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HomeWeb Front-endVue.jsHow to define a component in vue.js

There are three ways to define a component in Vue.js: directly define it in the <script> tag and export the component object, create it using the component factory function and defineComponent auxiliary function, and use a class to define the component and inherit Vue.extend to create it. . </script>

How to define a component in vue.js

How to define components in Vue.js

1. Direct definition

  1. In the <script></script> tag, use export default {} to export the component object:

    <script>
    export default {
      // 组件内容
    }
    </script>
  2. In the <template></template> tag, define the component layout:

    <template>
      <div>组件内容</div>
    </template>

2. Use the component factory function

  1. Create a factory function and use defineComponent Auxiliary function:

    import { defineComponent } from 'vue'
    
    export default defineComponent({
      // 组件内容
    })
  2. The component layout is the same as the direct definition above.

3. Use classes to define components

  1. InheritanceVue.extend Create a class:

    import Vue from 'vue'
    
    export default class MyComponent extends Vue {
      // 组件内容
    }
  2. Registered component:

    // 在 Vue 实例中
    this.$options.components.MyComponent = MyComponent

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