Several ways to pass values on the applet page

1. url pass value

 

list.wxml:

 <view class="playIcon">
    <image src="../../iconfont/play_init.png"  bindtap="playAudio" data-songid="{{song.song_id}}"></image>
</view>


list.js:

playAudio: function (event) {
    let songid = event.currentTarget.dataset.songid;
    var that = this;
    wx.navigateTo({
      url: '/pages/listDetail/listDetail?title=' + songid,
    })
}    

listDetail:

 onLoad: function (options) {
    var that = this;
    console.log('options',options) 

}

 

 

 

2.app.globalData sets global variables

app.js: set global variables

App({
globalData: {
userInfo: null,
host:'http://localhost:8000'
}
})
 

index.js:

const app = getApp()
app.globalData = 'You can also set values ​​here' ,
console.log(app.globalData.host)

 

 

 

3.setStorage() /getStorage() Write the value in the local cache, the maximum support is 10M, you can store some text and the like, just audio and video

list.js:

Store the value in the local cache

wx.setStorage('title',data)

 

listDetail.js：

Get value from local cache

let info = wx.getStorage('title')

console.log('info',info)