vue.js实现仿淘宝结账页面实例分享

虽然Vue最强大的是组件化开发，但是其实多页面开发也蛮适合的，下本文是小编给大家分享的vue实现仿淘宝结账页面实例代码，主要功能是仿照淘宝页面的结算购物车商品时自动算出合计价格的页面，希望能帮助到大家。

这个demo，是小编基于之前的 vue2.0在table中实现全选和反选  文章进行更新后的demo，主要功能呢，是仿照淘宝页面的结算购物车商品时自动算出合计价格的页面，具体页面效果请看下面的动图：（如果大家发现有什么问题请及时提出帮小颖改正错误呦，谢谢啦嘻嘻）

效果图：

更新后的home.vue

<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; @click=&#39;checkedAll&#39;>
   </td>
   <td width="7%" v-if="index!==0">
    <input type="checkbox" v-model=&#39;checkList&#39; :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>
 <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;: 100,
  &#39;product_quantity&#39;: 10,
  &#39;total_amount&#39;: 1000
  }, {
  &#39;id&#39;: &#39;2&#39;,
  &#39;product_inf&#39;: &#39;女士银手镯&#39;,
  &#39;product_price&#39;: 200,
  &#39;product_quantity&#39;: 5,
  &#39;total_amount&#39;: 1000
  }, {
  &#39;id&#39;: &#39;3&#39;,
  &#39;product_inf&#39;: &#39;女士银耳环&#39;,
  &#39;product_price&#39;: 50,
  &#39;product_quantity&#39;: 10,
  &#39;total_amount&#39;: 500
  }],
  checked: false,
  allProductTotal: null,
  checkList: [&#39;1&#39;, &#39;3&#39;]
 }
 },
 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], &#39;checked&#39;, 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.$set(_this.table_list[index], &#39;checked&#39;, true);
   } else {
    _this.table_list[index].checked = true;
   }
   if (item.checked) {
    _this.allProductTotal += item.product_price * item.product_quantity;
   }
   }
  });
  }
 },
 checkProductFun(index, event) { //根据checkbox是否勾选，计算勾选后的商品总价
  var _this = this;
  _this.allProductTotal = 0;
  if (event.target.checked) {
  if (!_this.table_list[index].checked) {
   _this.$set(_this.table_list[index], &#39;checked&#39;, 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
 &#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;
}
.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>

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