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vue实现学生录入系统之添加删除功能

程序员文章站 2022-06-24 08:46:09
一.案例代码

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

vue实现学生录入系统之添加删除功能

总结

以上所述是小编给大家介绍的vue实现学生录入系统之添加删除功能,希望对大家有所帮助