購物車
摘要：
index.html:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>購物車示例</title>
...
index.html:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>購物車示例</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div id="app" v-cloak>
<template v-if="list.length">
<thead>
<tr>
<th></th>
<th>商品名稱</th>
<th>購買單價</th>
<th>購買數量</th>
<th>操作</th>
</tr>
</thead>
<tbody>
<tr v-for="(item, index) in list">
<td>{{ index + 1 }}</td>
<td>{{ item.name }}</td>
<td>{{ item.price }}</td>
<td>
<button
@click="handleReduce(index)"
:disabled="item.count === 1">-</button>
{{ item.count }}
<button @click="handleAdd(index)">+</button>
</td>
<td>
<button @click="handleReduce(index)">移除</button>
</td>
</tr>
</tbody>
<div>總價: $ {{ totalPrice }}</div>
</template>
<div v-else>購物車為空</div>
</div>
<script src="https://unpkg.com/vue/dist/vue.min.js"></script>
<script src="index.js"></script>
</body>
</html>
index.js:
var app = new Vue ({ el: '#app', data: { list: [ { id: 1, name: 'iPhone x', price: 6799, count: 1 }, { id: 2, name: 'iPad+Pro/">iPad Pro', price: 9999, count: 1 }, { id: 3, name: 'MacBkko Pro', price: 25999, count: 1 } ], a: 5 }, computed: { totalPrice: function () { var total = 0; for (var i = 0; i < this.list.length; i++) { var item = this.list[i]; total += item.price * item.count; } return total.toString().replace(/\B(?=(\d{3})+$)/g,','); } }, methods: { handleReduce: function (index) { if (this.list[index].count === 1) return; this.list[index].count--; }, handleAdd: function (index) { this.list[index].count++; }, handleRemove: function () { this.list.splice(index, 1); } } })
style.css:
[v-cloak] {
disPlay: none;
}
table {
border: 1px solid #e9e9e9;
border-collapse: collapse;
border-spacing: 0;
empty-cells: show;
}
th,td {
padding: 8px 16px;
border: 1px solid #e9e9e9;
text-align: left;
}
th {
background: #f7f7f7;
color: #5c6b77;
font-weight: 600;
white-space: nowrap;
}