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>

 

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