實例詳解vue2.0在table中實現全選和反選

本文主要介紹了vue2.0在table中實現全選和反選的範例程式碼，小編覺得挺不錯的，現在分享給大家，也給大家做個參考。一起跟著小編過來看看吧，希望能幫助大家。

demo的  git 位址：ShoppingCart

頁面效果：

具體怎麼實現的呢？

使用localstorage來儲存頁面資訊中已經有寫項目是怎麼創建的所以小穎在這裡就不重複了，其實只是在上篇文章的基礎上稍微做了改動：

App.vue檔案

<template>
 <p id="app">
  <router-view/>
 </p>
</template>
<script>
export default {
 name: &#39;app&#39;
}

</script>
<style>
#app {
 font-family: &#39;Avenir&#39;, 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>

home.vue檔案

<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=&#39;checked&#39; v-on:click=&#39;checkedAll&#39;></td>
      <td width="7%" v-if="index!==0">
       <input type="checkbox" v-model=&#39;checkList&#39; :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 &#39;./address&#39;
export default {
 components: {
  userAddress
 },
 data() {
  return {
   table_list: [{
    &#39;id&#39;: 0,
    &#39;product_inf&#39;: &#39;商品信息&#39;,
    &#39;product_price&#39;: &#39;商品金额&#39;,
    &#39;product_quantity&#39;: &#39;商品数量&#39;,
    &#39;total_amount&#39;: &#39;总金额&#39;
   }, {
    &#39;id&#39;: &#39;1&#39;,
    &#39;product_inf&#39;: &#39;女士银手链&#39;,
    &#39;product_price&#39;: 120,
    &#39;product_quantity&#39;: 200,
    &#39;total_amount&#39;: 24000
   }, {
    &#39;id&#39;: &#39;2&#39;,
    &#39;product_inf&#39;: &#39;女士银手镯&#39;,
    &#39;product_price&#39;: 380,
    &#39;product_quantity&#39;: 200,
    &#39;total_amount&#39;: 72000
   }, {
    &#39;id&#39;: &#39;3&#39;,
    &#39;product_inf&#39;: &#39;女士银耳环&#39;,
    &#39;product_price&#39;: 100,
    &#39;product_quantity&#39;: 200,
    &#39;total_amount&#39;: 20000
   }],
   checked: false,
   allProductTotal: null,
   checkList: [&#39;1&#39;, &#39;3&#39;]
  }
 },
 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
  &#39;checkList&#39;: {
   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>

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