vue实现学生录入系统之添加删除功能
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2022-03-20 15:29:02
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
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
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