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vue学习笔记第一天-vue.js简易留言板

2024-11-27 11:57:38   203人阅读

<!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   //确定删除的index的初始值
                },
                methods:{
                    add:function(){
                        this.myData.push({
                            name:this.username,      //myData=http://www.mamicode.com/[name:‘‘,age:‘‘]>this.age
                        });

                        this.username=‘‘;
                        this.age=‘‘;
                    },
                    deleteMsg:function(n){
                        if(n==-2){
                            this.myData=[]; //给index一个状态，当是这个状态的时候全部删除，不是这个状态的时候index为0，1，2....
                        }else{
                            this.myData.splice(n,1);  //一个一个删除的时候 ，splice（n,m.‘‘）从n开始删除m个元素,从n开始增加‘‘元素
                        }
                    }
                }
            });
        };
    </script>
</head>
<body>
    <div class="container" id="box">
        <form role="form">
            <div class="form-group">
                <label for="username">用户名:</label>
                <input type="text" id="username" class="form-control" placeholder="输入用户名" v-model="username">
            </div>
            <div class="form-group">
                <label for="age">年　龄:</label>
                <input type="text" id="age" class="form-control" placeholder="输入年龄" 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">用户信息表</caption>
            <tr class="text-danger">
                <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>
            <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">删除</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" >删除全部</button>
                </td>
            </tr>
            <tr v-show="myData.length==0">
                <td colspan="4" class="text-center text-muted">
                    <p>暂无数据....</p>
                </td>
            </tr>
        </table>

        <!--模态框 弹出框-->
        <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>&times;</span>
                        </button>
                        <h4 class="modal-title">确认删除么?</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)">确认</button>
                    </div>
                </div>
            </div>
        </div>
    </div>
</body>
</html>

 

vue学习笔记第一天-vue.js简易留言板


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