简单的todolist的demo

放上代码：

 1 <!DOCTYPE html>
 2 <html lang="zh">
 3 <head>
 4     <meta charset="UTF-8">
 5     <script src="https://unpkg.com/vue/dist/vue.js"></script>
 6     <title></title>
 7     <style type="text/css">
 8         #div_form{
 9             border:1px solid #990000;
10             width: 50%;
11         }
12     </style>
13 </head>
14 
15 <body>
16     <div id="div_form">
17         <form>
18             <label for="input_id">TODO:</label>
19             <input type="text" id="input_id" placeholder="e" v-model="input_data"/>
20             <button @click.prevent="Add">Add</button>
21         </form>
22         
23         <ul>
24             <li
25             is="todo-item"
26             v-for="(todo,title) in todos"
27             :key="todo.id"
28             :title="todo.title"
29             v-on:remove="todos.splice(title, 1)"
30             ></li>
31         </ul>
32         
33         <!-- <div v-for="(value,name) in todos">
34             {{todos[name].id}}
35         </div> -->
36     </div>
37     
38     <script type="text/javascript">
39         Vue.component('todo-item',{
40             template:`
41             <li>
42               {{ title }}
43               <button v-on:click="$emit('remove')">Remove</button>
44             </li>
45             `,
46             props: ['title']
47         })
48         
49         
50         new Vue({
51             el:"#div_form",
52             data:{
53                 input_data:'',
54                 todos:[
55                     {
56                         id:1,
57                         title:'sfdsf',
58                     },
59                     {
60                         id:2,
61                         title:'dsad',
62                     },
63                     {
64                         id:3,
65                         title:"fdsfdsf",
66                     },
67                 ],
68                     nextTodoId: 4
69             },
70             methods:{
71                 Add:function(){
72                     this.todos.push({
73                         id: this.nextTodoId++,
74                         title: this.input_data
75                     })
76                     this.input_data = ''
77                 }
78             }
79         })
80     </script>
81 </body>
82 </html>

 

放上效果图：

 

 

 

 

 

 

posted @ 2019-10-22 16:54  阿蒙不萌  阅读(502)  评论(0)  编辑  收藏  举报