Vue指令练习实例-学生信息录入
很好的一个可以感受Vue.js的MVVM模型,数据和模型双向绑定的实例练习。html lang="en">head>meta charset="UTF-8">title>vue指令title>style>#app{margin: 50px auto;width:600px;
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很好的一个可以感受Vue.js的MVVM模型,数据和模型双向绑定的实例练习。
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>vue指令</title>
<style>
#app{
margin: 50px auto;
width:600px;
}
fieldset {
border:1px solid orangered;
margin-bottom: 20px;
}
fieldset input {
width: 200px;
height:20px;
margin: 10px 0;
}
table {
width: 600px;
border:2px solid orangered;
text-align: center;
}
thead {
background-color: orangered;
}
</style>
</head>
<body>
<div id="app">
<!--第一部分-->
<fieldset>
<legend>学生信息录入系统</legend>
<div>
<span>姓名:</span>
<input type="text" placeholder="请输入姓名" v-model="newStudent.name">
</div>
<div>
<span>年龄:</span>
<input type="text" placeholder="请输入年龄" v-model="newStudent.age">
</div>
<div>
<span>性别:</span>
<select v-model="newStudent.sex">
<option value="男">男</option>
<option value="女">女</option>
</select>
</div>
<div>
<span>手机:</span>
<input type="text" placeholder="请输入手机号码" v-model="newStudent.phone">
</div>
<button @click="createNewStudent()">创建新用户</button>
</fieldset>
<!--第二部分-->
<table>
<thead>
<tr>
<td>姓名</td>
<td>性别</td>
<td>年龄</td>
<td>手机</td>
<td>删除</td>
</tr>
</thead>
<tbody>
<tr v-for="(p,index) in persons">
<td>{{p.name}}</td>
<td>{{p.sex}}</td>
<td>{{p.age}}</td>
<td>{{p.phone}}</td>
<td>
<button @click="deleteStudentMsg(index)">删除</button>
</td>
</tr>
</tbody>
</table>
</div>
<script src="js/vue.min.js"></script>
<script>
new Vue({
el:'#app',
data:{
persons:[
{name:'张三',age:20,sex:'男',phone:'15473124380'},
{name:'李四',age:20,sex:'男',phone:'15373124380'},
{name:'王五',age:20,sex:'男',phone:'15273124380'},
{name:'赵六',age:20,sex:'女',phone:'15173124380'},
],
newStudent : {name:'',age:0,sex:'男',phone:''}
},
methods: {
//创建一条新纪录
createNewStudent() {
//姓名不能为空
if(this.newStudent.name ==='') {
alert('姓名不能为空');
return;
}
//年龄不能小于0
if(this.newStudent.age <= 0) {
alert('请输入正确的年龄');
return;
}
//年龄不能小于0
if(this.newStudent.phone ==='') {
alert('手机号码不正确');
return;
}
//往数组中添加一条新纪录
this.persons.unshift(this.newStudent);
//清空记录
this.newStudent = {name:'',age:0,sex:'男',phone:''}
},
//删除一条学生记录
deleteStudentMsg(index) {
this.persons.splice(index,1);
}
}
});
</script>
</body>
</html>
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