三十二、小程序根据下标对数组中的某个对象的元素进行赋值

XHTML

<view class='right'>
        <text bindtap='label' class="{{item.bobo==true ? 'labelColor':''}}" data-index="{{index}}" data-bobo="{{item.bobo}}" wx:for="{{labelArr}}">{{item.name}}</text>
      </view>


JS
 // 标签内容
    labelArr:[
      {
        name: "服务态度好",
        bobo:true,
      },
      {
        name: "排队时间短",
        bobo: false,
      },
      {
        name: "效率高",
        bobo: false,
      },
      {
        name: "门店环境好",
        bobo: false,
      },
      {
        name: "很专业",
        bobo:false,
      },
    ],



  // 标签
  label:function(e){
    var that = this;
    var index = e.currentTarget.dataset.index;
    debugger
    var boo = that.data.labelArr[index].bobo;
    console.log(e.currentTarget.dataset.bobo);
    var labelArr = that.data.labelArr;
    if(boo == false){
      var bool = "labelArr[" + index + "].bobo";
      that.setData({
        [bool]:true
      })
    }else {
      var bool = "labelArr[" + index + "].bobo";
      that.setData({
        [bool]: false
      })
    }
  },