<code>
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<link type="text/css" rel="stylesheet" href="http://cdn.bootcss.com/bootswatch/3.3.7/cerulean/bootstrap.css"/>
</head>
<body>
<div id="app" class="container">
<table class="table table-condensed table-bordered ">
<tr>
<th>书名</th>
<th>价格</th>
<th>数量</th>
<th>总价</th>
<th>操作</th>
</tr>
<tr v-for="book in books">
<td>{{book.name}}</td>
<td>{{book.price}}</td>
<td>
<button type="button" v-on:click="book.count--">-</button>
<input type="text" v-model="book.count"/>
<button type="button" v-on:click="book.count++">+</button>
</td>
<td>{{book.price*book.count}}</td>
<td>
<button type="button" class="btn btn-danger" v-on:click="remove(book)">删除</button>
</td>
</tr>
<tr>
<td colspan="5">合计：{{total}}</td>
</tr>
</table>
<form>
<div class="form-group">
<label for="bookname">书名</label>
<input type="email" class="form-control" id="bookname" v-model="addbook.name">
</div>
<div class="form-group">
<label for="bookprice">价格</label>
<input type="number" class="form-control" id="bookprice" v-model="addbook.price">
</div>
<div class="form-group">
<label for="bookcount">数量</label>
<input type="number" class="form-control" id="bookcount" v-model="addbook.count">
</div>
<button type="button" class="btn btn-primary" v-on:click="add()">Submit</button>
</form>
</div>
<script type="text/javascript" src="vue.js"></script>
<script type="text/javascript" charset="utf-8">
var app = new Vue({
el: "#app",
data: {
books: [
{name: "vue.js", price: 10, count: 1},
{name: "react.js", price: 20, count: 1},
{name: "angular.js", price: 30, count: 1},
{name: "node.js", price: 40, count: 1}
],
addbook: {name: "", price: "", count: ""}
},
methods: {
remove: function (book) {
var index = this.books.indexOf(book);
if (index !== -1) {
this.books.splice(index, 1);
}
},
add: function () {
this.books.push({name:this.addbook.name,price:this.addbook.price,count:this.addbook.count});
this.addbook= {name: "", price: "", count: ""}
}
},
computed: {
total: function () {
var total = 0;
this.books.forEach(function (item, index, input) {
total += item.price * item.count;
});
return total;
}
}
})
</script>
</body>
</html>
</code>