微信小程序五星好评-之一半的星星

; } .item { position: absolute; top: 50rpx; width: 75rpx; height: 150rpx; }

3.index.js

//index.js
//CSDN微信小程序开发专栏:http://blog.csdn.net/column/details/13721.html
//获取应用实例
var app = getApp()
Page({
  data: {
    stars: [0, 1, 2, 3, 4],
    normalSrc: '../../images/normal.png',
    selectedSrc: '../../images/selected.png',
    halfSrc: '../../images/half.png',
    key: 0,//评分
  },
  onLoad: function () {
  },
  //点击右边,半颗星
  selectLeft: function (e) {
    var key = e.currentTarget.dataset.key
    if (this.data.key == 0.5 && e.currentTarget.dataset.key == 0.5) {
      //只有一颗星的时候,再次点击,变为0颗
      key = 0;
    }
    console.log("得" + key + "分")
    this.setData({
      key: key
    })

  },
  //点击左边,整颗星
  selectRight: function (e) {
    var key = e.currentTarget.dataset.key
    console.log("得" + key + "分")
    this.setData({
      key: key
    })
  }
})