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vue2.0在table中实现全选和反选

分类: 文章 • 2023-11-27 18:51:04

      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

      慕课网demo的  git 地址：ShoppingCart

      页面效果：

vue2.0在table中实现全选和反选

具体怎么实现的呢？

因为上篇文章：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：

vue2.0在table中实现全选和反选

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">&yen;{{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="#" class="update">修改</a>
              <a href="#" 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>

 

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