vue2.0在table中全选和反选

<template>
 <p id="app">
 <router-view/>
 </p>
</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;
}
p,
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>

<template>
 <p class="container">
 <p class="checkout-title">
 <span>购物车</span>
 </p>
 <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>
 <p class="price_total_bottom">
 <p class="price_total_ms">
 <label>合计：{{allProductTotal}}</label>
 <router-link to="/userAddress">结账</router-link>
 </p>
 </p>
 </p>
</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>