vue2.0在table中实现全选和反选的示例代码

其实在去年小颖已经写过一篇：Vue.js实现checkbox的全选和反选

小颖今天在跟着慕课网学习vue的过程中，顺便试试如何在table中实现全选和反选，页面的css样式是直接参考慕课网的样式写的，js是小颖自己写哒，欢迎大家吐槽和点赞，嘻嘻

demo的  git 地址：ShoppingCart

页面效果：

具体怎么实现的呢？

使用localstorage来存储页面信息 中已经有写项目是怎么创建的所以小颖在这里就不重复了，其实只是在上篇文章的基础上稍微做了改动：

App.vue文件

<template>
 <div id="app">
  <router-view/>
 </div>
</template>
<script>
export default {
 name: 'app'
}

</script>
<style>
#app {
 font-family: 'Avenir', Helvetica, Arial, sans-serif;
 -webkit-font-smoothing: antialiased;
 -moz-osx-font-smoothing: grayscale;
 color: #2c3e50;
}

li,
dl,
dt,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
hgroup,
p,
blockquote,
figure,
form,
fieldset,
input,
legend,
pre,
abbr,
button {
 margin: 0;
 padding: 0;
}

ul,
ol {
 list-style: none;
 margin: 0;
 padding: 0;
}

*,
*::before,
*::after {
 box-sizing: border-box;
}

div,
p,
dl,
dt,
dd {
 margin: 0;
 padding: 0;
}

a {
 color: inherit;
 text-decoration: none;
}

.checkout-title {
 position: relative;
 margin-bottom: 41px;
 text-align: center;
}

.checkout-title::before {
 position: absolute;
 top: 50%;
 left: 0;
 content: "";
 width: 100%;
 height: 1px;
 background: #ccc;
 z-index: 0;
}

.checkout-title span {
 position: relative;
 padding: 0 1em;
 background-color: #fff;
 font-family: "moderat", sans-serif;
 font-weight: bold;
 font-size: 20px;
 color: #605F5F;
 z-index: 1;
}
</style>

home.vue文件

<template>
 <div class="container">
  <div class="checkout-title">
   <span>购物车</span>
  </div>
  <table class="product_table">
   <tbody>
    <template v-for="(list,index) in table_list">
     <tr>
      <td width="7%" min-width="94px" v-if="index===0">
       <input type="checkbox" v-model='checked' v-on:click='checkedAll'></td>
      <td width="7%" v-if="index!==0">
       <input type="checkbox" v-model='checkList' :value="list.id">
      </td>
      <td width="43%">{{list.product_inf}}</td>
      <td width="10%" v-if="index===0">{{list.product_price}}</td>
      <td width="10%" v-if="index!==0">¥{{list.product_price}}</td>
      <td width="10%">{{list.product_quantity}}</td>
      <td width="10%">{{list.total_amount}}</td>
      <td width="20%" v-if="index===0">编辑</td>
      <td width="20%" v-if="index!==0">
       <a href="#" rel="external nofollow" rel="external nofollow" class="update">修改</a>
       <a href="#" rel="external nofollow" rel="external nofollow" class="delete">删除</a>
      </td>
     </tr>
    </template>
   </tbody>
  </table>
  <div class="price_total_bottom">
   <div class="price_total_ms">
    <label>合计：{{allProductTotal}}</label>
    <router-link to="/userAddress">结账</router-link>
   </div>
  </div>
 </div>
</template>
<script>
import userAddress from './address'
export default {
 components: {
  userAddress
 },
 data() {
  return {
   table_list: [{
    'id': 0,
    'product_inf': '商品信息',
    'product_price': '商品金额',
    'product_quantity': '商品数量',
    'total_amount': '总金额'
   }, {
    'id': '1',
    'product_inf': '女士银手链',
    'product_price': 120,
    'product_quantity': 200,
    'total_amount': 24000
   }, {
    'id': '2',
    'product_inf': '女士银手镯',
    'product_price': 380,
    'product_quantity': 200,
    'total_amount': 72000
   }, {
    'id': '3',
    'product_inf': '女士银耳环',
    'product_price': 100,
    'product_quantity': 200,
    'total_amount': 20000
   }],
   checked: false,
   allProductTotal: null,
   checkList: ['1', '3']
  }
 },
 methods: {
  checkedAll: function() {
   var _this = this;
   console.log(_this.checkList);
   if (_this.checked) { //实现反选
    _this.checkList = [];
   } else { //实现全选
    _this.checkList = [];
    _this.table_list.forEach(function(item, index) {
     if (index > 0) {
      _this.checkList.push(item.id);
     }
    });
   }
  }
 },
 watch: { //深度 watcher
  'checkList': {
   handler: function(val, oldVal) {
    if (val.length === this.table_list.length - 1) {
     this.checked = true;
    } else {
     this.checked = false;
    }
   },
   deep: true
  }
 }
}

</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
.container {
 padding: 69px 0 54px 0;
}

table {
 border-collapse: collapse;
 border-color: transparent;
 text-align: center;
}

.product_table,
.product_table tbody {
 width: 100%
}

.product_table tr:first-child {
 background: #ece6e6;
 color: #e66280;
 font-size: 20px;
}

.product_table td {
 border: 1px solid #f3e8e8;
 height: 62px;
 line-height: 62px;
}

.product_table a.update:link,
.product_table a.update:visited,
.product_table a.update:hover,
.product_table a.update:active {
 color: #1CE24A;
}

.product_table a.delete:link,
.product_table a.delete:visited,
.product_table a.delete:hover,
.product_table a.delete:active {
 color: #ffa700;
}

.price_total_bottom {
 font-size: 20px;
 padding: 20px 10px;
}

.price_total_ms {
 text-align: right;
}

.price_total_bottom .price_total_ms label {
 margin-right: 100px;
}

.price_total_bottom .price_total_ms a {
 cursor: default;
 text-align: center;
 display: inline-block;
 font-size: 20px;
 color: #fff;
 font-weight: bold;
 width: 220px;
 height: 54px;
 line-height: 54px;
 border: 0;
 background-color: #f71455;
}

</style>

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。