How uniapp implements using custom components to achieve page reuse

UniApp is a cross-platform development framework based on Vue.js, which can simultaneously develop applications for multiple platforms such as mini programs, H5, and Apps. In UniApp, we can use custom components to achieve page reuse and improve development efficiency. The following will introduce how to use custom components to achieve page reuse and provide code examples.

1. Create a custom component
First, create a new folder in the components directory of the UniApp project, name it custom-component, and put it in the Create a new Vue component file in the folder and name it CustomComponent.vue. In the CustomComponent.vue file, write the following code:

<template>
  <view>
    <text>{{ message }}</text>
    <button @click="addCount">增加计数</button>
  </view>
</template>

<script>
export default {
  data() {
    return {
      message: 'Hello UniApp',
      count: 0
    }
  },
  methods: {
    addCount() {
      this.count++
    }
  }
}
</script>

<style>
</style>

2. Use custom components in the page
Next, introduce the custom component into the page that needs to be reused . In the .vue file of the page, where you need to use custom components, introduce the component, and then register the component in the components attribute. For example, in pages/index/index.vue, you can use custom components as follows:

<template>
  <view>
    <custom-component></custom-component>
    <custom-component></custom-component>
  </view>
</template>

<script>
import CustomComponent from '../../components/custom-component/CustomComponent.vue'

export default {
  components: {
    CustomComponent
  }
}
</script>

<style>
</style>

3. Page reuse effect
In the above example, we Two CustomComponent components are used in the index.vue page. When we run the project, two custom components will be displayed on the page. Their functions and styles are the same, but the data is independent. Clicking the increase count button of one of the components will only increase the counter in that component and will not affect the other component.

By using custom components, we can achieve page reuse. If there are multiple pages that need to use the same function or style, you only need to introduce custom components into the corresponding pages, which greatly reduces the duplication of code writing.

Summary:
Through the above steps, we can use custom components to achieve page reuse. First, create a custom component, introduce and register it in the page where the component needs to be reused. Then, place the custom component where it needs to be reused. In this way, we can improve code reusability and development efficiency.

I hope the above content will be helpful to you, and I wish you success in the development of UniApp!

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