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vuejs实战第五章课后习题.html
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vuejs实战第五章课后习题.html
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<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
</head>
<body>
<div id="app">
<el-table
:data="tableData"
style="width:100%">
<el-table-column
prop="id"
label=""
width="100">
</el-table-column>
<el-table-column
prop="name"
label="商品名称"
width="100">
</el-table-column>
<el-table-column
prop="price"
label="商品单价"
width="100">
</el-table-column>
<el-table-column
prop="count"
label="购买数量"
width="200">
<template slot-scope="scope">
<el-row>
<el-col :span="4"><span class="el-icon-plus" @click="plus(scope.$index)"></span></el-col>
<el-col :span="3" push="1">{{scope.row.count}}</el-col>
<el-col :span="4" push="2"><span class="el-icon-minus" @click="minus(scope.$index)"></span></el-col>
</el-row>
</template>
</el-table-column>
<el-table-column
prop="action"
label="操作"
width="100">
<template slot-scope="scope">
<el-button @click="handleCilck(scope.$index, tableData)">移除</el-button>
</template>
</el-table-column>
</el-table>
<div>
总价：{{ TotalPrice }}
</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 {
num: 1,
tableData: [{
id: '1',
name: 'iPhone 7',
price: 6188,
count: 1,
action: '操作',
},{
id: '2',
name: 'iPad Pro',
price: 5888,
count: 1,
action:'操作',
},{
id: '3',
name: 'Macbook Pro',
price: 214888,
count: 1,
action: '操作',
}]
}
},
methods:{
handleCilck: function(index, tableData){
tableData.splice(index, 1);
},
plus: function(index){
this.tableData[index].count++;
},
minus: function(index){
this.tableData[index].count--;
}
},
computed: {
TotalPrice: function(){
let totalPrice = 0;
this.tableData.forEach(function(v){
totalPrice+=v.count;
})
return totalPrice;
}
}
})
</script>
</html>