在html页面中利用vue+element写购物车

话不多说上代码~~

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta count="viewport" content="width=device-width, initial-scale=1.0">
    <title>购物车页面</title>
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
    <style>
        #app{
            width: 1700px;
            margin: 0 auto;
            background-color: #eeee;
        }
        .totalPrice{
            color: tomato;
            padding: 0 10px;
            font-size: 20px;
            background-color: #eee;
            height: 80px;
            line-height: 80px;
        }
        .totalPrice span{
            color: #000;
        }
        .rmb{
            color: tomato;
        }
        .header{
            height: 30px;
        }
        .hLeft{
            font-weight: 600;
            padding-left: 10px;
        }
        .hRight{
            float: right;
            display: inline-block;
            padding: 0 50px 0 0;
        }
    </style>
</head>
<body>
    <div id="app">
        <div class="header">
            <span class="hLeft">全部商品</span>
            <span class="hRight">
                已选商品:
                <span style="color: tomato;">{{totalCount}}</span>
            </span>
        </div>
        <el-table
            ref="multipleTable"
            :data="tableData"
            tooltip-effect="dark"
            style="width: 100%"
            @selection-change="handleSelectionChange">
            <el-table-column
            type="selection"
            width="55">
            </el-table-column>
            <el-table-column
            label="商品信息"
            width="600"
            >
            <template slot-scope="scope">{{ scope.row.storeName }}</template>
            </el-table-column>
            <el-table-column
            align="center"
            prop="count"
            label="数量"
            
            >
            <template slot-scope="scope">
                <el-input-number v-model="scope.row.count" @change="handleChange(scope.row)" :min="1" :max="200" label="描述文字"></el-input-number>
            </template>
            </el-table-column>
            <el-table-column
            prop="price"
            label="单价"
            show-overflow-tooltip>
            <template slot-scope="scope">
                <span class="rmb">¥</span>
                {{scope.row.price}}
            </template>
            </el-table-column>
            <el-table-column
            prop="je"
            label="小计"
            show-overflow-tooltip>
            <template slot-scope="scope">
                <span class="rmb">¥</span>
                {{scope.row.je}}
            </template>
            </el-table-column>
            <el-table-column
                fixed="right"
                label="操作"
                width="120">
                <template slot-scope="scope">
                    <el-button
                    @click.native.prevent="deleteRow(scope.$index, tableData)"
                    type="text"
                    size="small">
                    移除
                    </el-button>
                </template>
            </el-table-column>
        </el-table>
        <div class="totalPrice">
            <span >结算：</span>
            ¥
            <span>{{totalPrice}}</span>
        </div>
        
    </div>
</body>
  <!-- import Vue before Element -->
  <script src="https://unpkg.com/vue/dist/vue.js"></script>
  <!-- import JavaScript -->
  <script src="https://unpkg.com/element-ui/lib/index.js"></script>
  <script>
    new Vue({
      el: '#app',
      data: function() {
        return {
            tableData: [{
                storeName: '粮油03',
                count: 2,
                price: 200,
                je:'',
                }, {
                storeName: '粮油02',
                count: 1,
                price: 100,
                je:'',
                }, {
                storeName: '粮油04',
                count: 3,
                price: 100,
                je:'',
                }, {
                storeName: '粮油01',
                count: 4,
                price: 100,
                je:'',
                }, {
                storeName: '粮油08',
                count: 6,
                price: 100,
                je:'',
                }, {
                storeName: '粮油06',
                count: 10,
                price: 100,
                je:'',
                }, {
                storeName: '粮油07',
                count: 1,
                price: 100,
                je:'',
            }],
            multipleSelection: [],
            // 总价
            totalPrice:0,
            // 已选商品
            totalCount:0,
  
        }
      },
      mounted(){
        this.tableData.filter(item=>{
            item.je = item.count*item.price
            return item
        })
      },
      methods:{
          // 计数器变化
        handleChange(row) {
          console.log('数量',row);
          this.tableData.filter(item=>{
            if(item.storeName==row.storeName){
                item.je = item.count*item.price
                return item
            }
          })
          // 2.计算总价
          this.total()
        },
        // 计算总价
        total(){
          this.totalPrice=0
          this.totalCount=0
          if(this.multipleSelection){
            this.multipleSelection.forEach(item1=>{
                this.tableData.forEach(item2=>{
                    if(item1.storeName==item2.storeName){
                        this.totalPrice += item2.je
                        console.log('item2',item2)
                        this.totalCount+=item2.count
                    }
                })
            })
          }
        },
        // 删除
        deleteRow(index, rows) {
            rows.splice(index, 1);
              // 2.计算总价
            this.total()
        },
        toggleSelection(rows) {
            if (rows) {
            rows.forEach(row => {
                this.$refs.multipleTable.toggleRowSelection(row);
            });
            } else {
            this.$refs.multipleTable.clearSelection();
            }
        },
        handleSelectionChange(val) {
            this.multipleSelection = val;
            // 2.计算总价
            this.total()
            console.log('选中')
        }
    }
      
 
    })
  </script>
</html>