Vue通过ref父子组件拿值方法

 
 <script src="https://cdn.bootcss.com/vue/2.3.2/vue.min.js"></script>



 



<script>
 new Vue({
  el: '#box',
  components: {
   'v-tpl1': {
    template: '#tpl1',
    data(){
     return {
      msg1: 'msg1'
     }
    },
    methods: {
     //父组件定义一个方法通过refs拿到子组件的值
     getChild(){
      console.log(this.$refs.shit.msg2)
     }
    },
    components: {
     'v-tpl2': {
      template: '#tpl2',
      data(){
       return {
        msg2: 'msg2'
       }
      }
     }
    }
   }
  }
 })
</script>

 
 <script src="https://cdn.bootcss.com/vue/2.3.2/vue.min.js"></script>



 



<script>
 new Vue({
  el: '#box',
  components: {
   'v-tpl1': {
    template: '#tpl1',
    data(){
     return {
      msg1: 'msg1'
     }
    },
    components: {
     'v-tpl2': {
      template: '#tpl2',
      data(){
       return {
        msg2: 'msg2'
       }
      },
      methods:{
       getParent(){
        console.log(this.$parent.msg1)
       }
      }
     }
    }
   }
  }
 })
</script>