vue里的共享对象示例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <my-component></my-component>
        <my-component></my-component>
    </div>
    <script>

        var data1={
            counter:0
        }
        Vue.component("my-component",{
            template:"<button @click='count'>点击事件{{counter}}</button>",
            data:function(){
                //return 处的对象引用了外部对象,那么这个对象就是共享对象
                return data1
            },
            methods:{
                count:function(){
                    data1.counter++;
                }
            }
        }
        );
        var v=new Vue({
            el:"#app"
        });
      
    </script>
</body>
</html>
posted @ 2020-05-17 21:12  玄空2  阅读(436)  评论(0编辑  收藏  举报