时间:2021-07-01 10:21:17 帮助过:4人阅读
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,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持!