微信小程序实现展示评分结果功能

<view class="conmmentbox">
 <view class="starbox">
 <view class="stars2" style="width: 130rpx"> 
  <view>
  <image src="../../image/token_img/lp_ct2.png"></image>
  <image src="../../image/token_img/lp_ct2.png"></image>
  <image src="../../image/token_img/lp_ct2.png"></image>
  <image src="../../image/token_img/lp_ct2.png"></image>
  <image src="../../image/token_img/lp_ct2.png"></image>
  </view>
 </view>
 <view class="stars" style="width: {{praisestars}};">
  <view>
  <image src="../../image/token_img/lp_dj1.png"></image>
  <image src="../../image/token_img/lp_dj1.png"></image>
  <image src="../../image/token_img/lp_dj1.png"></image>
  <image src="../../image/token_img/lp_dj1.png"></image>
  <image src="../../image/token_img/lp_dj1.png"></image>
  </view>
 </view> 
 </view>    
  {{ praiseNum }}分
</view>

.conmmentbox{
 display: inline-block;
 font-size: 22rpx;
 color: #F74754;
}
.conmmentstars{
 width: 26rpx;
 height: 26rpx;
}
.doortimes{
 color: #F74754;
 margin-left: 10rpx;
}
.starbox{
 width: 130rpx;
 height: 30rpx;
 position: relative;
 display: inline-block;
 overflow: hidden;
 float: left;
}
.stars{
 width: 130rpx;
 height: 30rpx;
 position: relative;
 top: 0;
 left: 0;
 overflow: hidden;
}
.stars2{
 height: 30rpx;
 width: 130rpx;
 overflow: hidden;
 position: absolute;
 top: 0;
 left: 0;
 overflow: hidden;
}
.stars image,.stars2 image{
 width: 26rpx;
 height: 26rpx;
 float: left;
 white-space:nowrap;
}
.stars view,.stars2 view{
 width: 130rpx;
 position: absolute;
}

//星星评分
var praiseNums=res.data.result.praiseNum;//获取数据评分
var praisestars=(praiseNums/5)*100+'%';
// console.log(praisestars);
that.setData({
 praisestars: praisestars
})

<!--pages/test/test.wxml--> 
<view> 
  <view>一:显示后台给的评分</view> 
  <block wx:for="{{one_1}}"> 
    <image src='../../images/use_sc2.png'></image> 
  </block> 
  <block wx:for="{{two_1}}"> 
    <image src='../../images/use_sc.png'></image> 
  </block> 
</view> 
<view>这里num给的是几分就显示几颗星星</view> 
<view style='margin-top:60px;'>二:显示用户选择的评分</view> 
<block wx:for="{{one_2}}" wx:key="index"> 
  <image catchtap='in_xin' id='{{index+1}}' data-in='use_sc2' src='../../images/use_sc2.png'></image> 
</block> 
<block wx:for="{{two_2}}" wx:key="index"> 
  <image catchtap='in_xin' id='{{index+1}}' data-in='use_sc' src='../../images/use_sc.png'></image> 
</block> 
<view>{{one_2}}星</view>

// pages/test/test.js 
Page({ 
 /** 
  * 统一满分为5星 
  */ 
 data: { 
  num: 4,//后端给的分数,显示相应的星星 
  one_1: '', 
  two_1: '', 
  one_2: 0, 
  two_2: 5 
 }, 
 onLoad: function (options) { 
  //情况一:展示后台给的评分 
    this.setData({ 
     one_1: this.data.num, 
     two_1: 5 - this.data.num 
    }) 
 }, 
 
 //情况二:用户给评分 
 in_xin:function(e){ 
  var in_xin = e.currentTarget.dataset.in; 
  var one_2; 
  if (in_xin === 'use_sc2'){ 
   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 
  }) 
 } 
})

/* pages/test/test.wxss */ 
image{ 
 height: 60rpx; 
 width: 60rpx; 
 display: inline-block 
}