效果如下图所示，输入用户名和年龄，点击添加，数据会自动添加到下面的用户信息表内。当没有数据时，用户信息表显示：暂无数据……，当有数据时，显示 删除全部 按钮，这里为了方便快捷，我没有做删除按钮的弹出框，所以 点击删除按钮 会直接删除掉当前这条数据。
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<script src="https://unpkg.com/vue/dist/vue.js"></script>
</head>
<body>
<div class="container" id="box">
<form role="form">
<div class="form-group">
<label for="username">用户名：</label>
<input type="text" id="username" class="form-control" placeholder="请输入用户名" v-model="username" />
</div>
<div class="form-group">
<label for="age">年龄：</label>
<input type="text" id="age" class="form-control" placeholder="请输入年龄" v-model="age" />
</div>
<div class="form-group">
<input type="button" value="添加" class="btn btn-primary" v-on:click="add()" />
<input type="reset" value="重置" class="btn btn-danger" />
</div>
</form>
<hr>
<table class="table table-bordered table-hover">
<caption class="text-center">用户信息表</caption>
<tr class="text-danger">
<th class="text-center">序号</th>
<th class="text-center">名字</th>
<th class="text-center">年龄</th>
<th class="text-center">操作</th>
</tr>
<tr class="text-center" v-for="(item, index) in myData">
<td>{{index+1}}</td>
<td>{{item.name}}</td>
<td>{{item.age}}</td>
<td>
<button class="btn btn-primary btn-sm" v-on:click="deleteMsg(index)">删除</button>
</td>
</tr>
<tr v-show="myData.length!==0">
<td colspan="4" class="text-right">
<button class="btn btn-danger" v-on:click="all()">删除全部</button>
</td>
</tr>
<tr v-show="myData.length==0">
<td colspan="4" class="text-center text-muted">
<p>暂无数据……</p>
</td>
</tr>
</table>
</div>
<script>
window.onload = function(){
new Vue({
el:"#box",
data:{
myData:[],
username:‘‘,
age:‘‘
},
methods:{
add:function(){
this.myData.push({
name:this.username,
age:this.age
});
this.username=‘‘;
this.age=‘‘;
},
deleteMsg:function(index){
this.myData.splice(index,1)
},
all:function(){
this.myData = [];
}
}
})
}
</script>
</body>
</html>
时间： 2024-08-03 19:27:04