vue基础之事件v-onclick="函数"用法示例
更新时间:2019年03月11日 08:42:17 作者:白杨-M
这篇文章主要介绍了vue基础之事件v-onclick="函数"用法,结合实例形式分析了vue.js事件v-on:click="函数"的data数据添加、点击响应、以及留言本功能相关操作技巧,需要的朋友可以参考下
本文实例讲述了vue基础之事件v-onclick=函数用法。分享给大家供大家参考,具体如下:
v-on:click/mouseout/mouseover/dblclick/mousedown.....
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>www.jb51.net 为data添加数据</title> <style> </style> <script src="https://cdn.bootcss.com/vue/2.4.4/vue.min.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>
运行效果:
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>www.jb51.net 点击按钮,div显示/消失,切换。v-show="a"</title> <style> </style> <script src="https://cdn.bootcss.com/vue/2.4.4/vue.min.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="width: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>www.jb51.net vue简易留言本</title> <style> </style> <link rel="stylesheet" href="https://cdn.bootcss.com/twitter-bootstrap/2.3.2/css/bootstrap.min.css" rel="external nofollow" > <script src="http://libs.baidu.com/jquery/1.7.2/jquery.min.js"></script> <script src="https://cdn.bootcss.com/twitter-bootstrap/2.3.2/js/bootstrap.js"></script> <script src="https://cdn.bootcss.com/vue/2.4.4/vue.min.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,index) 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>×</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>
运行效果:
感兴趣的朋友可以使用在线HTML/CSS/JavaScript代码运行工具:http://tools.jb51.net/code/HtmlJsRun测试上述代码运行效果。
希望本文所述对大家vue.js程序设计有所帮助。
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