Vue通道 

<!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="./js/vue.js"></script>
</head>
<body>
    <div id="app">
         <parent></parent>
    </div>
    <script>
       Vue.component('child',{
           template:`
           <div></div>
           `,
           data:function(){
               return {
                   childStr: 'I am your son!'
               };
           },
           mounted:function(){
               console.log('子组件的mount:'+this.$parent.parentStr);
           }
       });

       Vue.component('parent',{
           template:`
           <div>
                <child ref="mySon"></child>
                <input type="button" value="获得子组件信息" @click="getData">
            </div>
           `,
           data:function(){
               return {
                   parentStr:'I am your father!'
               }
           },
           methods:{
               getData:function(){
                   console.log('获得子组件信息:'+this.$refs.mySon.childStr);
               }
           }
       });


        var vm = new Vue({
            el:"#app"
        })
    </script>
 
</body>
</html>

　　

 

 

 

 

 

posted @ 2021-02-26 16:19  田野与天  阅读(258)  评论(0)    收藏  举报