About the implementation of the five-star rating effect of the WeChat mini program

This article mainly introduces the relevant information on the implementation code of the five-star rating effect of the WeChat applet. Friends in need can refer to the code below

The implementation code of the five-star rating effect of the WeChat applet

Many friends who have done e-commerce projects will often use the rating function. I just wrote an example here and sent it to share:

What I wrote is a 5-point full-score system. First of all, Prepare 3 pictures,

, like this, representing the status when the scores are 0, 0.5, and 1 respectively.

Rendering: (based on 3.5 For example)

Then add the code:

js:

function pingfenxing(pingfen){
   var that=this,　　//这里是图片的路径，自己需要改
     data={
     ling:"img/pingfen0.png",
     zheng:"img/pingfen2.png",
     ban:"img/pingfen1.png"　　　　},
     nums=[];//这里是返回图片排列的顺序的数组，这里要注意在页面使用的时候图片的路径，不过使用网络图片无所谓　　　　if((pingfen/0.5)%2==0){//如果评分为整数，如4.0、5.0
     for(var i=0;i<5;i++){
      if(i<pingfen){
       nums.push(data.zheng);
      }else{
       nums.push(data.ling);
      }
     }
   }else{//评分不为整数，如3.5、2.5
     for(var i=0;i<5;i++){
      if(i<pingfen-0.5){
       nums.push(data.zheng);//先把整数分离出来，如：3.5，这里就是先把3分离出来，把代表1的图片放进去
      }else if(i==(pingfen-0.5)){
       nums.push(data.ban);//把小数的部分分离出来，如：3.5里的0.5，把代表0.5的图片放进去
      }else{
       nums.push(data.ling);//然后剩下的就是没有满的用代表0的图片放进去，如：3.5，里面放进去了3个代表1的图片，然后放入了1个代表0.5的图片，最后还剩一个图片的位置，这时候就放代表0的图片
      }
     }
   }
    return num; } module.exports = {　　 pingfen:pingfenxing }

WXML Code:

<view class="pingfen">
   <block wx:for="{{item.pingfenpic}}" wx:key="{{item.id}}" wx:for-item="pingfen">
      <image class="img" src="{{pingfen}}"></image>
   </block>
   <text data-pingfen="{{item.pingfen}}" >{{item.pingfen}}</text>
</view>

JS code for the page using this function:

var pingxin=require("../../utils/pingxing.js");
Page({　　data:{　　　　tuangou:tuangou}//我这里是在页面加载的时候先从后台获取数据，把数据的值赋值给tuangou，然后遍历将数据里面的参数拿出来，然后再把相应的评分中的图片排列顺序放到这条数据中的pingfenpic中保存，然后在页面中渲染即可
onLoad:function(options){
  console.log('onLoad');
  var that=this;
  // 页面初始化 options为页面跳转所带来的参数
  wx.request({
   url: 'https://wxapp.com/tuangou',//这里是你请求数据的接口地址，自己填写
   data: {},
   method: 'GET',
   success: function(res){
    // success
    console.log(res.data.tuangou);
    let tuangou=res.data.tuangou;
    for(let i=0;i<tuangou.length;i++){
      tuangou[i].pingfenpic=pingxin.pingfen(parseFloat(tuangou[i].pingfen));//使用函数将评分变为图片排列的数组，这里要注意，如果评分传过来的是字符串 需要将它变为数字
    }
    that.setData({
     tuangou:tuangou
    });
    console.log(that.data.tuangou);
   },
   fail: function() {
    // fail
   },
   complete: function() {
    // complete
   }
  });　　}
});

Above That’s the entire content of this article. I hope it will be helpful to everyone’s study. For more related content, please pay attention to the PHP Chinese website!

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