id和name为什么报没有定义

<head>
    <meta charset="utf-8">
    <title></title>
    <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script>
    <style type="text/css">
        * {
            margin: 0 auto;
            padding: 0;
        }

        .book {}
    </style>

</head>
<body>
    <div id="app">
        <div class="da">
            <div class="book">
                <div>
                    <label for="id">
                        编号：
                        <input type="text" id="id" v-model='id' />
                    </label>
                    <label for="name">
                        名称：
                    </label>
                    <input type="text" id="name" v-model='name' />
                    <button @click="handle">提交</button>
                </div>
            </div>
        </div>
        <thead>
            <table border="1" width="500" height="200">
                <th>编号</th>
                <th>名称</th>
                <th>时间</th>
                <th>操作</th>
                </tr>
        </thead>
        <tr :key='item.id' v-for='item in bosl'>
            <td>{{item.id}}</td>
            <td>{{item.name}}</td>
            <td>{{item.date}}</td>
            <td>
                <a href="" @click.prevent>修改</a> <!-- prevent阻止默认跳转 -->
                <span>|</span>
                <a href="" @click.prevent>删除</a>
            </td>
        </tr>

        </table>


    </div>
    </div>
</body>
<script type="text/javascript">
    var mv = new Vue({
        el: '#app',
        data: {
            bosl: [{
                    id: 1,
                    name: '王者',
                    date: ''
                },
                {
                    id: 2,
                    name: '穿越',
                    date: ''
                },
                {
                    id: 3,
                    name: '飞车',
                    date: ''
                },
                {
                    id: 4,
                    name: 'HTML',
                    date: ''
                },

            ]
        },
        methods: {
            handle: function() {
                var book = {};
                book.id = this.id;
                book.name = this.name;
                book.date = "";
                this.bosl = plus(book);
                //清空表单
                this.id = '';
                this.name = '';
            }
        }
    });
</script>

img

我稍微改了点就行了，能渲染出来了

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <div class="da">
            <div class="book">
                <div>
                    <label for="id">
                        编号：
                        <input type="text" id="id" v-model='id'/>
                    </label>
                    <label for="name">
                        名称：
                    </label>
                    <input type="text" id="name" v-model='name'/>
                    <button @click="handle">提交</button>
                </div>
            </div>
        </div>
        <thead>
            <table border="1" width="500" height="200">
                <th>编号</th>
                <th>名称</th>
                <th>时间</th>
                <th>操作</th>
                </tr>
        </thead>
        <tr :key='item.id' v-for='item in bosl'>
            <td>{{item.id}}</td>
            <td>{{item.name}}</td>
            <td>{{item.date}}</td>
            <td>
                <a href="" @click.prevent>修改</a> <!-- prevent阻止默认跳转 -->
                <span>|</span>
                <a href="" @click.prevent>删除</a>
            </td>
        </tr>
        </table>
    </div>
    <script src="../js/vue.js"></script>
    <script>
        new Vue({
            el: '#app',
            data: {
                bosl: [{
                        id: 1,
                        name: '王者',
                        date: ''
                    },
                    {
                        id: 2,
                        name: '穿越',
                        date: ''
                    },
                    {
                        id: 3,
                        name: '飞车',
                        date: ''
                    },
                    {
                        id: 4,
                        name: 'HTML',
                        date: ''
                    },
                ]
            },
            methods: {
                handle: function() {
                    var book = {};
                    book.id = this.id;
                    book.name = this.name;
                    book.date = "";
                    this.bosl = plus(book);
                    //清空表单
                    this.id = '';
                    this.name = '';
                }
            }
        });
    </script>
</body>
</html>

id和name需要在data里定义啊。要不然没法使用

在加上这个就不报错了，
img

模板上使用的数据需要在data中定义

img