vue學習筆記第一天-vue.js簡易留言板
阿新 • • 發佈：2017-08-14
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title></title> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> <meta name="apple-mobile-web-app-capable" content="yes"><meta name="apple-mobile-web-app-status-bar-style" content="black"> <style> </style> <link rel="stylesheet" href="lib/bootstrap.min.css"> <script src="lib/jquery-1.7.2.js"></script> <script src="lib/bootstrap.js"></script> <script src="vue.js"></script> <script> window.onload=function(){ new Vue({ el:‘#box‘, data:{ myData:[], username:‘‘, age:‘‘, nowIndex:-100 //確定刪除的index的初始值}, methods:{ add:function(){ this.myData.push({ name:this.username, //myData=[name:‘‘,age:‘‘] age:this.age }); this.username=‘‘; this.age=‘‘; }, deleteMsg:function(n){ if(n==-2){ this.myData=[]; //給index一個狀態，當是這個狀態的時候全部刪除，不是這個狀態的時候index為0，1，2.... }else{ this.myData.splice(n,1); //一個一個刪除的時候 ，splice（n,m.‘‘）從n開始刪除m個元素,從n開始增加‘‘元素 } } } }); }; </script> </head> <body> <div class="container" id="box"> <form role="form"> <div class="form-group"> <label for="username">用戶名:</label> <input type="text" id="username" class="form-control" placeholder="輸入用戶名" v-model="username"> </div> <div class="form-group"> <label for="age">年 齡:</label> <input type="text" id="age" class="form-control" placeholder="輸入年齡" v-model="age"> </div> <div class="form-group"> <input type="button" value="添加" class="btn btn-primary" v-on:click="add()"> <input type="reset" value="重置" class="btn btn-danger"> </div> </form> <hr> <table class="table table-bordered table-hover"> <caption class="h3 text-info">用戶信息表</caption> <tr class="text-danger"> <th class="text-center">序號</th> <th class="text-center">名字</th> <th class="text-center">年齡</th> <th class="text-center">操作</th> </tr> <tr class="text-center" v-for="item in myData"> <td>{{$index+1}}</td> <td>{{item.name}}</td> <td>{{item.age}}</td> <td> <button class="btn btn-primary btn-sm" data-toggle="modal" data-target="#layer" v-on:click="nowIndex=$index">刪除</button> </td> </tr> <tr v-show="myData.length!=0"> <td colspan="4" class="text-right"> <button class="btn btn-danger btn-sm" v-on:click="nowIndex=-2" data-toggle="modal" data-target="#layer" >刪除全部</button> </td> </tr> <tr v-show="myData.length==0"> <td colspan="4" class="text-center text-muted"> <p>暫無數據....</p> </td> </tr> </table> <!--模態框 彈出框--> <div role="dialog" class="modal fade bs-example-modal-sm" id="layer"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <button type="button" class="close" data-dismiss="modal"> <span>×</span> </button> <h4 class="modal-title">確認刪除麽?</h4> </div> <div class="modal-body text-right"> <button data-dismiss="modal" class="btn btn-primary btn-sm">取消</button> <button data-dismiss="modal" class="btn btn-danger btn-sm" v-on:click="deleteMsg(nowIndex)">確認</button> </div> </div> </div> </div> </div> </body> </html>
vue學習筆記第一天-vue.js簡易留言板