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触底生命周期onReachBottom
下拉刷新生命周期onPullDownRefresh
加载圈圈wx.showLoading(); / wx.hideLoading();
点击事件bindtap
客服 open-type = "contact"
页面跳转 wx.navigateTo({ url: '/packageOrder/pages/orderDesc/orderDesc'})
阻止冒泡 catchtap="onClick"
转义字符使用

   <text decode='true'>&lt;上海出发&gt;</text>

// 底部导航tabBar app.json
  "tabBar": {
    "selectedColor": "#ea5149",
    "list": [
      {
        "pagePath": "pages/index/index",
        "text": "首页",
        "iconPath": "images/img/book.png",
        "selectedIconPath": "images/img/book-active.png"
      },
      {
        "pagePath": "pages/me/me",
        "text": "我",
        "iconPath": "images/img/me.png",
        "selectedIconPath": "images/img/me-active.png"
      }
    ]
  },
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//获取用户信息getUserInfo
<button size="mini" bindgetuserinfo="onGetUserInfo" open-type="getUserInfo">登录</button>
//获取用户信息
  onGetUserInfo(e) {
    let userInfo = e.detail.userInfo
    // 需要调用云函数，获取用户的openid
    wx.cloud.callFunction({
      name:'login',
      complete: res=>{
        userInfo.openid = res.result.openid
        this.setData({
          userInfo
        })
        // 写入本地缓存
        wx.setStorageSync("userInfo", userInfo)
      }
    })
  },
//读取缓存 getStorageSync
  data: {
    userInfo: wx.getStorageSync("userInfo") || {},
  },

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//调起客户端扫码界面进行扫码wx.scanCode
bindtap = "scanCode"
  scanCode() {
    wx.scanCode({
      success: res=>{
        //图书的isbn号 去豆瓣获取详情
        this.addBook(res.result)
      }
    })
  },
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//数据库添加数据db.collection('name').add
const db = wx.cloud.database()
db.collection('doubanbooks').add({
          data: result
        })
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//下拉刷新  json文件中配置
  "enablePullDownRefresh": true,

wx:for / wx:if / bindtap /

<view class="card" wx:for="{{item.arr}}" wx:for-item="litem" wx:for-index="lindex">
______________________
<view class="list-wrap" wx:for="{{dateArr}}" wx:key="index">
________________________
      <image  bindtap="showEye" wx:if="{{iseye}}" class="eye" src="/packageHome/images/calendar/open.png"></image> 
      <image wx:else class="eye" bindtap="showEye" src="/packageHome/images/calendar/close.png"></image> 

弹出层禁止页面滚动catchtouchmove='true'

<view class="graph-modal" wx:if="{{isGraph}}" catchtouchmove='true'>
        <view class="modal">
            <image show-menu-by-longpress="true" class="shareImg" src="{{shareImg}}"></image>
        </view>
        <view class="close-wrap" bindtap="closeModal">
            <image class="close" src="/packageHome/images/goodDetails/close.png"></image>
        </view>
    </view>