Communication between components in Vue.js - dynamic property transfer

This time I will bring you the communication between Vue.js components - dynamic property transfer, communication between Vue.js components - what are the precautions for dynamic attribute transfer , the following is a practical case, let’s take a look.

The content in the form is dynamically displayed in the sub-component

<template>
  <div>
    <input>
    <com-a></com-a>
  </div></template><script>
  import ComA from &#39;./components/a.vue&#39;
  export default {    components: {
      ComA
    },
    data () {      return {        myVal: &#39;&#39;
      }
    }
  }</script>

Sub-component a.vue

<template>
  <div>
    {{hello}}
    {{ myValue }}  </div></template><script>
  export default {//    声明number属性//    未指定类型//    props: [&#39;number&#39;],//    指定类型
    props: {      &#39;my-value&#39;: [Number, String]
    },
    data () {      return {        hello: &#39;I am componnet a&#39;
      }
    }
  }</script>

Communication between components - Dynamic attribute transfer

Slot slot
Pass a template to the child component

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

com-a component

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

If there is no content in the passed slot, it is empty

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

Set the default value for the slot

<slot>no slot</slot>

Then display

Named 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>

com-a component

execution result:

I believe you have mastered the method after reading the case in this article, more Please pay attention to php Chinese websiteOther related articles for exciting content!

Recommended reading:

Event binding of Vue.js - Form event binding

vue of Vue.js Tag attributes and conditional rendering

The above is the detailed content of Communication between components in Vue.js - dynamic property transfer. For more information, please follow other related articles on the PHP Chinese website!