vue+vant-UI框架实现购物车的复选框全选和反选功能

<ul v-if="shoppingListData.rows.length">
<li
v-for="(item,index) in shoppingListData.rows"
:key="index"
>
<van-checkbox
:value="item.goods_id"
v-model="item.isChecked"
checked-color="#07c160"
@click="chooseChange(item.goods_id)"
></van-checkbox>
<div class="list_details">
<div class="shop_img"><img
:src="/UploadFiles/2021-04-02/item.goods_image+'">

全选的复选框


全选的代码：


<div class="footerflex">
     <van-checkbox
      v-model="AllChecked"
      @click="checkAll"
     >全选</van-checkbox>
     <span 
     class="management" 
     v-if="managementShow"
     @click="management()"
     >管理</span>
     <span 
     class="finish"
     v-if="finishShow"
     @click="management()"
     >完成</span>
     <van-button type="default" class='delete' @click="sureDel()" v-if="finishShow">删除</van-button>
     <div v-if="managementShow">
      <span class="summation">合计</span>
      <i>{{ totalPrice }}</i>
      <van-button type="default" class="pay" @click="closeAnAccount()">结算</van-button>
     </div>
    </div>


单选的change事件

代码：


// 单选的change事件
  chooseChange(id) {
   if (this.selectedData.indexOf(id) > -1) {
    this.remove(this.selectedData, id);
   } else {
    this.selectedData.push(id);
   }
   if (this.selectedData.length < this.shoppingListData.total) {
    this.AllChecked = false;
   } else {
    this.AllChecked = true;
   }
   console.log(this.selectedData);
  }


全选的JS

全选的代码：


// 全选和反选
  checkAll() {
   let list = this.shoppingListData.rows;
   if (this.AllChecked) {
    list.forEach(element => {
     element.isChecked = false;
    });
    this.selectedData = [];
   } else {
    list.forEach(element => {
     element.isChecked = true;
     if (this.selectedData.indexOf(element.goods_id) < 0) {
      this.selectedData.push(element.goods_id);
     }
    });
    console.log(this.selectedData);
   }
  },


数组删除


代码


//数组删除
  remove(arr, val) {
   var index = arr.indexOf(val);
   if (index > -1) {
    arr.splice(index, 1);
   }
  }


总结
以上所述是小编给大家介绍的vue+vant-UI框架实现购物车的复选框全选和反选功能，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！

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