• vue教程1-04 事件 v-on:click="函数"


    vue教程1-04 事件 v-on:click="函数"  

    v-on:click/mouseout/mouseover/dblclick/mousedown.....

    实例:为data添加数据

    实例,点击按钮,div显示/隐藏切换

    实例,vue实现简易留言本

    事件:
            v-on:click="函数"
    
            v-on:click/mouseout/mouseover/dblclick/mousedown.....
    
            new Vue({
                el:'#box',
                data:{ //数据
                    arr:['apple','banana','orange','pear'],
                    json:{a:'apple',b:'banana',c:'orange'}
                },
                methods:{
                    show:function(){    //方法,这里是show,不能用alert
                        alert(1);
                    }
                }
            });

    实例:为data添加数据

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title> </title>
        <style>
        </style>
        <script src="vue.js"></script>
        <script>
            window.onload=function(){
                new Vue({
                    el:'#box',
                    data:{ //数据
                        arr:['apple','banana','orange','pear'],
                        json:{a:'apple',b:'banana',c:'orange'}
                    },
                    methods:{
                        add:function(){
                            this.arr.push('tomato');//this指代new Vue(),也是data
                        }
                    }
                });
            };
        </script>
    </head>
    <body>
        <div id="box">
            <input type="button" value="按钮" v-on:dblclick="add()">
            <br>
            <ul>
                <li v-for="value in arr">
                    {{value}}
                </li>
            </ul>
        </div>
    </body>
    </html>

     实例:点击按钮,div显示/消失,切换。v-show="a"

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title></title>
        <style>
        </style>
        <script src="vue.js"></script>
        <script>
            window.onload=function(){
                new Vue({
                    el:'#box',
                    data:{ //数据
                        a:true
                    },
                    methods:{
                        adjust:function(){
                            console.log(this.a);
                            if(this.a == true){
                                this.a = false;
                            }else{
                                this.a = true;
                            }
                        }
                    }
                });
            };
        </script>
    </head>
    <body>
        <div id="box">
            <input type="button" value="按钮" v-on:click="adjust()">
            <div style="100px; height:100px; background: red" v-show="a">
    
            </div>
        </div>
    </body>
    </html>

     实例:vue简易留言本

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title></title>
        <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:'',
                        name:'',
                        age:'',
                        nowIndex:-100
                    },
                    methods:{
                        add:function(){
                            this.myData.push({
                                name:this.username,
                                age:this.age
                            });
    
                            this.username='';
                            this.age='';
                        },
                        deleteMsg:function(n){
                            if(n==-2){
                                this.myData=[];
                            }else{
                                this.myData.splice(n,1);
                            }
                        }
                    }
                });
            };
        </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>

     

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  • 原文地址:https://www.cnblogs.com/baiyangyuanzi/p/6761067.html
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