项目搭建

.gitignore

+# Windows
+[Dd]esktop.ini
+Thumbs.db
+$RECYCLE.BIN/
+
+# macOS
+.DS_Store
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+
+# Node.js
+node_modules/

.idea/.gitignore

+# Default ignored files
+/workspace.xml
\ No newline at end of file

.idea/inspectionProfiles/profiles_settings.xml

+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="PROJECT_PROFILE" />
+  </settings>
+</component>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+</project>
\ No newline at end of file

.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/wandoutiyu.iml" filepath="$PROJECT_DIR$/.idea/wandoutiyu.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

.idea/wandoutiyu.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.tmp" />
+      <excludeFolder url="file://$MODULE_DIR$/temp" />
+      <excludeFolder url="file://$MODULE_DIR$/tmp" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file

app.js

+//app.js
+App({
+  onLaunch: function () {
+    // 展示本地存储能力
+    var logs = wx.getStorageSync('logs') || []
+    logs.unshift(Date.now())
+    wx.setStorageSync('logs', logs)
+
+    // 登录
+    wx.login({
+      success: res => {
+        // 发送 res.code 到后台换取 openId, sessionKey, unionId
+      }
+    })
+    // 获取用户信息
+    wx.getSetting({
+      success: res => {
+        if (res.authSetting['scope.userInfo']) {
+          // 已经授权，可以直接调用 getUserInfo 获取头像昵称，不会弹框
+          wx.getUserInfo({
+            success: res => {
+              // 可以将 res 发送给后台解码出 unionId
+              this.globalData.userInfo = res.userInfo
+
+              // 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
+              // 所以此处加入 callback 以防止这种情况
+              if (this.userInfoReadyCallback) {
+                this.userInfoReadyCallback(res)
+              }
+            }
+          })
+        }
+      }
+    })
+  },
+  globalData: {
+    userInfo: null
+  }
+})
\ No newline at end of file

app.json

+{
+  "pages":[
+    "pages/index/index",
+    "pages/class/class",
+    "pages/financial/financial",
+    "pages/personal/personal"
+  ],
+  "tabBar":{
+    "custom":false,
+    "color":"#919399",
+    "selectedColor":"#1A1A1A",
+    "borderStyle": "white",
+    "backgroundColor": "#fff",
+    "list": [
+      {
+        "pagePath": "pages/index/index",
+        "iconPath": "images/tab/home_icon_01_nor.png",
+        "selectedIconPath": "images/tab/home_icon_01_sel.png",
+        "text": "课表"
+      },
+      {
+        "pagePath": "pages/class/class",
+        "iconPath": "images/tab/home_icon_02_nor.png",
+        "selectedIconPath": "images/tab/home_icon_02_sel.png",
+        "text": "抢班"
+      },
+      {
+        "pagePath": "pages/financial/financial",
+        "iconPath": "images/tab/home_icon_03_nor.png",
+        "selectedIconPath": "images/tab/home_icon_03_sel.png",
+        "text": "财务 "
+      },
+      {
+        "pagePath": "pages/personal/personal",
+        "iconPath": "images/tab/home_icon_04_nor.png",
+        "selectedIconPath": "images/tab/home_icon_04_sel.png",
+        "text": "我的 "
+      }
+    ]
+  },
+  "window":{
+    "backgroundTextStyle":"light",
+    "navigationBarBackgroundColor": "#fff",
+    "navigationBarTitleText": "豌豆队长",
+    "navigationBarTextStyle":"black"
+  },
+  "style": "v2",
+  "sitemapLocation": "sitemap.json",
+  "permission": {
+    "scope.userLocation": {
+      "desc": "你的位置信息将用于定位"
+    }
+  },
+  "usingComponents": {
+    "van-icon": "components/vant/icon/index",
+    "van-action-sheet": "components/vant/action-sheet/index",
+    "van-count-down": "components/vant/count-down/index",
+    "van-field": "components/vant/field/index",
+    "van-radio": "components/vant/radio/index",
+    "van-radio-group": "components/vant/radio-group/index",
+    "van-picker": "components/vant/picker/index",
+    "van-tag": "components/vant/tag/index",
+    "van-image": "components/vant/image/index",
+    "van-popup": "components/vant/popup/index"
+  },
+  "plugins": {
+		"calendar": {
+			"version": "1.1.3",
+			"provider": "wx92c68dae5a8bb046"
+		}
+	}
+}

app.wxss

+@import "/wxParse/wxParse.wxss";
+@import './iconfont/iconfont.wxss';
+page{
+  font-size: 24rpx;
+  box-sizing: border-box;
+} 
+page::after{
+  content: '';
+  position: fixed;
+  left: 0;
+  bottom: 0;
+  width: 100%;
+  height: 2rpx;
+  background-color: rgba(0, 0, 0, 0.08);
+  box-shadow: 0px 2px 10px 0px rgba(0, 0, 0, 0.08);
+  z-index: 100;
+}
+view {
+  box-sizing: border-box;
+} 
+
+.row{
+  display: flex;
+  flex-direction: row;
+}
+.column{
+  display: flex;
+  flex-direction: column;
+}
+.overflow{
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+.greyItem{
+  width: 100%;
+  height: 20rpx;
+  background: #F8F6F9;
+}
+
+/* 空白页 */
+.noneBox{
+  padding: 140rpx 0 0;
+  align-items: center;
+  font-size: 28rpx;
+  color: #999;
+}
+.noneBox image{
+  width: 400rpx;
+  height: 400rpx;
+  margin-bottom: 30rpx;
+}
+
+/* 详情样式 */
+.desc .hellorich{
+  max-width: 100% !important;
+  display: block;
+  margin: 0 auto;
+}
+.helloVideo{
+  display: block;
+  max-width: 100% !important;
+  height: auto;
+  margin: 0 auto;
+}
+
+/* 绑定手机 */
+.telBox{
+  width: 500rpx;
+  height: 400rpx;
+  position: relative;
+}
+.van-popup{
+  border-radius: 10rpx!important;
+}
+.telClose{
+  position: absolute;
+  right: 40rpx;
+  top: 0;
+  z-index: 1;
+}
+.telBox .title{
+  text-align: center;
+  color: #1A1A1A;
+  font-size: 32rpx;
+  font-weight: bold;
+  margin: 50rpx 0 20rpx;
+}
+.telRow{
+  margin: 0 40rpx;
+  height: 100rpx;
+  align-items: center;  
+  justify-content: space-between;
+  border-bottom: 1rpx solid #EBEBEB;
+}
+.telRow input{
+  font-size: 28rpx;
+}
+.codeInp{
+  width: 200rpx;
+}
+.getBtn{
+  color: #9FAA4B;
+  font-size: 28rpx;
+}
+.telBox .confirmBtn{
+  width: 345rpx;
+  height: 70rpx;
+  line-height: 70rpx;
+  background: #9FAA4B;
+  border-radius:35rpx;
+  text-align: center;
+  font-size: 28rpx;
+  color: #fff;
+  margin: 35rpx auto 0;
+} 
+
+
+/*  */
+/* 一行 */ 
+.text-line-one {
+  overflow:hidden;
+  text-overflow:ellipsis;
+  -o-text-overflow:ellipsis;
+  -webkit-text-overflow:ellipsis;
+  -moz-text-overflow:ellipsis;
+  white-space:nowrap;
+}
+
+/* 两行 */ 
+.text-line-two {
+  word-break:break-all;
+  display:-webkit-box;
+  -webkit-line-clamp:2;
+  -webkit-box-orient:vertical;
+  overflow:hidden;
+  height: 85rpx;
+}
+
+.no-line {
+  border: none !important;
+}
+
+
+/* flex兼容性 */
+/* 父元素-横向排列（主轴） */
+.flex-h {
+  display: -webkit-box; /* OLD - iOS 6-, Safari 3.1-6 */
+  display: -moz-box; /* OLD - Firefox 19- (buggy but mostly works) */
+  display: -ms-flexbox; /* TWEENER - IE 10 */
+  display: -webkit-flex; /* NEW - Chrome */
+  display: flex; /* NEW, Spec - Opera 12.1, Firefox 20+ */
+  /* 09版 */
+  -webkit-box-orient: horizontal;
+  /* 12版 */
+  -webkit-flex-direction: row;
+  -moz-flex-direction: row;
+  -ms-flex-direction: row;
+  -o-flex-direction: row;
+  flex-direction: row;
+}
+/* 父元素-纵向排列（主轴） */
+.flex-v {
+  display: -webkit-box; /* OLD - iOS 6-, Safari 3.1-6 */
+  display: -moz-box; /* OLD - Firefox 19- (buggy but mostly works) */
+  display: -ms-flexbox; /* TWEENER - IE 10 */
+  display: -webkit-flex; /* NEW - Chrome */
+  display: flex; /* NEW, Spec - Opera 12.1, Firefox 20+ */
+  /* 09版 */
+  -webkit-box-orient: vertical;
+  /* 12版 */
+  -webkit-flex-direction: column;
+  -moz-flex-direction: column;
+  -ms-flex-direction: column;
+  -o-flex-direction: column;
+  flex-direction: column;
+}
+
+.flex-hr {
+  display: -webkit-box; /* OLD - iOS 6-, Safari 3.1-6 */
+  display: -moz-box; /* OLD - Firefox 19- (buggy but mostly works) */
+  display: -ms-flexbox; /* TWEENER - IE 10 */
+  display: -webkit-flex; /* NEW - Chrome */
+  display: flex; /* NEW, Spec - Opera 12.1, Firefox 20+ */
+  /* 09版 */
+  -webkit-box-orient: horizontal;
+  /* 12版 */
+  -webkit-flex-direction: row-reverse;
+  -moz-flex-direction: row-reverse;
+  -ms-flex-direction: row-reverse;
+  -o-flex-direction: row-reverse;
+  flex-direction: row-reverse;
+}
+
+.flex-hc {
+  -webkit-box-pack: center;
+  -webkit-justify-content: center;
+  -moz-justify-content: center;
+  -ms-justify-content: center;
+  -o-justify-content: center;
+  justify-content: center;
+}
+
+.flex-hb {
+  -webkit-box-pack: space-between;
+  -webkit-justify-content: space-between;
+  -moz-justify-content: space-between;
+  -ms-justify-content: space-between;
+  -o-justify-content: space-between;
+  justify-content: space-between;
+}
+
+.flex-ha {
+  -webkit-box-pack: space-around;
+  -webkit-justify-content: space-around;
+  -moz-justify-content: space-around;
+  -ms-justify-content: space-around;
+  -o-justify-content: space-around;
+  justify-content: space-around;
+}
+
+.flex-vc {
+  /* 09版 */
+  -webkit-box-align: center;
+  /* 12版 */
+  -webkit-align-items: center;
+  -moz-align-items: center;
+  -ms-align-items: center;
+  -o-align-items: center;
+  align-items: center;
+}
+
+/* 父元素-横向换行 */
+.flex-hw {
+  /* 09版 */
+  /*-webkit-box-lines: multiple;*/
+  /* 12版 */
+  -webkit-flex-wrap: wrap;
+  -moz-flex-wrap: wrap;
+  -ms-flex-wrap: wrap;
+  -o-flex-wrap: wrap;
+  flex-wrap: wrap;
+}

components/vant/action-sheet/index.d.ts

+export {};

components/vant/action-sheet/index.js

+import { VantComponent } from '../common/component';
+import { button } from '../mixins/button';
+import { openType } from '../mixins/open-type';
+VantComponent({
+    mixins: [button, openType],
+    props: {
+        show: Boolean,
+        title: String,
+        cancelText: String,
+        description: String,
+        round: {
+            type: Boolean,
+            value: true
+        },
+        zIndex: {
+            type: Number,
+            value: 100
+        },
+        actions: {
+            type: Array,
+            value: []
+        },
+        overlay: {
+            type: Boolean,
+            value: true
+        },
+        closeOnClickOverlay: {
+            type: Boolean,
+            value: true
+        },
+        closeOnClickAction: {
+            type: Boolean,
+            value: true
+        },
+        safeAreaInsetBottom: {
+            type: Boolean,
+            value: true
+        }
+    },
+    methods: {
+        onSelect(event) {
+            const { index } = event.currentTarget.dataset;
+            const item = this.data.actions[index];
+            if (item && !item.disabled && !item.loading) {
+                this.$emit('select', item);
+                if (this.data.closeOnClickAction) {
+                    this.onClose();
+                }
+            }
+        },
+        onCancel() {
+            this.$emit('cancel');
+        },
+        onClose() {
+            this.$emit('close');
+        },
+        onClickOverlay() {
+            this.$emit('click-overlay');
+            this.onClose();
+        }
+    }
+});

components/vant/action-sheet/index.json

+{
+  "component": true,
+  "usingComponents": {
+    "van-icon": "../icon/index",
+    "van-popup": "../popup/index",
+    "van-loading": "../loading/index"
+  }
+}

components/vant/action-sheet/index.wxml

+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<van-popup
+  show="{{ show }}"
+  position="bottom"
+  round="{{ round }}"
+  z-index="{{ zIndex }}"
+  overlay="{{ overlay }}"
+  custom-class="van-action-sheet"
+  safe-area-inset-bottom="{{ safeAreaInsetBottom }}"
+  close-on-click-overlay="{{ closeOnClickOverlay }}"
+  bind:close="onClickOverlay"
+>
+  <view wx:if="{{ title }}" class="van-hairline--bottom van-action-sheet__header">
+    {{ title }}
+    <van-icon
+      name="close"
+      custom-class="van-action-sheet__close"
+      bind:click="onClose"
+    />
+  </view>
+  <view wx:if="{{ description }}" class="van-action-sheet__description">
+    {{ description }}
+  </view>
+  <view wx:if="{{ actions && actions.length }}">
+    <!-- button外包一层view，防止actions动态变化，导致渲染时button被打散 -->
+    <button
+      wx:for="{{ actions }}"
+      wx:key="index"
+      open-type="{{ item.openType }}"
+      style="{{ item.color ? 'color: ' + item.color : '' }}"
+      class="{{ utils.bem('action-sheet__item', { disabled: item.disabled || item.loading }) }} van-hairline--top {{ item.className || '' }}"
+      hover-class="van-action-sheet__item--hover"
+      data-index="{{ index }}"
+      bind:tap="onSelect"
+      bindgetuserinfo="bindGetUserInfo"
+      bindcontact="bindContact"
+      bindgetphonenumber="bindGetPhoneNumber"
+      binderror="bindError"
+      bindlaunchapp="bindLaunchApp"
+      bindopensetting="bindOpenSetting"
+      lang="{{ lang }}"
+      session-from="{{ sessionFrom }}"
+      send-message-title="{{ sendMessageTitle }}"
+      send-message-path="{{ sendMessagePath }}"
+      send-message-img="{{ sendMessageImg }}"
+      show-message-card="{{ showMessageCard }}"
+      app-parameter="{{ appParameter }}"
+    >
+      <block wx:if="{{ !item.loading }}">
+        {{ item.name }}
+        <text wx:if="{{ item.subname }}" class="van-action-sheet__subname" >{{ item.subname }}</text>
+      </block>
+      <van-loading wx:else custom-class="van-action-sheet__loading" size="20px" />
+    </button>
+  </view>
+  <slot />
+  <view
+    wx:if="{{ cancelText }}"
+    class="van-action-sheet__cancel"
+    hover-class="van-action-sheet__cancel--hover"
+    hover-stay-time="70"
+    bind:tap="onCancel"
+  >
+    {{ cancelText }}
+  </view>
+</van-popup>

components/vant/action-sheet/index.wxss

+@import '../common/index.wxss';.van-action-sheet{max-height:90%!important;max-height:var(--action-sheet-max-height,90%)!important;color:#323233;color:var(--action-sheet-item-text-color,#323233)}.van-action-sheet__cancel,.van-action-sheet__item{text-align:center;font-size:16px;font-size:var(--action-sheet-item-font-size,16px);line-height:50px;line-height:var(--action-sheet-item-height,50px);background-color:#fff;background-color:var(--action-sheet-item-background,#fff)}.van-action-sheet__cancel--hover,.van-action-sheet__item--hover{background-color:#f2f3f5;background-color:var(--active-color,#f2f3f5)}.van-action-sheet__cancel:before{display:block;content:" ";height:8px;height:var(--action-sheet-cancel-padding-top,8px);background-color:#f7f8fa;background-color:var(--action-sheet-cancel-padding-color,#f7f8fa)}.van-action-sheet__item--disabled{color:#c8c9cc;color:var(--action-sheet-item-disabled-text-color,#c8c9cc)}.van-action-sheet__item--disabled.van-action-sheet__item--hover{background-color:#fff;background-color:var(--action-sheet-item-background,#fff)}.van-action-sheet__subname{margin-left:4px;margin-left:var(--padding-base,4px);font-size:12px;font-size:var(--action-sheet-subname-font-size,12px);color:#646566;color:var(--action-sheet-subname-color,#646566)}.van-action-sheet__header{text-align:center;font-weight:500;font-weight:var(--font-weight-bold,500);font-size:16px;font-size:var(--action-sheet-header-font-size,16px);line-height:44px;line-height:var(--action-sheet-header-height,44px)}.van-action-sheet__description{text-align:center;padding:16px;padding:var(--padding-md,16px);color:#646566;color:var(--action-sheet-description-color,#646566);font-size:14px;font-size:var(--action-sheet-description-font-size,14px);line-height:20px;line-height:var(--action-sheet-description-line-height,20px)}.van-action-sheet__close{position:absolute!important;top:0;right:0;line-height:inherit!important;padding:0 12px;padding:var(--action-sheet-close-icon-padding,0 12px);font-size:18px!important;font-size:var(--action-sheet-close-icon-size,18px)!important;color:#969799;color:var(--action-sheet-close-icon-color,#969799)}.van-action-sheet__loading{display:-webkit-flex!important;display:flex!important;height:50px;height:var(--action-sheet-item-height,50px)}
\ No newline at end of file

components/vant/cell/index.d.ts

+export {};

components/vant/cell/index.js

+import { link } from '../mixins/link';
+import { VantComponent } from '../common/component';
+VantComponent({
+    classes: [
+        'title-class',
+        'label-class',
+        'value-class',
+        'right-icon-class',
+        'hover-class'
+    ],
+    mixins: [link],
+    props: {
+        title: null,
+        value: null,
+        icon: String,
+        size: String,
+        label: String,
+        center: Boolean,
+        isLink: Boolean,
+        required: Boolean,
+        clickable: Boolean,
+        titleWidth: String,
+        customStyle: String,
+        arrowDirection: String,
+        useLabelSlot: Boolean,
+        border: {
+            type: Boolean,
+            value: true
+        }
+    },
+    methods: {
+        onClick(event) {
+            this.$emit('click', event.detail);
+            this.jumpLink();
+        }
+    }
+});

components/vant/cell/index.json

+{
+  "component": true,
+  "usingComponents": {
+    "van-icon": "../icon/index"
+  }
+}
\ No newline at end of file

components/vant/cell/index.wxml

+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<view
+  class="custom-class {{ utils.bem('cell', [size, { center, required, borderless: !border, clickable: isLink || clickable }]) }}"
+  hover-class="van-cell--hover hover-class"
+  hover-stay-time="70"
+  style="{{ customStyle }}"
+  bind:tap="onClick"
+>
+  <van-icon
+    wx:if="{{ icon }}"
+    name="{{ icon }}"
+    class="van-cell__left-icon-wrap"
+    custom-class="van-cell__left-icon"
+  />
+  <slot wx:else name="icon" />
+
+  <view
+    style="{{ titleWidth ? 'max-width:' + titleWidth + ';min-width:' + titleWidth : '' }}"
+    class="van-cell__title title-class"
+  >
+    <block wx:if="{{ title }}">{{ title }}</block>
+    <slot wx:else name="title" />
+
+    <view wx:if="{{ label || useLabelSlot }}" class="van-cell__label label-class">
+      <slot wx:if="{{ useLabelSlot }}" name="label" />
+      <block wx:elif="{{ label }}">{{ label }}</block>
+    </view>
+  </view>
+
+  <view class="van-cell__value value-class">
+    <block wx:if="{{ value || value === 0 }}">{{ value }}</block>
+    <slot wx:else />
+  </view>
+
+  <van-icon
+    wx:if="{{ isLink }}"
+    name="{{ arrowDirection ? 'arrow' + '-' + arrowDirection : 'arrow' }}"
+    class="van-cell__right-icon-wrap right-icon-class"
+    custom-class="van-cell__right-icon"
+  />
+  <slot wx:else name="right-icon" />
+
+  <slot name="extra" />
+</view>

components/vant/cell/index.wxss

+@import '../common/index.wxss';.van-cell{position:relative;display:-webkit-flex;display:flex;box-sizing:border-box;width:100%;padding:10px 16px;padding:var(--cell-vertical-padding,10px) var(--cell-horizontal-padding,16px);font-size:14px;font-size:var(--cell-font-size,14px);line-height:24px;line-height:var(--cell-line-height,24px);color:#323233;color:var(--cell-text-color,#323233);background-color:#fff;background-color:var(--cell-background-color,#fff)}.van-cell:after{position:absolute;box-sizing:border-box;-webkit-transform-origin:center;transform-origin:center;content:" ";pointer-events:none;top:auto;right:0;bottom:0;left:16px;border-bottom:1px solid #ebedf0;-webkit-transform:scaleY(.5);transform:scaleY(.5)}.van-cell--borderless:after{display:none}.van-cell-group{background-color:#fff;background-color:var(--cell-background-color,#fff)}.van-cell__label{margin-top:3px;margin-top:var(--cell-label-margin-top,3px);font-size:12px;font-size:var(--cell-label-font-size,12px);line-height:18px;line-height:var(--cell-label-line-height,18px);color:#969799;color:var(--cell-label-color,#969799)}.van-cell__value{overflow:hidden;text-align:right;vertical-align:middle;color:#969799;color:var(--cell-value-color,#969799)}.van-cell__title,.van-cell__value{-webkit-flex:1;flex:1}.van-cell__title:empty,.van-cell__value:empty{display:none}.van-cell__left-icon-wrap,.van-cell__right-icon-wrap{display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center;height:24px;height:var(--cell-line-height,24px);font-size:16px;font-size:var(--cell-icon-size,16px)}.van-cell__left-icon-wrap{margin-right:5px}.van-cell__right-icon-wrap{margin-left:5px;color:#969799;color:var(--cell-right-icon-color,#969799)}.van-cell__left-icon{vertical-align:middle}.van-cell__left-icon,.van-cell__right-icon{line-height:24px;line-height:var(--cell-line-height,24px)}.van-cell--clickable.van-cell--hover{background-color:#f2f3f5;background-color:var(--cell-active-color,#f2f3f5)}.van-cell--required{overflow:visible}.van-cell--required:before{position:absolute;content:"*";left:8px;left:var(--padding-xs,8px);font-size:14px;font-size:var(--cell-font-size,14px);color:#ee0a24;color:var(--cell-required-color,#ee0a24)}.van-cell--center{-webkit-align-items:center;align-items:center}.van-cell--large{padding-top:12px;padding-top:var(--cell-large-vertical-padding,12px);padding-bottom:12px;padding-bottom:var(--cell-large-vertical-padding,12px)}.van-cell--large .van-cell__title{font-size:16px;font-size:var(--cell-large-title-font-size,16px)}.van-cell--large .van-cell__label{font-size:14px;font-size:var(--cell-large-label-font-size,14px)}
\ No newline at end of file

components/vant/common/color.d.ts

+export declare const RED = "#ee0a24";
+export declare const BLUE = "#1989fa";
+export declare const WHITE = "#fff";
+export declare const GREEN = "#07c160";
+export declare const ORANGE = "#ff976a";
+export declare const GRAY = "#323233";
+export declare const GRAY_DARK = "#969799";

components/vant/common/color.js

+export const RED = '#ee0a24';
+export const BLUE = '#1989fa';
+export const WHITE = '#fff';
+export const GREEN = '#07c160';
+export const ORANGE = '#ff976a';
+export const GRAY = '#323233';
+export const GRAY_DARK = '#969799';

components/vant/common/component.d.ts

+import { VantComponentOptions, CombinedComponentInstance } from '../definitions/index';
+declare function VantComponent<Data, Props, Methods>(vantOptions?: VantComponentOptions<Data, Props, Methods, CombinedComponentInstance<Data, Props, Methods>>): void;
+export { VantComponent };

components/vant/common/component.js

+import { basic } from '../mixins/basic';
+const relationFunctions = {
+    ancestor: {
+        linked(parent) {
+            this.parent = parent;
+        },
+        unlinked() {
+            this.parent = null;
+        },
+    },
+    descendant: {
+        linked(child) {
+            this.children = this.children || [];
+            this.children.push(child);
+        },
+        unlinked(child) {
+            this.children = (this.children || []).filter(it => it !== child);
+        },
+    },
+};
+function mapKeys(source, target, map) {
+    Object.keys(map).forEach(key => {
+        if (source[key]) {
+            target[map[key]] = source[key];
+        }
+    });
+}
+function makeRelation(options, vantOptions, relation) {
+    const { type, name, linked, unlinked, linkChanged } = relation;
+    const { beforeCreate, destroyed } = vantOptions;
+    if (type === 'descendant') {
+        options.created = function () {
+            beforeCreate && beforeCreate.bind(this)();
+            this.children = this.children || [];
+        };
+        options.detached = function () {
+            this.children = [];
+            destroyed && destroyed.bind(this)();
+        };
+    }
+    options.relations = Object.assign(options.relations || {}, {
+        [`../${name}/index`]: {
+            type,
+            linked(node) {
+                relationFunctions[type].linked.bind(this)(node);
+                linked && linked.bind(this)(node);
+            },
+            linkChanged(node) {
+                linkChanged && linkChanged.bind(this)(node);
+            },
+            unlinked(node) {
+                relationFunctions[type].unlinked.bind(this)(node);
+                unlinked && unlinked.bind(this)(node);
+            },
+        }
+    });
+}
+function VantComponent(vantOptions = {}) {
+    const options = {};
+    mapKeys(vantOptions, options, {
+        data: 'data',
+        props: 'properties',
+        mixins: 'behaviors',
+        methods: 'methods',
+        beforeCreate: 'created',
+        created: 'attached',
+        mounted: 'ready',
+        relations: 'relations',
+        destroyed: 'detached',
+        classes: 'externalClasses'
+    });
+    const { relation } = vantOptions;
+    if (relation) {
+        makeRelation(options, vantOptions, relation);
+    }
+    // add default externalClasses
+    options.externalClasses = options.externalClasses || [];
+    options.externalClasses.push('custom-class');
+    // add default behaviors
+    options.behaviors = options.behaviors || [];
+    options.behaviors.push(basic);
+    // map field to form-field behavior
+    if (vantOptions.field) {
+        options.behaviors.push('wx://form-field');
+    }
+    // add default options
+    options.options = {
+        multipleSlots: true,
+        addGlobalClass: true
+    };
+    Component(options);
+}
+export { VantComponent };

components/vant/common/index.wxss

+.van-ellipsis{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.van-multi-ellipsis--l2{-webkit-line-clamp:2}.van-multi-ellipsis--l2,.van-multi-ellipsis--l3{display:-webkit-box;overflow:hidden;text-overflow:ellipsis;-webkit-box-orient:vertical}.van-multi-ellipsis--l3{-webkit-line-clamp:3}.van-clearfix:after{display:table;clear:both;content:""}.van-hairline,.van-hairline--bottom,.van-hairline--left,.van-hairline--right,.van-hairline--surround,.van-hairline--top,.van-hairline--top-bottom{position:relative}.van-hairline--bottom:after,.van-hairline--left:after,.van-hairline--right:after,.van-hairline--surround:after,.van-hairline--top-bottom:after,.van-hairline--top:after,.van-hairline:after{position:absolute;box-sizing:border-box;-webkit-transform-origin:center;transform-origin:center;content:" ";pointer-events:none;top:-50%;right:-50%;bottom:-50%;left:-50%;border:0 solid #eee;-webkit-transform:scale(.5);transform:scale(.5)}.van-hairline--top:after{border-top-width:1px}.van-hairline--left:after{border-left-width:1px}.van-hairline--right:after{border-right-width:1px}.van-hairline--bottom:after{border-bottom-width:1px}.van-hairline--top-bottom:after{border-width:1px 0}.van-hairline--surround:after{border-width:1px}
\ No newline at end of file

components/vant/common/style/clearfix.wxss

+.van-clearfix:after{display:table;clear:both;content:""}
\ No newline at end of file

components/vant/common/style/ellipsis.wxss

+.van-ellipsis{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.van-multi-ellipsis--l2{-webkit-line-clamp:2}.van-multi-ellipsis--l2,.van-multi-ellipsis--l3{display:-webkit-box;overflow:hidden;text-overflow:ellipsis;-webkit-box-orient:vertical}.van-multi-ellipsis--l3{-webkit-line-clamp:3}
\ No newline at end of file

components/vant/common/style/hairline.wxss

+.van-hairline,.van-hairline--bottom,.van-hairline--left,.van-hairline--right,.van-hairline--surround,.van-hairline--top,.van-hairline--top-bottom{position:relative}.van-hairline--bottom:after,.van-hairline--left:after,.van-hairline--right:after,.van-hairline--surround:after,.van-hairline--top-bottom:after,.van-hairline--top:after,.van-hairline:after{position:absolute;box-sizing:border-box;-webkit-transform-origin:center;transform-origin:center;content:" ";pointer-events:none;top:-50%;right:-50%;bottom:-50%;left:-50%;border:0 solid #eee;-webkit-transform:scale(.5);transform:scale(.5)}.van-hairline--top:after{border-top-width:1px}.van-hairline--left:after{border-left-width:1px}.van-hairline--right:after{border-right-width:1px}.van-hairline--bottom:after{border-bottom-width:1px}.van-hairline--top-bottom:after{border-width:1px 0}.van-hairline--surround:after{border-width:1px}
\ No newline at end of file

components/vant/common/utils.d.ts

+/// <reference types="miniprogram-api-typings" />
+export declare function isDef(value: any): boolean;
+export declare function isObj(x: any): boolean;
+export declare function isNumber(value: any): boolean;
+export declare function range(num: number, min: number, max: number): number;
+export declare function nextTick(fn: Function): void;
+export declare function getSystemInfoSync(): WechatMiniprogram.GetSystemInfoSuccessCallbackResult;
+export declare function addUnit(value?: string | number): string | undefined;

components/vant/common/utils.js

+export function isDef(value) {
+    return value !== undefined && value !== null;
+}
+export function isObj(x) {
+    const type = typeof x;
+    return x !== null && (type === 'object' || type === 'function');
+}
+export function isNumber(value) {
+    return /^\d+(\.\d+)?$/.test(value);
+}
+export function range(num, min, max) {
+    return Math.min(Math.max(num, min), max);
+}
+export function nextTick(fn) {
+    setTimeout(() => {
+        fn();
+    }, 1000 / 30);
+}
+let systemInfo = null;
+export function getSystemInfoSync() {
+    if (systemInfo == null) {
+        systemInfo = wx.getSystemInfoSync();
+    }
+    return systemInfo;
+}
+export function addUnit(value) {
+    if (!isDef(value)) {
+        return undefined;
+    }
+    value = String(value);
+    return isNumber(value) ? `${value}px` : value;
+}

components/vant/count-down/index.d.ts

+export {};

components/vant/count-down/index.js

+import { VantComponent } from '../common/component';
+import { isSameSecond, parseFormat, parseTimeData } from './utils';
+function simpleTick(fn) {
+    return setTimeout(fn, 30);
+}
+VantComponent({
+    props: {
+        useSlot: Boolean,
+        millisecond: Boolean,
+        time: {
+            type: Number,
+            observer: 'reset'
+        },
+        format: {
+            type: String,
+            value: 'HH:mm:ss'
+        },
+        autoStart: {
+            type: Boolean,
+            value: true
+        }
+    },
+    data: {
+        timeData: parseTimeData(0),
+        formattedTime: '0'
+    },
+    destroyed() {
+        clearTimeout(this.tid);
+        this.tid = null;
+    },
+    methods: {
+        // 开始
+        start() {
+            if (this.counting) {
+                return;
+            }
+            this.counting = true;
+            this.endTime = Date.now() + this.remain;
+            this.tick();
+        },
+        // 暂停
+        pause() {
+            this.counting = false;
+            clearTimeout(this.tid);
+        },
+        // 重置
+        reset() {
+            this.pause();
+            this.remain = this.data.time;
+            this.setRemain(this.remain);
+            if (this.data.autoStart) {
+                this.start();
+            }
+        },
+        tick() {
+            if (this.data.millisecond) {
+                this.microTick();
+            }
+            else {
+                this.macroTick();
+            }
+        },
+        microTick() {
+            this.tid = simpleTick(() => {
+                this.setRemain(this.getRemain());
+                if (this.remain !== 0) {
+                    this.microTick();
+                }
+            });
+        },
+        macroTick() {
+            this.tid = simpleTick(() => {
+                const remain = this.getRemain();
+                if (!isSameSecond(remain, this.remain) || remain === 0) {
+                    this.setRemain(remain);
+                }
+                if (this.remain !== 0) {
+                    this.macroTick();
+                }
+            });
+        },
+        getRemain() {
+            return Math.max(this.endTime - Date.now(), 0);
+        },
+        setRemain(remain) {
+            this.remain = remain;
+            const timeData = parseTimeData(remain);
+            if (this.data.useSlot) {
+                this.$emit('change', timeData);
+            }
+            this.setData({
+                formattedTime: parseFormat(this.data.format, timeData)
+            });
+            if (remain === 0) {
+                this.pause();
+                this.$emit('finish');
+            }
+        }
+    }
+});

components/vant/count-down/index.json

+{
+  "component": true
+}

components/vant/count-down/index.wxml

+<view class="van-count-down">
+  <slot wx:if="{{ useSlot }}"/>
+  <block wx:else>{{ formattedTime }}</block>
+</view>

components/vant/count-down/index.wxss

+@import '../common/index.wxss';.van-count-down{color:#323233;color:var(--count-down-text-color,#323233);font-size:14px;font-size:var(--count-down-font-size,14px);line-height:20px;line-height:var(--count-down-line-height,20px)}
\ No newline at end of file

components/vant/count-down/utils.d.ts

+export declare type TimeData = {
+    days: number;
+    hours: number;
+    minutes: number;
+    seconds: number;
+    milliseconds: number;
+};
+export declare function parseTimeData(time: number): TimeData;
+export declare function parseFormat(format: string, timeData: TimeData): string;
+export declare function isSameSecond(time1: number, time2: number): boolean;

components/vant/count-down/utils.js

+function padZero(num, targetLength = 2) {
+    let str = num + '';
+    while (str.length < targetLength) {
+        str = '0' + str;
+    }
+    return str;
+}
+const SECOND = 1000;
+const MINUTE = 60 * SECOND;
+const HOUR = 60 * MINUTE;
+const DAY = 24 * HOUR;
+export function parseTimeData(time) {
+    const days = Math.floor(time / DAY);
+    const hours = Math.floor((time % DAY) / HOUR);
+    const minutes = Math.floor((time % HOUR) / MINUTE);
+    const seconds = Math.floor((time % MINUTE) / SECOND);
+    const milliseconds = Math.floor(time % SECOND);
+    return {
+        days,
+        hours,
+        minutes,
+        seconds,
+        milliseconds
+    };
+}
+export function parseFormat(format, timeData) {
+    const { days } = timeData;
+    let { hours, minutes, seconds, milliseconds } = timeData;
+    if (format.indexOf('DD') === -1) {
+        hours += days * 24;
+    }
+    else {
+        format = format.replace('DD', padZero(days));
+    }
+    if (format.indexOf('HH') === -1) {
+        minutes += hours * 60;
+    }
+    else {
+        format = format.replace('HH', padZero(hours));
+    }
+    if (format.indexOf('mm') === -1) {
+        seconds += minutes * 60;
+    }
+    else {
+        format = format.replace('mm', padZero(minutes));
+    }
+    if (format.indexOf('ss') === -1) {
+        milliseconds += seconds * 1000;
+    }
+    else {
+        format = format.replace('ss', padZero(seconds));
+    }
+    return format.replace('SSS', padZero(milliseconds, 3));
+}
+export function isSameSecond(time1, time2) {
+    return Math.floor(time1 / 1000) === Math.floor(time2 / 1000);
+}

components/vant/dropdown-item/index.d.ts

+export {};

components/vant/dropdown-item/index.js

+import { VantComponent } from '../common/component';
+VantComponent({
+  field: true,
+  relation: {
+    name: 'dropdown-menu',
+    type: 'ancestor',
+    current: 'dropdown-item',
+    linked() {
+      this.updateDataFromParent();
+    },
+  },
+  props: {
+    value: {
+      type: null,
+      observer: 'rerender',
+    },
+    title: {
+      type: String,
+      observer: 'rerender',
+    },
+    disabled: Boolean,
+    titleClass: {
+      type: String,
+      observer: 'rerender',
+    },
+    options: {
+      type: Array,
+      value: [],
+      observer: 'rerender',
+    },
+    popupStyle: String,
+  },
+  data: {
+    transition: true,
+    showPopup: false,
+    showWrapper: false,
+    displayTitle: '',
+  },
+  methods: {
+    rerender() {
+      wx.nextTick(() => {
+        this.parent && this.parent.updateItemListData();
+      });
+    },
+    updateDataFromParent() {
+      if (this.parent) {
+        const {
+          overlay,
+          duration,
+          activeColor,
+          closeOnClickOverlay,
+          direction,
+        } = this.parent.data;
+        this.setData({
+          overlay,
+          duration,
+          activeColor,
+          closeOnClickOverlay,
+          direction,
+        });
+      }
+    },
+    onOpen() {
+      this.$emit('open');
+    },
+    onOpened() {
+      this.$emit('opened');
+    },
+    onClose() {
+      this.$emit('close');
+    },
+    onClosed() {
+      this.$emit('closed');
+      this.setData({ showWrapper: false });
+    },
+    onOptionTap(event) {
+      const { option } = event.currentTarget.dataset;
+      const { value } = option;
+      const shouldEmitChange = this.data.value !== value;
+      this.setData({ showPopup: false, value });
+      this.$emit('close');
+      this.rerender();
+      if (shouldEmitChange) {
+        this.$emit('change', value);
+      }
+    },
+    toggle(show, options = {}) {
+      const { showPopup } = this.data;
+      if (typeof show !== 'boolean') {
+        show = !showPopup;
+      }
+      if (show === showPopup) {
+        return;
+      }
+      this.setData({
+        transition: !options.immediate,
+        showPopup: show,
+      });
+      if (show) {
+        this.parent.getChildWrapperStyle().then((wrapperStyle) => {
+          this.setData({ wrapperStyle, showWrapper: true });
+          this.rerender();
+        });
+      } else {
+        this.rerender();
+      }
+    },
+  },
+});

components/vant/dropdown-item/index.json

+{
+  "component": true,
+  "usingComponents": {
+    "van-popup": "../popup/index",
+    "van-cell": "../cell/index",
+    "van-icon": "../icon/index"
+  }
+}

components/vant/dropdown-item/index.wxml

+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<view
+  wx:if="{{ showWrapper }}"
+  class="{{ utils.bem('dropdown-item', direction) }}"
+  style="{{ wrapperStyle }}"
+>
+  <van-popup
+    show="{{ showPopup }}"
+    custom-style="position: absolute;{{ popupStyle }}"
+    overlay-style="position: absolute;"
+    overlay="{{ overlay }}"
+    position="{{ direction === 'down' ? 'top' : 'bottom' }}"
+    duration="{{ transition ? duration : 0 }}"
+    close-on-click-overlay="{{ closeOnClickOverlay }}"
+    bind:enter="onOpen"
+    bind:leave="onClose"
+    bind:close="toggle"
+    bind:after-enter="onOpened"
+    bind:after-leave="onClosed"
+  >
+    <van-cell
+      wx:for="{{ options }}"
+      wx:key="value"
+      data-option="{{ item }}"
+      class="{{ utils.bem('dropdown-item__option', { active: item.value === value } ) }}"
+      clickable
+      icon="{{ item.icon }}"
+      bind:tap="onOptionTap"
+    >
+      <view
+        slot="title"
+        class="van-dropdown-item__title"
+        style="{{ item.value === value  ? 'color:' + activeColor : '' }}"
+      >
+        {{ item.text }}
+      </view>
+      <van-icon
+        wx:if="{{ item.value === value }}"
+        name="success"
+        class="van-dropdown-item__icon"
+        color="{{ activeColor }}"
+      />
+    </van-cell>
+
+    <slot />
+  </van-popup>
+</view>

components/vant/dropdown-item/index.wxss

+@import '../common/index.wxss';.van-dropdown-item{position:fixed;right:0;left:0;overflow:hidden}.van-dropdown-item__option{text-align:left}.van-dropdown-item__option--active .van-dropdown-item__icon,.van-dropdown-item__option--active .van-dropdown-item__title{color:#1989fa;color:var(--dropdown-menu-option-active-color,#1989fa)}.van-dropdown-item--up{top:0}.van-dropdown-item--down{bottom:0}.van-dropdown-item__icon{display:block;line-height:inherit}
\ No newline at end of file

components/vant/dropdown-menu/index.d.ts

+export {};

components/vant/dropdown-menu/index.js

+import { VantComponent } from '../common/component';
+import { addUnit } from '../common/utils';
+let ARRAY = [];
+VantComponent({
+  field: true,
+  relation: {
+    name: 'dropdown-item',
+    type: 'descendant',
+    current: 'dropdown-menu',
+    linked() {
+      this.updateItemListData();
+    },
+    unlinked() {
+      this.updateItemListData();
+    },
+  },
+  props: {
+    activeColor: {
+      type: String,
+      observer: 'updateChildrenData',
+    },
+    overlay: {
+      type: Boolean,
+      value: true,
+      observer: 'updateChildrenData',
+    },
+    zIndex: {
+      type: Number,
+      value: 10,
+    },
+    duration: {
+      type: Number,
+      value: 200,
+      observer: 'updateChildrenData',
+    },
+    direction: {
+      type: String,
+      value: 'down',
+      observer: 'updateChildrenData',
+    },
+    closeOnClickOverlay: {
+      type: Boolean,
+      value: true,
+      observer: 'updateChildrenData',
+    },
+    closeOnClickOutside: {
+      type: Boolean,
+      value: true,
+    },
+  },
+  data: {
+    itemListData: [],
+  },
+  beforeCreate() {
+    const { windowHeight } = wx.getSystemInfoSync();
+    this.windowHeight = windowHeight;
+    ARRAY.push(this);
+  },
+  destroyed() {
+    ARRAY = ARRAY.filter((item) => item !== this);
+  },
+  methods: {
+    updateItemListData() {
+      this.setData({
+        itemListData: this.children.map((child) => child.data),
+      });
+    },
+    updateChildrenData() {
+      this.children.forEach((child) => {
+        child.updateDataFromParent();
+      });
+    },
+    toggleItem(active) {
+      this.children.forEach((item, index) => {
+        const { showPopup } = item.data;
+        if (index === active) {
+          item.toggle();
+        } else if (showPopup) {
+          item.toggle(false, { immediate: true });
+        }
+      });
+    },
+    close() {
+      this.children.forEach((child) => {
+        child.toggle(false, { immediate: true });
+      });
+    },
+    getChildWrapperStyle() {
+      const { zIndex, direction } = this.data;
+      return this.getRect('.van-dropdown-menu').then((rect) => {
+        const { top = 0, bottom = 0 } = rect;
+        const offset = direction === 'down' ? bottom : this.windowHeight - top;
+        let wrapperStyle = `z-index: ${zIndex};`;
+        if (direction === 'down') {
+          wrapperStyle += `top: ${addUnit(offset)};`;
+        } else {
+          wrapperStyle += `bottom: ${addUnit(offset)};`;
+        }
+        return wrapperStyle;
+      });
+    },
+    onTitleTap(event) {
+      const { index } = event.currentTarget.dataset;
+      const child = this.children[index];
+      if (!child.data.disabled) {
+        ARRAY.forEach((menuItem) => {
+          if (
+            menuItem &&
+            menuItem.data.closeOnClickOutside &&
+            menuItem !== this
+          ) {
+            menuItem.close();
+          }
+        });
+        this.toggleItem(index);
+      }
+    },
+  },
+});

components/vant/dropdown-menu/index.json

+{
+  "component": true
+}

components/vant/dropdown-menu/index.wxml

+<wxs src="../wxs/utils.wxs" module="utils" />
+<wxs src="./index.wxs" module="computed" />
+
+<view class="van-dropdown-menu van-dropdown-menu--top-bottom">
+  <view
+    wx:for="{{ itemListData }}"
+    wx:key="index"
+    data-index="{{ index }}"
+    class="{{ utils.bem('dropdown-menu__item', { disabled: item.disabled }) }}"
+    bind:tap="onTitleTap"
+  >
+    <view
+      class="{{ item.titleClass }} {{ utils.bem('dropdown-menu__title', { active: item.showPopup, down: item.showPopup === (direction === 'down') }) }}"
+      style="{{ item.showPopup ? 'color:' + activeColor : '' }}"
+    >
+      <view class="van-ellipsis">
+        {{ computed.displayTitle(item) }}
+      </view>
+    </view>
+  </view>
+
+  <slot />
+</view>

components/vant/dropdown-menu/index.wxs

+/* eslint-disable */
+function displayTitle(item) {
+  if (item.title) {
+    return item.title;
+  }
+
+  var match = item.options.filter(function(option) {
+    return option.value === item.value;
+  });
+  var displayTitle = match.length ? match[0].text : '';
+  return displayTitle;
+}
+
+module.exports = {
+  displayTitle: displayTitle
+};

components/vant/dropdown-menu/index.wxss

+@import '../common/index.wxss';.van-dropdown-menu{display:-webkit-flex;display:flex;-webkit-user-select:none;user-select:none;height:50px;height:var(--dropdown-menu-height,50px);background-color:#fff;background-color:var(--dropdown-menu-background-color,#fff)}.van-dropdown-menu__item{display:-webkit-flex;display:flex;-webkit-flex:1;flex:1;-webkit-align-items:center;align-items:center;-webkit-justify-content:center;justify-content:center;min-width:0}.van-dropdown-menu__item:active{opacity:.7}.van-dropdown-menu__item--disabled:active{opacity:1}.van-dropdown-menu__item--disabled .van-dropdown-menu__title{color:#969799;color:var(--dropdown-menu-title-disabled-text-color,#969799)}.van-dropdown-menu__title{position:relative;box-sizing:border-box;max-width:100%;padding:0 8px;padding:var(--dropdown-menu-title-padding,0 8px);color:#323233;color:var(--dropdown-menu-title-text-color,#323233);font-size:15px;font-size:var(--dropdown-menu-title-font-size,15px);line-height:18px;line-height:var(--dropdown-menu-title-line-height,18px)}.van-dropdown-menu__title:after{position:absolute;top:50%;right:-4px;margin-top:-5px;border-color:transparent transparent currentcolor currentcolor;border-style:solid;border-width:3px;-webkit-transform:rotate(-45deg);transform:rotate(-45deg);opacity:.8;content:""}.van-dropdown-menu__title--active{color:#1989fa;color:var(--dropdown-menu-title-active-text-color,#1989fa)}.van-dropdown-menu__title--down:after{margin-top:-1px;-webkit-transform:rotate(135deg);transform:rotate(135deg)}
\ No newline at end of file

components/vant/field/index.d.ts

+export {};

components/vant/field/index.js

+import { VantComponent } from '../common/component';
+import { getSystemInfoSync } from '../common/utils';
+VantComponent({
+    field: true,
+    classes: ['input-class', 'right-icon-class'],
+    props: {
+        size: String,
+        icon: String,
+        label: String,
+        error: Boolean,
+        fixed: Boolean,
+        focus: Boolean,
+        center: Boolean,
+        isLink: Boolean,
+        leftIcon: String,
+        rightIcon: String,
+        disabled: Boolean,
+        autosize: Boolean,
+        readonly: Boolean,
+        required: Boolean,
+        password: Boolean,
+        iconClass: String,
+        clearable: Boolean,
+        clickable: Boolean,
+        inputAlign: String,
+        placeholder: String,
+        customStyle: String,
+        confirmType: String,
+        confirmHold: Boolean,
+        holdKeyboard: Boolean,
+        errorMessage: String,
+        arrowDirection: String,
+        placeholderStyle: String,
+        errorMessageAlign: String,
+        selectionEnd: {
+            type: Number,
+            value: -1
+        },
+        selectionStart: {
+            type: Number,
+            value: -1
+        },
+        showConfirmBar: {
+            type: Boolean,
+            value: true
+        },
+        adjustPosition: {
+            type: Boolean,
+            value: true
+        },
+        cursorSpacing: {
+            type: Number,
+            value: 50
+        },
+        maxlength: {
+            type: Number,
+            value: -1
+        },
+        type: {
+            type: String,
+            value: 'text'
+        },
+        border: {
+            type: Boolean,
+            value: true
+        },
+        titleWidth: {
+            type: String,
+            value: '90px'
+        }
+    },
+    data: {
+        focused: false,
+        system: getSystemInfoSync().system.split(' ').shift().toLowerCase()
+    },
+    methods: {
+        onInput(event) {
+            const { value = '' } = event.detail || {};
+            this.setData({ value });
+            wx.nextTick(() => {
+                this.emitChange(value);
+            });
+        },
+        onFocus(event) {
+            this.setData({ focused: true });
+            this.$emit('focus', event.detail);
+        },
+        onBlur(event) {
+            this.setData({ focused: false });
+            this.$emit('blur', event.detail);
+        },
+        onClickIcon() {
+            this.$emit('click-icon');
+        },
+        onClear() {
+            this.setData({ value: '' });
+            wx.nextTick(() => {
+                this.emitChange('');
+                this.$emit('clear', '');
+            });
+        },
+        onConfirm() {
+            this.$emit('confirm', this.data.value);
+        },
+        emitChange(value) {
+            this.$emit('input', value);
+            this.$emit('change', value);
+        },
+        noop() { }
+    }
+});

components/vant/field/index.json

+{
+  "component": true,
+  "usingComponents": {
+    "van-cell": "../cell/index",
+    "van-icon": "../icon/index"
+  }
+}
\ No newline at end of file

components/vant/field/index.wxml

+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<van-cell
+  size="{{ size }}"
+  icon="{{ leftIcon }}"
+  title="{{ label }}"
+  center="{{ center }}"
+  border="{{ border }}"
+  is-link="{{ isLink }}"
+  required="{{ required }}"
+  clickable="{{ clickable }}"
+  title-width="{{ titleWidth }}"
+  custom-style="{{ customStyle }}"
+  arrow-direction="{{ arrowDirection }}"
+  custom-class="van-field"
+>
+  <slot name="left-icon" slot="icon" />
+  <slot name="label" slot="title" />
+  <view class="{{ utils.bem('field__body', [type, system]) }}">
+    <textarea
+      wx:if="{{ type === 'textarea' }}"
+      class="input-class {{ utils.bem('field__input', [inputAlign, type, { disabled, error }]) }}"
+      fixed="{{ fixed }}"
+      focus="{{ focus }}"
+      value="{{ value }}"
+      disabled="{{ disabled || readonly }}"
+      maxlength="{{ maxlength }}"
+      placeholder="{{ placeholder }}"
+      placeholder-style="{{ placeholderStyle }}"
+      placeholder-class="{{ utils.bem('field__placeholder', { error }) }}"
+      auto-height="{{ autosize }}"
+      cursor-spacing="{{ cursorSpacing }}"
+      adjust-position="{{ adjustPosition }}"
+      show-confirm-bar="{{ showConfirmBar }}"
+      hold-keyboard="{{ holdKeyboard }}"
+      selection-end="{{ selectionEnd }}"
+      selection-start="{{ selectionStart }}"
+      bindinput="onInput"
+      bind:blur="onBlur"
+      bind:focus="onFocus"
+      bind:confirm="onConfirm"
+    >
+    </textarea>
+    <input
+      wx:else
+      class="input-class {{ utils.bem('field__input', [inputAlign, { disabled, error }]) }}"
+      type="{{ type }}"
+      focus="{{ focus }}"
+      value="{{ value }}"
+      disabled="{{ disabled || readonly }}"
+      maxlength="{{ maxlength }}"
+      placeholder="{{ placeholder }}"
+      placeholder-style="{{ placeholderStyle }}"
+      placeholder-class="{{ utils.bem('field__placeholder', { error }) }}"
+      confirm-type="{{ confirmType }}"
+      confirm-hold="{{ confirmHold }}"
+      hold-keyboard="{{ holdKeyboard }}"
+      cursor-spacing="{{ cursorSpacing }}"
+      adjust-position="{{ adjustPosition }}"
+      selection-end="{{ selectionEnd }}"
+      selection-start="{{ selectionStart }}"
+      password="{{ password || type === 'password' }}"
+      bindinput="onInput"
+      bind:blur="onBlur"
+      bind:focus="onFocus"
+      bind:confirm="onConfirm"
+    />
+    <van-icon
+      wx:if="{{ clearable && focused && value && !readonly }}"
+      size="16px"
+      name="clear"
+      class="van-field__clear-root van-field__icon-root"
+      catch:touchstart="onClear"
+    />
+    <view class="van-field__icon-container" bind:tap="onClickIcon">
+      <van-icon
+        wx:if="{{ rightIcon || icon }}"
+        size="16px"
+        name="{{ rightIcon || icon }}"
+        class="van-field__icon-root {{ iconClass }}"
+        custom-class="right-icon-class"
+      />
+      <slot name="right-icon" />
+      <slot name="icon" />
+    </view>
+    <view class="van-field__button">
+      <slot name="button" />
+    </view>
+  </view>
+  <view wx:if="{{ errorMessage }}" class="van-field__error-message {{ utils.bem('field__error', [errorMessageAlign, { disabled, error }]) }}">
+    {{ errorMessage }}
+  </view>
+</van-cell>

components/vant/field/index.wxss

+@import '../common/index.wxss';.van-field__body{display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center}.van-field__body--textarea{line-height:1.2em;min-height:24px;min-height:var(--cell-line-height,24px)}.van-field__body--textarea.van-field__body--ios{margin-top:-4.5px}.van-field__input{position:relative;display:block;box-sizing:border-box;width:100%;margin:0;padding:0;line-height:inherit;text-align:left;background-color:initial;border:0;resize:none;color:#323233;color:var(--field-input-text-color,#323233);height:24px;height:var(--cell-line-height,24px);min-height:24px;min-height:var(--cell-line-height,24px)}.van-field__input--textarea{height:18px;height:var(--field-text-area-min-height,18px);min-height:18px;min-height:var(--field-text-area-min-height,18px)}.van-field__input--error{color:#ee0a24;color:var(--field-input-error-text-color,#ee0a24)}.van-field__input--disabled{background-color:initial;opacity:1;color:#969799;color:var(--field-input-disabled-text-color,#969799)}.van-field__input--center{text-align:center}.van-field__input--right{text-align:right}.van-field__placeholder{position:absolute;top:0;right:0;left:0;pointer-events:none;color:#969799;color:var(--field-placeholder-text-color,#969799)}.van-field__placeholder--error{color:#ee0a24;color:var(--field-error-message-color,#ee0a24)}.van-field__icon-root{display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center;min-height:24px;min-height:var(--cell-line-height,24px)}.van-field__clear-root,.van-field__icon-container{line-height:inherit;vertical-align:middle;padding:0 8px;padding:0 var(--padding-xs,8px);margin-right:-8px;margin-right:-var(--padding-xs,8px)}.van-field__button,.van-field__clear-root,.van-field__icon-container{-webkit-flex-shrink:0;flex-shrink:0}.van-field__clear-root{color:#c8c9cc;color:var(--field-clear-icon-color,#c8c9cc)}.van-field__icon-container{color:#969799;color:var(--field-icon-container-color,#969799)}.van-field__icon-container:empty{display:none}.van-field__button{padding-left:8px;padding-left:var(--padding-xs,8px)}.van-field__button:empty{display:none}.van-field__error-message{text-align:left;font-size:12px;font-size:var(--field-error-message-text-font-size,12px);color:#ee0a24;color:var(--field-error-message-color,#ee0a24)}.van-field__error-message--center{text-align:center}.van-field__error-message--right{text-align:right}
\ No newline at end of file

components/vant/icon/index.d.ts

+export {};

components/vant/icon/index.js

+import { VantComponent } from '../common/component';
+VantComponent({
+    props: {
+        dot: Boolean,
+        info: null,
+        size: null,
+        color: String,
+        customStyle: String,
+        classPrefix: {
+            type: String,
+            value: 'van-icon'
+        },
+        name: {
+            type: String,
+            observer(val) {
+                this.setData({
+                    isImageName: val.indexOf('/') !== -1
+                });
+            }
+        }
+    },
+    methods: {
+        onClick() {
+            this.$emit('click');
+        }
+    }
+});

components/vant/icon/index.json

+{
+  "component": true,
+  "usingComponents": {
+    "van-info": "../info/index"
+  }
+}

components/vant/icon/index.wxml

+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<view
+  class="custom-class {{ classPrefix }} {{ isImageName ? 'van-icon--image' : classPrefix + '-' + name }}"
+  style="color: {{ color }};font-size: {{ utils.addUnit(size) }};{{ customStyle }}"
+  bind:tap="onClick"
+>
+  <van-info
+    wx:if="{{ info !== null || dot }}"
+    dot="{{ dot }}"
+    info="{{ info }}"
+    custom-class="van-icon__info"
+  />
+  <image
+    wx:if="{{ isImageName }}"
+    src="{{ name }}"
+    mode="aspectFit"
+    class="van-icon__image"
+  />
+</view>

components/vant/image/index.d.ts

+export {};

components/vant/image/index.js

+import { addUnit, isDef } from '../common/utils';
+import { VantComponent } from '../common/component';
+import { button } from '../mixins/button';
+import { openType } from '../mixins/open-type';
+const FIT_MODE_MAP = {
+    none: 'center',
+    fill: 'scaleToFill',
+    cover: 'aspectFill',
+    contain: 'aspectFit'
+};
+VantComponent({
+    mixins: [button, openType],
+    classes: ['custom-class', 'loading-class', 'error-class', 'image-class'],
+    props: {
+        src: {
+            type: String,
+            observer() {
+                this.setData({
+                    error: false,
+                    loading: true
+                });
+            }
+        },
+        round: Boolean,
+        width: {
+            type: null,
+            observer: 'setStyle'
+        },
+        height: {
+            type: null,
+            observer: 'setStyle'
+        },
+        radius: null,
+        lazyLoad: Boolean,
+        useErrorSlot: Boolean,
+        useLoadingSlot: Boolean,
+        showMenuByLongpress: Boolean,
+        fit: {
+            type: String,
+            value: 'fill',
+            observer: 'setMode'
+        },
+        showError: {
+            type: Boolean,
+            value: true
+        },
+        showLoading: {
+            type: Boolean,
+            value: true
+        }
+    },
+    data: {
+        error: false,
+        loading: true,
+        viewStyle: '',
+    },
+    mounted() {
+        this.setMode();
+        this.setStyle();
+    },
+    methods: {
+        setMode() {
+            this.setData({
+                mode: FIT_MODE_MAP[this.data.fit],
+            });
+        },
+        setStyle() {
+            const { width, height, radius } = this.data;
+            let style = '';
+            if (isDef(width)) {
+                style += `width: ${addUnit(width)};`;
+            }
+            if (isDef(height)) {
+                style += `height: ${addUnit(height)};`;
+            }
+            if (isDef(radius)) {
+                style += 'overflow: hidden;';
+                style += `border-radius: ${addUnit(radius)};`;
+            }
+            this.setData({ viewStyle: style });
+        },
+        onLoad(event) {
+            this.setData({
+                loading: false
+            });
+            this.$emit('load', event.detail);
+        },
+        onError(event) {
+            this.setData({
+                loading: false,
+                error: true
+            });
+            this.$emit('error', event.detail);
+        },
+        onClick(event) {
+            this.$emit('click', event.detail);
+        }
+    }
+});

components/vant/image/index.json

+{
+  "component": true,
+  "usingComponents": {
+    "van-icon": "../icon/index",
+    "van-loading": "../loading/index"
+  }
+}

components/vant/image/index.wxml

+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<view
+  style="{{ viewStyle }}"
+  class="custom-class {{ utils.bem('image', { round })}}"
+  bind:tap="onClick"
+>
+  <image
+    wx:if="{{ !error }}"
+    src="{{ src }}"
+    mode="{{ mode }}"
+    lazy-load="{{ lazyLoad }}"
+    class="image-class van-image__img"
+    show-menu-by-longpress="{{ showMenuByLongpress }}"
+    bind:load="onLoad"
+    bind:error="onError"
+  />
+
+  <view
+    wx:if="{{ loading && showLoading }}"
+    class="loading-class van-image__loading"
+  >
+    <slot wx:if="{{ useLoadingSlot }}" name="loading" />
+    <van-icon wx:else name="photo-o" size="22" />
+  </view>
+  <view
+    wx:if="{{ error && showError }}"
+    class="error-class van-image__error"
+  >
+    <slot wx:if="{{ useErrorSlot }}" name="error" />
+    <van-icon wx:else name="warning-o" size="22" />
+  </view>
+</view>

components/vant/image/index.wxss

+@import '../common/index.wxss';.van-image{position:relative;display:inline-block}.van-image--round{overflow:hidden;border-radius:50%}.van-image--round .van-image__img{border-radius:inherit}.van-image__error,.van-image__img,.van-image__loading{display:block;width:100%;height:100%}.van-image__error,.van-image__loading{position:absolute;top:0;left:0;display:-webkit-flex;display:flex;-webkit-flex-direction:column;flex-direction:column;-webkit-align-items:center;align-items:center;-webkit-justify-content:center;justify-content:center;color:#969799;color:var(--image-placeholder-text-color,#969799);font-size:14px;font-size:var(--image-placeholder-font-size,14px);background-color:#f7f8fa;background-color:var(--image-placeholder-background-color,#f7f8fa)}
\ No newline at end of file

components/vant/info/index.d.ts

+export {};

components/vant/info/index.js

+import { VantComponent } from '../common/component';
+VantComponent({
+    props: {
+        dot: Boolean,
+        info: null,
+        customStyle: String
+    }
+});

components/vant/info/index.json

+{
+  "component": true
+}

components/vant/info/index.wxml

+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<view
+  wx:if="{{ info !== null && info !== '' || dot }}"
+  class="custom-class van-info {{ utils.bem('info', { dot }) }}"
+  style="{{ customStyle }}"
+>{{ dot ? '' : info }}</view>

components/vant/info/index.wxss

+@import '../common/index.wxss';.van-info{position:absolute;top:0;right:0;box-sizing:border-box;white-space:nowrap;text-align:center;-webkit-transform:translate(50%,-50%);transform:translate(50%,-50%);-webkit-transform-origin:100%;transform-origin:100%;min-width:16px;min-width:var(--info-size,16px);padding:0 3px;padding:var(--info-padding,0 3px);color:#fff;color:var(--info-color,#fff);font-weight:500;font-weight:var(--info-font-weight,500);font-size:12px;font-size:var(--info-font-size,12px);font-family:PingFang SC,Helvetica Neue,Arial,sans-serif;font-family:var(--info-font-family,PingFang SC,Helvetica Neue,Arial,sans-serif);line-height:14px;line-height:calc(var(--info-size, 16px) - var(--info-border-width, 1px)*2);background-color:#ee0a24;background-color:var(--info-background-color,#ee0a24);border:1px solid #fff;border:var(--info-border-width,1px) solid var(--white,#fff);border-radius:16px;border-radius:var(--info-size,16px)}.van-info--dot{min-width:0;border-radius:100%;width:8px;width:var(--info-dot-size,8px);height:8px;height:var(--info-dot-size,8px);background-color:#ee0a24;background-color:var(--info-dot-color,#ee0a24)}
\ No newline at end of file

components/vant/loading/index.d.ts

+export {};

components/vant/loading/index.js

+import { VantComponent } from '../common/component';
+VantComponent({
+    props: {
+        color: String,
+        vertical: Boolean,
+        type: {
+            type: String,
+            value: 'circular'
+        },
+        size: String,
+        textSize: String
+    },
+    data: {
+        array12: Array.from({ length: 12 }),
+    },
+});

components/vant/loading/index.json

+{
+  "component": true
+}
\ No newline at end of file

components/vant/loading/index.wxml

+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<view class="custom-class van-loading {{ vertical ? 'van-loading--vertical' : '' }}">
+  <view
+    class="van-loading__spinner van-loading__spinner--{{ type }}"
+    style="color: {{ color }}; width: {{ utils.addUnit(size) }}; height: {{ utils.addUnit(size) }}"
+  >
+    <view
+      wx:if="{{ type === 'spinner' }}"
+      wx:for="{{ array12 }}"
+      wx:key="index"
+      class="van-loading__dot"
+    />
+  </view>
+  <view class="van-loading__text" style="font-size: {{ utils.addUnit(textSize) }};">
+    <slot />
+  </view>
+</view>

components/vant/loading/index.wxss

+@import '../common/index.wxss';:host{font-size:0;line-height:1}.van-loading{display:-webkit-inline-flex;display:inline-flex;-webkit-align-items:center;align-items:center;-webkit-justify-content:center;justify-content:center;color:#c8c9cc;color:var(--loading-spinner-color,#c8c9cc)}.van-loading__spinner{position:relative;box-sizing:border-box;width:30px;width:var(--loading-spinner-size,30px);max-width:100%;max-height:100%;height:30px;height:var(--loading-spinner-size,30px);-webkit-animation:van-rotate .8s linear infinite;animation:van-rotate .8s linear infinite;-webkit-animation:van-rotate var(--loading-spinner-animation-duration,.8s) linear infinite;animation:van-rotate var(--loading-spinner-animation-duration,.8s) linear infinite}.van-loading__spinner--spinner{-webkit-animation-timing-function:steps(12);animation-timing-function:steps(12)}.van-loading__spinner--circular{border:1px solid transparent;border-top-color:initial;border-radius:100%}.van-loading__text{margin-left:8px;margin-left:var(--padding-xs,8px);color:#969799;color:var(--loading-text-color,#969799);font-size:14px;font-size:var(--loading-text-font-size,14px);line-height:20px;line-height:var(--loading-text-line-height,20px)}.van-loading__text:empty{display:none}.van-loading--vertical{-webkit-flex-direction:column;flex-direction:column}.van-loading--vertical .van-loading__text{margin:8px 0 0;margin:var(--padding-xs,8px) 0 0}.van-loading__dot{position:absolute;top:0;left:0;width:100%;height:100%}.van-loading__dot:before{display:block;width:2px;height:25%;margin:0 auto;background-color:currentColor;border-radius:40%;content:" "}.van-loading__dot:first-of-type{-webkit-transform:rotate(30deg);transform:rotate(30deg);opacity:1}.van-loading__dot:nth-of-type(2){-webkit-transform:rotate(60deg);transform:rotate(60deg);opacity:.9375}.van-loading__dot:nth-of-type(3){-webkit-transform:rotate(90deg);transform:rotate(90deg);opacity:.875}.van-loading__dot:nth-of-type(4){-webkit-transform:rotate(120deg);transform:rotate(120deg);opacity:.8125}.van-loading__dot:nth-of-type(5){-webkit-transform:rotate(150deg);transform:rotate(150deg);opacity:.75}.van-loading__dot:nth-of-type(6){-webkit-transform:rotate(180deg);transform:rotate(180deg);opacity:.6875}.van-loading__dot:nth-of-type(7){-webkit-transform:rotate(210deg);transform:rotate(210deg);opacity:.625}.van-loading__dot:nth-of-type(8){-webkit-transform:rotate(240deg);transform:rotate(240deg);opacity:.5625}.van-loading__dot:nth-of-type(9){-webkit-transform:rotate(270deg);transform:rotate(270deg);opacity:.5}.van-loading__dot:nth-of-type(10){-webkit-transform:rotate(300deg);transform:rotate(300deg);opacity:.4375}.van-loading__dot:nth-of-type(11){-webkit-transform:rotate(330deg);transform:rotate(330deg);opacity:.375}.van-loading__dot:nth-of-type(12){-webkit-transform:rotate(1turn);transform:rotate(1turn);opacity:.3125}@-webkit-keyframes van-rotate{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}@keyframes van-rotate{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}
\ No newline at end of file

components/vant/mixins/basic.d.ts

+export declare const basic: string;

components/vant/mixins/basic.js

+export const basic = Behavior({
+    methods: {
+        $emit(...args) {
+            this.triggerEvent(...args);
+        },
+        set(data, callback) {
+            this.setData(data, callback);
+            return new Promise(resolve => wx.nextTick(resolve));
+        },
+        getRect(selector, all) {
+            return new Promise(resolve => {
+                wx.createSelectorQuery()
+                    .in(this)[all ? 'selectAll' : 'select'](selector)
+                    .boundingClientRect(rect => {
+                    if (all && Array.isArray(rect) && rect.length) {
+                        resolve(rect);
+                    }
+                    if (!all && rect) {
+                        resolve(rect);
+                    }
+                })
+                    .exec();
+            });
+        }
+    }
+});

components/vant/mixins/button.d.ts

+export declare const button: string;

components/vant/mixins/button.js

+export const button = Behavior({
+    externalClasses: ['hover-class'],
+    properties: {
+        id: String,
+        lang: {
+            type: String,
+            value: 'en'
+        },
+        businessId: Number,
+        sessionFrom: String,
+        sendMessageTitle: String,
+        sendMessagePath: String,
+        sendMessageImg: String,
+        showMessageCard: Boolean,
+        appParameter: String,
+        ariaLabel: String
+    }
+});

components/vant/mixins/link.d.ts

+export declare const link: string;

components/vant/mixins/link.js

+export const link = Behavior({
+    properties: {
+        url: String,
+        linkType: {
+            type: String,
+            value: 'navigateTo'
+        }
+    },
+    methods: {
+        jumpLink(urlKey = 'url') {
+            const url = this.data[urlKey];
+            if (url) {
+                wx[this.data.linkType]({ url });
+            }
+        }
+    }
+});

components/vant/mixins/open-type.d.ts

+export declare const openType: string;

components/vant/mixins/open-type.js

+export const openType = Behavior({
+    properties: {
+        openType: String
+    },
+    methods: {
+        bindGetUserInfo(event) {
+            this.$emit('getuserinfo', event.detail);
+        },
+        bindContact(event) {
+            this.$emit('contact', event.detail);
+        },
+        bindGetPhoneNumber(event) {
+            this.$emit('getphonenumber', event.detail);
+        },
+        bindError(event) {
+            this.$emit('error', event.detail);
+        },
+        bindLaunchApp(event) {
+            this.$emit('launchapp', event.detail);
+        },
+        bindOpenSetting(event) {
+            this.$emit('opensetting', event.detail);
+        },
+    }
+});

components/vant/mixins/touch.d.ts

+export declare const touch: string;

components/vant/mixins/touch.js

+const MIN_DISTANCE = 10;
+function getDirection(x, y) {
+    if (x > y && x > MIN_DISTANCE) {
+        return 'horizontal';
+    }
+    if (y > x && y > MIN_DISTANCE) {
+        return 'vertical';
+    }
+    return '';
+}
+export const touch = Behavior({
+    methods: {
+        resetTouchStatus() {
+            this.direction = '';
+            this.deltaX = 0;
+            this.deltaY = 0;
+            this.offsetX = 0;
+            this.offsetY = 0;
+        },
+        touchStart(event) {
+            this.resetTouchStatus();
+            const touch = event.touches[0];
+            this.startX = touch.clientX;
+            this.startY = touch.clientY;
+        },
+        touchMove(event) {
+            const touch = event.touches[0];
+            this.deltaX = touch.clientX - this.startX;
+            this.deltaY = touch.clientY - this.startY;
+            this.offsetX = Math.abs(this.deltaX);
+            this.offsetY = Math.abs(this.deltaY);
+            this.direction = this.direction || getDirection(this.offsetX, this.offsetY);
+        }
+    }
+});

components/vant/mixins/transition.d.ts

+export declare const transition: (showDefaultValue: boolean) => any;

components/vant/mixins/transition.js

+import { isObj } from '../common/utils';
+const getClassNames = (name) => ({
+    enter: `van-${name}-enter van-${name}-enter-active enter-class enter-active-class`,
+    'enter-to': `van-${name}-enter-to van-${name}-enter-active enter-to-class enter-active-class`,
+    leave: `van-${name}-leave van-${name}-leave-active leave-class leave-active-class`,
+    'leave-to': `van-${name}-leave-to van-${name}-leave-active leave-to-class leave-active-class`
+});
+const nextTick = () => new Promise(resolve => setTimeout(resolve, 1000 / 30));
+export const transition = function (showDefaultValue) {
+    return Behavior({
+        properties: {
+            customStyle: String,
+            // @ts-ignore
+            show: {
+                type: Boolean,
+                value: showDefaultValue,
+                observer: 'observeShow'
+            },
+            // @ts-ignore
+            duration: {
+                type: null,
+                value: 300,
+                observer: 'observeDuration'
+            },
+            name: {
+                type: String,
+                value: 'fade'
+            }
+        },
+        data: {
+            type: '',
+            inited: false,
+            display: false
+        },
+        methods: {
+            observeShow(value, old) {
+                if (value === old) {
+                    return;
+                }
+                value ? this.enter() : this.leave();
+            },
+            enter() {
+                const { duration, name } = this.data;
+                const classNames = getClassNames(name);
+                const currentDuration = isObj(duration) ? duration.enter : duration;
+                this.status = 'enter';
+                this.$emit('before-enter');
+                Promise.resolve()
+                    .then(nextTick)
+                    .then(() => {
+                    this.checkStatus('enter');
+                    this.$emit('enter');
+                    this.setData({
+                        inited: true,
+                        display: true,
+                        classes: classNames.enter,
+                        currentDuration
+                    });
+                })
+                    .then(nextTick)
+                    .then(() => {
+                    this.checkStatus('enter');
+                    this.transitionEnded = false;
+                    this.setData({
+                        classes: classNames['enter-to']
+                    });
+                })
+                    .catch(() => { });
+            },
+            leave() {
+                if (!this.data.display) {
+                    return;
+                }
+                const { duration, name } = this.data;
+                const classNames = getClassNames(name);
+                const currentDuration = isObj(duration) ? duration.leave : duration;
+                this.status = 'leave';
+                this.$emit('before-leave');
+                Promise.resolve()
+                    .then(nextTick)
+                    .then(() => {
+                    this.checkStatus('leave');
+                    this.$emit('leave');
+                    this.setData({
+                        classes: classNames.leave,
+                        currentDuration
+                    });
+                })
+                    .then(nextTick)
+                    .then(() => {
+                    this.checkStatus('leave');
+                    this.transitionEnded = false;
+                    setTimeout(() => this.onTransitionEnd(), currentDuration);
+                    this.setData({
+                        classes: classNames['leave-to']
+                    });
+                })
+                    .catch(() => { });
+            },
+            checkStatus(status) {
+                if (status !== this.status) {
+                    throw new Error(`incongruent status: ${status}`);
+                }
+            },
+            onTransitionEnd() {
+                if (this.transitionEnded) {
+                    return;
+                }
+                this.transitionEnded = true;
+                this.$emit(`after-${this.status}`);
+                const { show, display } = this.data;
+                if (!show && display) {
+                    this.setData({ display: false });
+                }
+            }
+        }
+    });
+};

components/vant/overlay/index.d.ts

+export {};

components/vant/overlay/index.js

+import { VantComponent } from '../common/component';
+VantComponent({
+    props: {
+        show: Boolean,
+        customStyle: String,
+        duration: {
+            type: null,
+            value: 300
+        },
+        zIndex: {
+            type: Number,
+            value: 1
+        }
+    },
+    methods: {
+        onClick() {
+            this.$emit('click');
+        },
+        // for prevent touchmove
+        noop() { }
+    }
+});

components/vant/overlay/index.json

+{
+  "component": true,
+  "usingComponents": {
+    "van-transition": "../transition/index"
+  }
+}

components/vant/overlay/index.wxml

+<van-transition
+  show="{{ show }}"
+  custom-class="van-overlay"
+  custom-style="z-index: {{ zIndex }}; {{ customStyle }}"
+  duration="{{ duration }}"
+  bind:tap="onClick"
+  catch:touchmove="noop"
+>
+  <slot></slot>
+</van-transition>

components/vant/overlay/index.wxss

+@import '../common/index.wxss';.van-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);background-color:var(--overlay-background-color,rgba(0,0,0,.7))}
\ No newline at end of file

components/vant/picker-column/index.d.ts

+export {};

components/vant/picker-column/index.js

+import { VantComponent } from '../common/component';
+import { isObj, range } from '../common/utils';
+const DEFAULT_DURATION = 200;
+VantComponent({
+    classes: ['active-class'],
+    props: {
+        valueKey: String,
+        className: String,
+        itemHeight: Number,
+        visibleItemCount: Number,
+        initialOptions: {
+            type: Array,
+            value: []
+        },
+        defaultIndex: {
+            type: Number,
+            value: 0,
+            observer(value) {
+                this.setIndex(value);
+            }
+        }
+    },
+    data: {
+        startY: 0,
+        offset: 0,
+        duration: 0,
+        startOffset: 0,
+        options: [],
+        currentIndex: 0
+    },
+    created() {
+        const { defaultIndex, initialOptions } = this.data;
+        this.set({
+            currentIndex: defaultIndex,
+            options: initialOptions
+        }).then(() => {
+            this.setIndex(defaultIndex);
+        });
+    },
+    methods: {
+        getCount() {
+            return this.data.options.length;
+        },
+        onTouchStart(event) {
+            this.setData({
+                startY: event.touches[0].clientY,
+                startOffset: this.data.offset,
+                duration: 0
+            });
+        },
+        onTouchMove(event) {
+            const { data } = this;
+            const deltaY = event.touches[0].clientY - data.startY;
+            this.setData({
+                offset: range(data.startOffset + deltaY, -(this.getCount() * data.itemHeight), data.itemHeight)
+            });
+        },
+        onTouchEnd() {
+            const { data } = this;
+            if (data.offset !== data.startOffset) {
+                this.setData({ duration: DEFAULT_DURATION });
+                const index = range(Math.round(-data.offset / data.itemHeight), 0, this.getCount() - 1);
+                this.setIndex(index, true);
+            }
+        },
+        onClickItem(event) {
+            const { index } = event.currentTarget.dataset;
+            this.setIndex(index, true);
+        },
+        adjustIndex(index) {
+            const { data } = this;
+            const count = this.getCount();
+            index = range(index, 0, count);
+            for (let i = index; i < count; i++) {
+                if (!this.isDisabled(data.options[i]))
+                    return i;
+            }
+            for (let i = index - 1; i >= 0; i--) {
+                if (!this.isDisabled(data.options[i]))
+                    return i;
+            }
+        },
+        isDisabled(option) {
+            return isObj(option) && option.disabled;
+        },
+        getOptionText(option) {
+            const { data } = this;
+            return isObj(option) && data.valueKey in option
+                ? option[data.valueKey]
+                : option;
+        },
+        setIndex(index, userAction) {
+            const { data } = this;
+            index = this.adjustIndex(index) || 0;
+            const offset = -index * data.itemHeight;
+            if (index !== data.currentIndex) {
+                return this.set({ offset, currentIndex: index }).then(() => {
+                    userAction && this.$emit('change', index);
+                });
+            }
+            return this.set({ offset });
+        },
+        setValue(value) {
+            const { options } = this.data;
+            for (let i = 0; i < options.length; i++) {
+                if (this.getOptionText(options[i]) === value) {
+                    return this.setIndex(i);
+                }
+            }
+            return Promise.resolve();
+        },
+        getValue() {
+            const { data } = this;
+            return data.options[data.currentIndex];
+        }
+    }
+});

components/vant/picker-column/index.json

+{
+  "component": true
+}
\ No newline at end of file

components/vant/picker-column/index.wxml

+<wxs src="./index.wxs" module="getOptionText" />
+
+<view
+  class="van-picker-column custom-class"
+  style="height: {{ itemHeight * visibleItemCount }}px"
+  bind:touchstart="onTouchStart"
+  catch:touchmove="onTouchMove"
+  bind:touchend="onTouchEnd"
+  bind:touchcancel="onTouchEnd"
+>
+  <view style="transition: transform {{ duration }}ms; line-height: {{ itemHeight }}px; transform: translate3d(0, {{ offset + (itemHeight * (visibleItemCount - 1)) / 2 }}px, 0)">
+    <view
+      wx:for="{{ options }}"
+      wx:for-item="option"
+      wx:key="index"
+      data-index="{{ index }}"
+      style="height: {{ itemHeight }}px"
+      class="van-ellipsis van-picker-column__item {{ option && option.disabled ? 'van-picker-column__item--disabled' : '' }} {{ index === currentIndex ? 'van-picker-column__item--selected active-class' : '' }}"
+      bindtap="onClickItem"
+    >{{ getOptionText(option, valueKey) }}</view>
+  </view>
+</view>

components/vant/picker-column/index.wxs

+function isObj(x) {
+  var type = typeof x;
+  return x !== null && (type === 'object' || type === 'function');
+}
+
+module.exports = function (option, valueKey) {
+  return isObj(option) && option[valueKey] != null ? option[valueKey] : option;
+}