组件父传子 - weakup

<!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">
     <div style="background:yellow;">根组件标题</div>

     <navbar myname="电影" :myright="false" :myparent="parent">
     </navbar>
     <navbar myname="影院" :myparent="parent"></navbar>
     <navbar myname="登录" :myparent="parent"></navbar>
  </div>

  <script>
    Vue.component("navbar",{
      // props:["myname","myright"], //接受myname属性，  this.myname
      
      // props:{
      //   myname:String,
      //   myright:Boolean
      // },//接受myname属性， 属性验证

      props:{       
         myname:{
           type:String,
           default:""
         },
         myright:{
           type:Boolean,
           default:true
         },
         myparent:{
           type:String,
           default:""
         }
      },//接受myname属性， 属性验证, 默认属性

      template:`<div>
        <button>left</button>
        <span>{{myname}}--{{myparent}}</span>  
        <button v-show="myright">right</button>  
        
      </div>`
    })    
    new Vue({
      el:"#box",
      data:{
        parent:"11111111111111111111111111"
      }
    })//创建根组件

</script>
</body>

</html>
posted on 2022-03-27 14:36 weakup 阅读(27) 评论(0) 收藏举报
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