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| <!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> <div id="app">
</div> <script src="https://mirrors.idiyrom.com/web/js/vue.mini.js"></script> <script src="https://mirrors.idiyrom.com/web/js/vue-router.js"></script> <script> Vue.component("Test", { data() { return {
} }, template: ` <div class="Test"> 我是测试组件1 </div>` });
Vue.component("Test2", { data() { return {
} }, template: ` <div class="Test2"> 我是测试组件2 </div>` });
let App = { data() { return {
} }, template: ` <div> <input type="text" ref="aa"> <Test ref="bb"></Test> <Test2 ref="cc"></Test2> </div>`, mounted() { //获取焦点 //this.$refs.aa 获取原始DOM this.$refs.aa.focus(); console.log(this.$refs.bb.$parent); //获取父组件 console.log(this.$refs.bb.$root); //获取根组件 console.log(this.$children);
} };
new Vue({ el: '#app', data() { return {
} }, template: `<App></App>`, components: { App }, }); </script> </body> </html>
|