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结合前面的vue指令做了个小例子,用户在表单里面输入用户名和年龄,点击“添加”以后会保存到用户信息表里面
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="renderer" content="webkit"> <link rel="stylesheet" href="resources/css/bootstrap.min.css"/> <title></title> </head> <body> <div class="container" id="box"> <form role="form"> <div class="form-group"> <label for="uName">用户名:</label> <!--.form-control 类的 <input>、<textarea> 和 <select> 元素都将被默认设置宽度属性为 width: 100%;--> <input type="text" id="uName" class="form-control" v-model="userName"> </div> <div class="form-group"> <label for="age">年 龄:</label> <input type="text" id="age" class="form-control" v-model="userAge"> </div> <div class="form-group"> <input type="button" value="添加" class="btn btn-primary" @click="add"> <input type="reset" value="重置" class="btn btn-success"> </div> </form> <hr> <table class="table table-bordered table-hover"> <caption class="h3 text-center">用户信息表</caption> <thead> <tr class="text-info"> <th class="text-center">序号</th> <th class="text-center">名字</th> <th class="text-center">年龄</th> <th class="text-center">操作</th> </tr> </thead> <tbody> <tr class="text-center" v-for="item in myData"> <td>{{$index+1}}</td> <td>`item`.`name`</td> <td>`item`.`age`</td> <td><button class="btn btn-info btn-sm" data-toggle="modal" data-target="#layer" @click="nowIndex=$index">删除</button></td> </tr> <tr class="text-right" v-show="myData.length!=0"> <td colspan="4"> <button class="btn btn-danger btn-sm" data-toggle="modal" data-target="#layer" @click="nowIndex=-2">全部删除</button> </td> </tr> <tr class="text-center text-muted" v-show="myData.length==0"> <td colspan="4"><p>暂无数据……</p></td> </tr> </tbody> </table> <!--模态框 弹出框--> <div class="modal fade" role="dialog" 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> <h5 class="modal-title">确认删除吗?</h5> </div> <div class="modal-body text-right"> <button type="button" class="btn btn-default" data-dismiss="modal">取消</button> <button type="button" class="btn btn-primary" data-dismiss="modal" @click="remove(nowIndex)">确认</button> </div> </div> </div> </div> </div> <script src="resources/js/jquery-1.9.1.min.js"></script> <script src="resources/js/bootstrap.min.js"></script> <script src="resources/js/vue.js"></script> <script> var vm = new Vue({ el:'#box', data:{ myData:[], userName:'', userAge:'', nowIndex:'-100' //需要特别注意nowIndex的用法 }, methods:{ add:function(){ this.myData.push({ name: this.userName, age: this.userAge }); this.userName=''; this.userAge=''; }, remove:function(n){ if(n==-2){//如果点击的是“全部删除”,则清空整个数组 this.myData=[]; }else{//如果点击的是单行内的“删除”,则删除该行即可 this.myData.splice(n,1) } } } }) </script> </body> </html>
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