vue事件

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <style type="text/css">
            .div1{
                width: 300px;
                height: 300px;
                margin: 0 auto;
                background: skyblue;
            }
        </style>
        <script src="js/vue.js" type="text/javascript" charset="utf-8"></script>
    </head>
    <body>
        <div id="app">
            <div class="div1" :style="{ background:color }" @click = 'changeColor($event,1)'>
                
            </div>
            
            <ul>
                <li v-for='(item,index) in list' @click='getIndex($event,index)' :data-index='index' >{{item}}</li>
            </ul>
        </div>
        <script type="text/javascript">
            var app = new Vue({
                el:'#app',
                data:{
                    color:'skyblue',
                    list:[1,2,3,4]
                },
                methods:{
                    changeColor:function(e,index){
                        console.log(e)
                        console.log(index)
                        this.color = 'pink'
                    },
                    getIndex(e,index){
                        console.log(e)
                        console.log(index)
                        console.log(e.target.dataset.index)//这种事件传值的方式，可以适用任何地方
                    }
                }
            })
        </script>
    </body>
</html>