<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>练习：用户管理</title> <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> <!-- Bootstrap --> <link href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" rel="stylesheet"> <!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) --> <script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js"></script> <!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 --> <script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js"></script> <script> window.onload = function () { let vm = new Vue({ el: '.container', data: { users: [{ name: 'tom', age: 24, email: 'tom@itany.com' }, { name: 'jack', age: 23, email: 'jack@sina.com' } ], user: {}, nowIndex: -1 //当前要删除项的索引 }, methods: { addUser() { this.users.push(this.user); this.user = {}; }, deleteUser() { if (this.nowIndex == -1) { //删除所有 this.users = []; // this.users.length=0; } else { //从指定索引的位置开始删除 this.users.splice(this.nowIndex, 1) } } } }); } </script></head><body> <div class="container"> <h2 class="text-center">添加用户</h2> <form class="form-horizontal"> <div class="form-group"> <label for="name" class="control-label col-sm-2 col-sm-offset-2">姓 名：</label> <div class="col-sm-6"> <input type="text" class="form-control" id="name" v-model="user.name" placeholder="请输入姓名"> </div> </div> <div class="form-group"> <label for="age" class="control-label col-sm-2 col-sm-offset-2">年 龄：</label> <div class="col-sm-6"> <input type="text" class="form-control" id="age" v-model="user.age" placeholder="请输入年龄"> </div> </div> <div class="form-group"> <label for="email" class="control-label col-sm-2 col-sm-offset-2">邮 箱：</label> <div class="col-sm-6"> <input type="text" class="form-control" id="email" v-model="user.email" placeholder="请输入邮箱"> </div> </div> <div class="form-group text-center"> <input type="button" value="添 加" class="btn btn-primary" @click="addUser"> <input type="reset" value="重 置" class="btn btn-primary"> </div> </form> <hr> <table class="table table-bordered table-hover"> <caption class="h3 text-center text-info">用户列表</caption> <thead> <tr> <th class="text-center">序号</th> <th class="text-center">姓名</th> <th class="text-center">年龄</th> <th class="text-center">邮箱</th> <th class="text-center">操作</th> </tr> </thead> <tbody> <tr v-for="(user,index) in users" :key="index" class="text-center"> <td>{{index+1}}</td> <td>{{user.name}}</td> <td>{{user.age}}</td> <td>{{user.email}}</td> <td> <button class="btn btn-danger btn-sm" data-toggle="modal" data-target="#del" v-on:click="nowIndex=index">删除</button> </td> </tr> <tr> <td colspan="5" class="text-right"> <button class="btn btn-danger btn-sm" data-toggle="modal" data-target="#del" v-on:click="nowIndex=-1">删除所有</button> </td> </tr> </tbody> </table> <!-- 模态框，弹出框 --> <div class="modal fade" id="del"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <button class="close" data-dismiss="modal"> <span>×</span> </button> <h4 class="modal-title" v-show="nowIndex!==-1"> 确认要删除用户：{{users[nowIndex]?users[nowIndex].name:''}} 吗？</h4> <h4 class="modal-title" v-show="nowIndex===-1">确认要删除所有用户吗？</h4> </div> <div class="modal-body text-center"> <button class="btn btn-primary" data-dismiss="modal">取消</button> <button class="btn btn-primary" data-dismiss="modal" v-on:click="deleteUser">确认</button> </div> </div> </div> </div> </div></body></html>
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发布于：2021-12-14 16:36
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