微信小程序全选多选效果

Posted 2021-01-16 cat糯米团

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/[e-mail]\':\'/images/[e-mail]\'}}"></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/[e-mail]\'></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/[e-mail]\'></image>
      </view>
      <view class=\'boo_img3\' data-index="{{index}}" data-name="{{item.id}}" bindtap=\'select\'>
        <image data-id=\'0\'  src="{{item.checked==true?\'/images/[e-mail]\':\'/images/[e-mail]\'}}"></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);
  },