demo738.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>

    <div id="app">
        <table>
            <thead>
                <tr>
                    <th></th>
                    <th>书籍名称</th>
                    <th>出版日期</th>
                    <th>价格</th>
                    <th>购买数量</th>
                    <th>操作</th>
                </tr>
            </thead>
            <tbody>
                <tr v-for="item in books">
                    <td>{{item.id}}</td>
                    <td>{{item.name}}</td>
                    <td>{{item.data}}</td>
                    <td>{{item.price}}</td>

                    <td>
                        <button>-</button> {{item.count}}
                        <button>+</button>
                    </td>
                    <td>
                        <button>移除</button>
                    </td>
                </tr>
            </tbody>
        </table>
    </div>
    <script src="./js/vue.js">
    </script>
    <script src="./js/main.js">
    </script>
    <script>
    </script>
</body>

</html>

main.js

const app = new Vue({
    el: '#app',
    data: {
        books: [{
            id: 1,
            name: '算法导论',
            data: '2006-9',
            price: 85.00,
            count: 1
        }, {
            id: 2,
            name: '算法导论',
            data: '2006-9',
            price: 85.00,
            count: 1
        }, {
            id: 3,
            name: '算法导论',
            data: '2006-9',
            price: 85.00,
            count: 1
        }, {
            id: 4,
            name: '算法导论',
            data: '2006-9',
            price: 85.00,
            count: 1
        }, ]
    },
    methods: {

    },
    filters: {
        getFinal(price) {
            return '$' + price.toFixed(2)
        }
    }
})

运行结果