<view> <view>一:顯示后臺給的評分</view> <block wx:for="{{one_1}}" wx:key="item">  <image src='../../image/star.png'></image> </block> <block wx:for="{{two_1}}" wx:key="item">  <image src='../../image/starg.png'></image> </block></view><view>這里num給的是幾分就顯示幾顆星星</view> <view style='margin-top:60px;'>二:顯示用戶選擇的評分</view><block wx:for="{{one_2}}" wx:key="index"> <image catchtap='in_xin' id='{{index+1}}' data-in='star' src='../../image/star.png'></image></block><block wx:for="{{two_2}}" wx:key="index"> <image catchtap='in_xin' id='{{index+1}}' data-in='starg' src='../../image/starg.png'></image></block><view>{{one_2}}星</view>

image{  height: 60rpx;  width: 60rpx;  display: inline-block } 

/**  * 頁面的初始數據  * 滿分為5星  */ data: {  num: 4,//后端給的分數，顯示的星星  one_1: '',//點亮的星星數  two_1: '',//沒有點亮的星星數  one_2: 0,//點亮的星星數  two_2: 5//沒有點亮的星星數 },  /**  * 生命周期函數--監聽頁面加載  */ onLoad: function (options) {  //情況一:展示后臺給的評分   this.setData({   one_1: this.data.num,   two_1: 5 - this.data.num  }) }, in_xin: function (e) {  var in_xin = e.currentTarget.dataset.in;  console.log(e.currentTarget.dataset.in);  console.log(e.currentTarget);    var one_2;  if (in_xin == 'star') {   one_2 = Number(e.currentTarget.id)  } else {   one_2 = Number(e.currentTarget.id) + this.data.one_2  }  this.setData({   one_2: one_2,   two_2: 5 - one_2  }) },