Vue.js的组件之间通信- 动态属性传递

<template>
  <div id="myapp">
    <input type="text" v-model="myVal">
    <com-a :my-value="myVal"></com-a>
  </div></template><script>
  import ComA from './components/a.vue'
  export default {    components: {
      ComA
    },
    data () {      return {        myVal: ''
      }
    }
  }</script>

<template>
  <div class="hello">
    {{hello}}
    {{ myValue }}  </div></template><script>
  export default {//    声明number属性//    未指定类型//    props: ['number'],//    指定类型
    props: {      'my-value': [Number, String]
    },
    data () {      return {        hello: 'I am componnet a'
      }
    }
  }</script>

<com-a :my-value="myVal">
      <p>我是一个插槽</p>
      <span>123456</span></com-a>

<template>
  <div class="hello">
    {{hello}}
    {{ myValue }}
  //给插槽设置默认值    <slot>no slot</slot>
  </div></template>

<com-a :my-value="myVal"></com-a>

<slot>no slot</slot>

<template>  <div id="myapp">
    <!--具名插槽-->
    <com-a :my-value="myVal">
      <p slot="header">xxxx header</p>
      <p slot="footer">yyyy footer</p>
    </com-a>
  </div></template>