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  • 2vue

    事件 v-on:click=“handle"

    @click="handle"

    handle创建在methods里

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>Document</title>
        
    </head>
    <body>
        <div id="app1">
           
            <div v-text='num'></div>
            <button v-on:click='num++'>点我</button><br>
            <button @click='handle'>点我2</button><br>
        </div>
        <script type="text/javascript" src="../vue.js"></script>
        <script type="text/javascript">
            var vm = new Vue({
                el:'#app1',
                data: {
                    num:0
                },
                methods: {
                    handle: function() {
                        this.num++
                    }
                }
            })
        </script>
    </body>
    </html>

     事件参数传递

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>Document</title>
        
    </head>
    <body>
        <!-- 如果事件直接绑定函数名称,那么默认会传递事件对象作为事件函数的第一个参数,
        如果事件绑定函数调用,那么事件对象必须作为最后一个参数$event显示传递 -->
        <div id = "app1">
            <div v-text="num"></div>
            <button v-on:click="handle1">点击</button>
            <button @click="handle2(123,456,$event)">点击1</button>
        </div>
        <script src="vue.js"></script>
        <script>
            var vue1 = new Vue({
                el: '#app1',
                data:{
                    num:0
                },
                methods:{
                    handle2:function(p,p1,event){
                        console.log(p,p1),
                        console.log(event.target.innerHTML)
                        this.num++
                    },
                    handle1:function(event){
                        console.log(event.target.innerHTML)
                    }
                }
            })
        </script>
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/gao-chao/p/13397593.html
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