微信小程序全选多选效果

效果图：

代码：

wxml

 <view class=‘hei_top‘>
    <view class=‘hei_p‘>共
      <text>4</text> 场</view>
    <view class=‘hei_ps‘ bindtap=‘selectAll‘>
      <image data-statue="selectilall" src="{{selectilall?‘/images/[email protected]‘:‘/images/[email protected]‘}}"></image>
      <text>全选</text>
    </view>
  </view>
  <view class=‘boo‘ wx:for="{{list}}">
    <view class=‘boo_top‘>明日11:00</view>
    <view class=‘boo_li‘>
      <view class=‘boo_img1‘>
        <text class=‘raankstyle‘>{{item.id}}</text>
      </view>
      <view class=‘boo_img2‘>
        <image src=‘/images/[email protected]‘></image>
      </view>
      <view class=‘boo_text‘>活塞</view>
      <view class=‘boo_text1‘>@</view>
      <view class=‘boo_text‘>掘金</view>
      <view class=‘boo_img2‘>
        <image src=‘/images/[email protected]‘></image>
      </view>
      <view class=‘boo_img3‘ data-index="{{index}}" data-name="{{item.id}}" bindtap=‘select‘>
        <image data-id=‘0‘  src="{{item.checked==true?‘/images/[email protected]‘:‘/images/[email protected]‘}}"></image>
      </view>
    </view>
  </view>

.js

data: {
    list: [
      { id: 1, name: 1, checked: false },
      { id: 2, name: 2, checked: false },
      { id: 3, name: 3, checked: false },
      { id: 4, name: 4, checked: false },
    ],
    selectilall:false
  },

//单选
  select: function (e) {
    let selectValue = e.currentTarget.dataset.name
    let index = e.currentTarget.dataset.index;
    let list = this.data.list
    let newli = ‘list[‘ + index + ‘].checked‘;
    this.setData({
      [newli]: !this.data.list[index].checked
    })
    //let li2 = this.data.list[index].checked
    //if (li2 == false) {
    // for (let i in this.data.select) {
    // if (this.data.select[i] == selectValue) {
    //this.data.select.splice(i, 1);
    //}
    // }
    //} else {
    //this.data.select.push(selectValue);
    //}
    console.log(this.data.select)
  },
  //全选，取消全选
  selectAll: function (e) {
    let list = this.data.list;
    let selectilall = this.data.selectilall;
    if (selectilall==false){
      for (let i = 0; i < list.length; i++) {
        let newli = ‘list[‘ + i + ‘].checked‘;
        //carts[i].selected = this.data.selectedAllStatus;
        //this.data.select.push(this.data.list[i].id);
        this.setData({
          //[newli]: !this.data.list[i].checked
          [newli]: true,
          selectilall: true
        })
      }
    }else{
      for (let i = 0; i < list.length; i++) {
        let newli = ‘list[‘ + i + ‘].checked‘;
        //carts[i].selected = this.data.selectedAllStatus;
        //this.data.select.push(this.data.list[i].id);
        this.setData({
          //[newli]: !this.data.list[i].checked
          [newli]: false,
          selectilall: false
        })
      }
    }

    console.log(list);
  },

原文地址：https://www.cnblogs.com/lstory/p/9791090.html