vue实现仿淘宝结账页面实例代码

<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' @click='checkedAll'>
 </td>
 <td width="7%" v-if="index!==0">
 <input type="checkbox" v-model='checkList' :value="list.id" @click=checkProductFun(index,$event)>
 </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%" v-if="index===0">{{list.product_quantity}}</td>
 <td width="10%" v-if="index!==0">
 <a class="numbers plus" href="javascript:void(0)" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" @click="changeMoney(index,-1)">-</a>
 <input class="txt_number" type="text" v-model="list.product_quantity" size="1" disabled>
 <a class="numbers reduce" href="javascript:void(0)" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" @click="changeMoney(index,1)">+</a>
 </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="javascript:void(0)" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="update">修改</a>
 <a href="javascript:void(0)" rel="external nofollow" rel="external nofollow" 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': 100,
 'product_quantity': 10,
 'total_amount': 1000
 }, {
 'id': '2',
 'product_inf': '女士银手镯',
 'product_price': 200,
 'product_quantity': 5,
 'total_amount': 1000
 }, {
 'id': '3',
 'product_inf': '女士银耳环',
 'product_price': 50,
 'product_quantity': 10,
 'total_amount': 500
 }],
 checked: false,
 allProductTotal: null,
 checkList: ['1', '3']
 }
 },
 mounted: function() {
 var _this = this;
 // 根据data中默认勾选的checkbox，计算当前勾选的商品总价
 _this.allProductTotal = 0;
 this.checkList.forEach(function(element1, index1) {
 _this.table_list.forEach(function(element2, index2) {
 if (element1 == element2.id) {
 _this.$set(_this.table_list[index2], 'checked', true);
 _this.allProductTotal += element2.product_price * element2.product_quantity;
 }
 });
 });
 },
 methods: {
 checkedAll: function() {
 var _this = this;
 _this.allProductTotal = 0;
 if (_this.checked) { //实现反选
 _this.checkList = [];
 _this.table_list.forEach(function(item, index) {
 if (_this.table_list[index].checked) {
 _this.table_list[index].checked = false;
 }
 });
 } else { //实现全选
 _this.checkList = [];
 _this.table_list.forEach(function(item, index) {
 if (index > 0) {
 _this.checkList.push(item.id);
 if (!_this.table_list[index].checked) {
 _this.$set(_this.table_list[index], 'checked', true);
 } else {
 _this.table_list[index].checked = true;
 }
 if (item.checked) {
 _this.allProductTotal += item.product_price * item.product_quantity;
 }
 }
 });
 }
 },
 checkProductFun(index, event) { //根据checkbox是否勾选，计算勾选后的商品总价
 var _this = this;
 _this.allProductTotal = 0;
 if (event.target.checked) {
 if (!_this.table_list[index].checked) {
 _this.$set(_this.table_list[index], 'checked', true);
 }
 } else {
 if (_this.table_list[index].checked) {
 _this.table_list[index].checked = false;
 }
 }
 this.table_list.forEach(function(item, index) {
 if (item.checked) {
 _this.allProductTotal += item.product_price * item.product_quantity;
 }
 });
 },
 changeMoney: function(index, way) {
 if (way > 0) {
 this.table_list[index].product_quantity++;
 } else {
 this.table_list[index].product_quantity--;
 if (this.table_list[index].product_quantity < 1) {
 this.table_list[index].product_quantity = 1;
 }
 }
 this.calcTotalPrice();
 },
 calcTotalPrice: function() {
 var _this = this;
 _this.allProductTotal = 0;
 this.table_list.forEach(function(item, index) {
 if (index > 0) { //因为第一行为表头不需要进行计算
 item.total_amount = item.product_price * item.product_quantity; //根据商品数量计算每一个商品对应的总金额
 }
 if (item.checked) {
 _this.allProductTotal += item.product_price * item.product_quantity; //根据是否否选该商品的checkbox，计算总价
 }
 });
 },
 },
 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;
}
.product_table .txt_number {
 text-align: center;
}
.product_table .numbers {
 font-weight: bold;
}
.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>