The difference between vue custom components and third parties

With the rapid development of front-end frameworks, more and more developers are beginning to use Vue to build web applications. Vue provides the function of custom components, allowing developers to encapsulate commonly used UI components to achieve code reuse and improve development efficiency. At the same time, Vue also allows the use of third-party component libraries to integrate components that have been packaged in advance. However, developers need to pay attention to some differences when using custom components and third-party component libraries to avoid conflicts or inconsistencies.

Custom components

Vue provides the function of custom components. Developers can register custom components in Vue instances to enhance the functionality of Vue applications. Custom components are components that are extended based on HTML tags and include multiple aspects such as views, styles, behaviors, and logic, which can improve code reusability.

In Vue, custom components need to be registered through component options, including component name, template, data, etc., and then imported and used in the Vue instance. The following is a simple example of a custom component:

<template>
  <div class="my-component">
    <h2 id="title">{{ title }}</h2>
    <p>{{ content }}</p>
  </div>
</template>

<script>
  export default {
    name: 'my-component',
    props: {
      title: String,
      content: String
    }
  }
</script>

<style>
  .my-component {
    background-color: #f1f1f1;
    border: 1px solid #ccc;
    padding: 10px;
  }
  h2 {
    font-size: 18px;
    color: #333;
  }
  p {
    font-size: 14px;
    color: #666;
  }
</style>

The above code defines a component named my-component, which contains a title and a piece of content. Among them, title and content are the props of the component and can be passed in from the parent component. In HTML, the component can be used through the tag name:

<template>
  <div>
    <my-component title="Hello" content="World"></my-component>
  </div>
</template>

<script>
  import MyComponent from '@/components/MyComponent.vue'

  export default {
    name: 'app',
    components: {
      'my-component': MyComponent
    }
  }
</script>

In the above code, the custom component MyComponent is imported through the import statement, and then in Vue Register in the components option of the instance. In HTML, this component can be used using the my-component tag.

Third-party component library

When using Vue to develop applications, you can also reference third-party component libraries to improve development efficiency. There are many excellent third-party component libraries in the Vue community, such as Element-UI, iView, Ant-Design, etc., which can help developers quickly build UI interfaces.

When using a third-party component library, you need to install the component library first, and then introduce the components you need to use. Taking Element-UI as an example, the installation method is as follows:

npm install element-ui --save

Then in the Vue application, you can introduce the components you need to use through the import statement:

<template>
  <el-button type="primary">按钮</el-button>
</template>

<script>
  import { Button } from 'element-ui'

  export default {
    name: 'app',
    components: {
      'el-button': Button
    }
  }
</script>

In In the above code, the Button component is imported through the import statement, and then registered in the components option of the Vue instance. In HTML, this component can be used using the el-button tag.

The difference between custom components and third-party component libraries

Both custom components and third-party component libraries can improve the efficiency of Vue application development, but there are some differences between them that require development Note to readers:

1. Custom components can be fully customized according to your own needs, including views, styles, behaviors, logic, etc.; while third-party component libraries provide some pre-customized components. Components, developers can configure and modify styles according to their own needs.
2. Custom components can be developed according to your own business needs, with higher flexibility and customization; while third-party component libraries need to be used according to the API and styles they provide, which may not be possible for some special needs. satisfy.
3. Custom components can be better integrated with the application, and the separation of business code and component code is clearer; while third-party component libraries require additional installation and dependency management, which requires additional installation and dependency management of the application. Performance and functionality are affected.
4. The maintenance and upgrade of custom components are entirely the responsibility of the developers themselves, which require continuous maintenance, updates and optimization of the components; while third-party component libraries have extensive support and development in the community and can be used in a timely manner Get updated and optimized.

In short, custom components and third-party component libraries are common technical means in Vue development. Developers need to consider business needs, development efficiency, code quality and other aspects when choosing to use it in order to develop better.

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