vue实现学生录入系统之添加删除功能
时间：2020-12-15 01:11:05|栏目：vue|点击： 次
一.案例代码
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>vue指令综合案例</title>
<style>
#app{
margin: 50px auto;
width: 620px;
}
fieldset{
border: 2px solid plum;
margin-bottom: 20px;
}
fieldset input{
width: 200px;
height: 30px;
margin: 10px 0;
}
table{
width: 620px;
border: 2px solid plum;
text-align: center;
}
thead{
background-color: plum;
}
</style>
</head>
<body>
<div id="app">
<fieldset>
<legend>学生录入系统</legend>
<div>
<span>姓名：</span>
<input type="text" placeholder="请输入姓名" v-model="student.name"/>
<span></span>
</div>
<div>
<span>年龄：</span>
<input type="text" placeholder="请输入年龄" v-model="student.age"/>
</div>
<div>
<span>性别：</span>
<select v-model="student.sex">
<option value="男">男</option>
<option value="女">女</option>
</select>
</div>
<div>
<span>QQ：</span>
<input type="text" placeholder="请输入QQ" v-model="student.QQ"/>
</div>
<button @click="createNewStudent()">创建新用户</button>
</fieldset>
<table>
<thead>
<tr>
<td>姓名</td>
<td>年龄</td>
<td>性别</td>
<td>QQ</td>
<td>删除</td>
</tr>
</thead>
<tbody>
<tr v-for="(p,index) in persons">
<td>{{p.name}}</td>
<td>{{p.age}}</td>
<td>{{p.sex}}</td>
<td>{{p.QQ}}</td>
<td><button @click="deleteStudentMsg(index)">删除</button></td>
</tr>
</tbody>
</table>
</div>
<script type="text/javascript" src="js/jquery.js" ></script>
<script type="text/javascript" src="js/vue.js" ></script>
<script>
//1.创建Vue的实例
let vm=new Vue({
el:'#app',
data:{
persons:[
{name:'张三',age:16,sex:'男',QQ:'123456'},
{name:'李四',age:17,sex:'男',QQ:'100000'},
{name:'王麻子',age:18,sex:'女',QQ:'666666'},
{name:'赵六',age:19,sex:'男',QQ:'888888'},
{name:'刘七',age:20,sex:'女',QQ:'999999'}
],
student:{name:'',age:0,sex:'男',QQ:''}
},
methods:{
//创建一条新记录
createNewStudent(){
//姓名不能为空
if(this.student.name==''){
alert('姓名不能为空');
return;
}
//年龄不能小于0
if(this.student.age<0){
alert('请输入正确年龄');
return;
}
//QQ
if(this.student.age==''){
alert('请输入正确年龄');
return;
}
//往数组中添加一条新记录
this.persons.unshift(this.student);
//清空数据
this.student={name:'',age:0,sex:'男',QQ:''};
},
//删除
deleteStudentMsg(index){
this.persons.splice(index,1);
}
}
});
</script>
</body>
</html>
二.结果
总结
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本文标题：vue实现学生录入系统之添加删除功能
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