概要:

1、实现删除功能。

2、实现增加功能。

代码:

css

table,td{
border: 1px solid #ccc;
border-collapse: collapse;
}
table,fieldset{
width: 1090px;
margin:20px auto;
text-align: center;
}

html

<div id="app">
<table>
<tr>
<th>ID</th>
<th>书名</th>
<th>作者</th>
<th>价格</th>
<th>操作</th>
</tr>

<!-- 循环输出数据 -->
<tr v-for="(book,index) in books">
<td>{{book.id}}</td>
<td>{{book.name}}</td>
<td>{{book.author}}</td>
<td>{{book.price}}</td>
<!-- 点击删除,即将newBooks增添到book里面 -->
<td><input @click="del(index)" type="button" value="删除"></td>
</tr>
</table>

<fieldset>
<legend>添加新书</legend>
<p>书名:<input v-model="newBooks.name" type="text"></p>
<p>作者:<input v-model="newBooks.author" type="text"></p>
<p>价格:<input v-model="newBooks.price" type="text"></p>
<!-- 点击增加,即将newBooks增添到book里面 -->
<p><button @click="add">添加</button></p>
</fieldset>
</div>

js

new Vue({
el:'#app',
data:{
books:[
{id:1,name:'三国演义',author:'罗贯中',price:88.88},
{id:2,name:'红楼梦',author:'曹雪芹',price:88.88},
{id:3,name:'水浒传',author:'施耐庵',price:88.88},
{id:4,name:'西游记',author:'吴承恩',price:88.88},
],
newBooks:{
id:0,
name:'',
author:'',
price:'',
}
},
methods:{
del:function(idx){
this.books.splice(idx,1);//删除
},
add:function(){
var maxId=0;
//找出最大ID
for(var i=0;i<this.books.length;i++){
if(maxId<this.books[i].id){
maxId=this.books[i].id;
}
}
this.newBooks.id=maxId+1;
this.books.push(this.newBooks);//追加
this.newBooks={};//清空
}

}
});