UniApp realizes perfect integration of Vue.js framework

UniApp realizes the perfect integration of the Vue.js framework

Introduction:
UniApp is a cross-platform development tool based on the Vue.js framework. It can compile a Vue.js project into multiple Applications for different platforms, such as iOS, Android, applets, etc. The advantage of UniApp is that it allows developers to write only one set of code to adapt to multiple platforms at the same time, speeding up development efficiency and reducing development costs. The following will introduce how to use UniApp to achieve perfect integration of the Vue.js framework, with code examples attached.

1. Environment setup:
First, you need to install Node.js and Vue CLI. Node.js is a Javascript running environment used to install and manage UniApp related dependencies. Vue CLI is a scaffolding tool for creating Vue.js projects. After the installation is complete, enter the following command to install UniApp CLI:

npm install -g @vue/cli @vue/cli-service-global

2. Create a UniApp project:
Use Vue CLI to create a new UniApp project. Enter the following command on the command line to initialize the project:

vue create -p dcloudio/uni-preset-vue my-project

Here, we selected UniApp’s official preset template uni-preset-vue. Then, enter the project directory:

cd my-project

3. Write Vue.js components:
In the src directory, we can see a pages directory, which is used to place our page components. Create a directory named index in the pages directory, and then create an index.vue file in this directory. In index.vue, we can write Vue.js code as follows:

<template>
  <view>
    <text>Welcome to UniApp</text>
  </view>
</template>

<script>
export default {
  
}
</script>

<style>
</style>

In this code, we use the d477f9ce7bf77f53fbcf36bec1b69b7a tag to define the HTML structure of the page, 31acd3562f037a1e3f7c91c2969ad96b tag is used to define the style of the page.

4. Configure routing:
In UniApp, you can jump between pages by configuring routing. In the src directory, create a new file named router.js, and then write the following code:

import Vue from 'vue'
import Router from 'uni-simple-router'

Vue.use(Router)

const router = new Router({
  routes: [{
    path: '/pages/index/index',
    name: 'index'
  }]
})

router.beforeEach((to, from, next) => {
  next()
})

export default router

In this code, we first introduce Vue and uni-simple-router, and use Vue.use( ) to register. Then, create a router instance and define a route named index using the routes configuration. Finally, route interception is performed through the router.beforeEach() method to ensure that some operations are performed before each route switch.

5. Configure the entry file:
In the src directory, open the main.js file and write the following code:

import Vue from 'vue'
import App from './App'
import router from './router'

Vue.config.productionTip = false

const app = new Vue({
  ...App,
  router
})
app.$mount()

export default {
  config: {
    pages: [
      'pages/index/index'
    ],
    window: {
      backgroundTextStyle: 'light',
      navigationBarBackgroundColor: '#fff',
      navigationBarTitleText: 'UniApp',
      navigationBarTextStyle: 'black'
    }
  }
}

In this code, the Vue and App components are first introduced. And configured the router in the Vue instance. Then, create a Vue instance through new Vue(), mount it to the app, and finally mount the Vue instance to the page through app.$mount(). In the export default section, we configure the page's entry file and related window styles.

6. Run the UniApp project:
Enter the following command in the command line to run the UniApp project:

npm run dev:mp-weixin

Here we have chosen to run the UniApp project of the WeChat applet version. If you need to run For other versions, you can add corresponding parameters after the command, such as dev:h5, dev:app, etc.

Through the above steps, we have successfully achieved the perfect integration of UniApp and the Vue.js framework. Developers can write Vue.js code through UniApp and use UniApp to compile it into applications for multiple different platforms. In this way, developers only need to write one set of code to adapt to multiple platforms at the same time, which greatly improves development efficiency and reduces development costs.

Summary:
UniApp is a cross-platform development tool based on the Vue.js framework, through which a Vue.js project can be compiled into multiple applications for different platforms. In this article, we introduce how to use UniApp to achieve perfect integration of the Vue.js framework and provide corresponding code examples. I hope this article can help developers understand and use UniApp and facilitate their cross-platform development.

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