<!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="lib/vue.js"></script> </head> <body> <div id="box"> <input type="text" ref="mytext"/> <input type="password" ref="mypassword"/> <div ref="mydiv">111111</div> <button @click="handleAdd">add</button> <child ref="mychild"></child> </div> <script> Vue.component("child",{ data(){ return { myname:"child-111111111111111111111" } }, template:`<div> child---{{myname}} </div>` }) new Vue({ el:"#box", methods:{ handleAdd(){ // console.log(this.$refs.mytext,this.$refs.mypassword,this.$refs.mydiv) // console.log(this.$refs.mychild.myname) this.$refs.mychild.myname="child-2222222222222222" } } }) /* ref -绑定dom节点，拿到的就是 dom对象 ref -绑定组件，拿到的就是 组件对象 */ </script> </body> </html>
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