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HomeWeb Front-endVue.jsNewsletter application development based on Vue: Real-time data synchronization using Firebase Cloud Firestore

基于Vue的时事通讯应用开发:利用Firebase Cloud Firestore实现实时数据同步

Vue-based newsletter application development: using Firebase Cloud Firestore to achieve real-time data synchronization, specific code examples are required

Introduction:
With the rapid development of the Internet , people's attention and demand for current affairs are also getting higher and higher. Today, many people want to be able to stay up to date with the latest news and hot topics anytime and anywhere. To meet this need, we can develop a Vue-based newsletter application and use Firebase Cloud Firestore to achieve real-time data synchronization. This article will introduce you to the development process based on Vue and Firebase, and provide detailed code examples.

1. Preparation:

  1. Install Node.js and Vue CLI.
  2. Create a new Vue project, name it "news-app", and enter the project directory.

2. Create a Firebase project:

  1. Enter the Firebase official website (https://firebase.google.com/) and log in with your Google account.
  2. Click "Get Started" to create a new project.
  3. In the project console, click "Add Application" and select "Web".
  4. Enter the name of the application, such as "NewsApp", and then click "Register Application".
  5. In the configuration code below, copy the contents of the "firebaseConfig" object.

3. Install Firebase dependencies:

  1. Open the terminal and enter the "news-app" project directory.
  2. Run the following command to install Firebase related dependencies:

    npm install firebase
  3. Create a new folder in the src directory and name it "firebase".
  4. Create a new file in the "firebase" folder and name it "config.js".
  5. In the "config.js" file, paste the "firebaseConfig" object copied before and export it:

    export default {
      // 粘贴firebaseConfig对象
    }

4. Initialize Firebase:

  1. Import Firebase and "firebase/config" files in the "main.js" file:

    import firebase from 'firebase/app'
    import 'firebase/firestore'
    import firebaseConfig from './firebase/config'
  2. Initialize Firebase:

    firebase.initializeApp(firebaseConfig)
  3. Create a Firebase Firestore instance:

    const db = firebase.firestore()
  4. Add the Firestore instance to the Vue prototype for access throughout the app:

    Vue.prototype.$db = db

5. Create a news list page:

  1. Create a new file in the "src/views" directory and name it "NewsList.vue".
  2. In the "NewsList.vue" file, write the following template code:

    <template>
      <div>
     <h1 id="时事新闻">时事新闻</h1>
     <ul>
       <li v-for="news in newsList" :key="news.id">
         {{ news.title }}
       </li>
     </ul>
      </div>
    </template>
  3. In the "NewsList.vue" file, write the following script code:

    <script>
    export default {
      data() {
     return {
       newsList: []
     }
      },
      mounted() {
     this.getNewsList()
      },
      methods: {
     getNewsList() {
       this.$db.collection('news')
         .orderBy('timestamp', 'desc')
         .onSnapshot(snapshot => {
           this.newsList = snapshot.docs.map(doc => {
             const data = doc.data()
             return {
               id: doc.id,
               title: data.title
             }
           })
         })
     }
      }
    }
    </script>

6. Create a news addition page:

  1. Create a new file in the "src/views" directory and name it "AddNews.vue" .
  2. In the "AddNews.vue" file, write the following template code:

    <template>
      <div>
     <h1 id="添加新闻">添加新闻</h1>
     <form @submit.prevent="addNews">
       <label for="title">标题:</label>
       <input type="text" id="title" v-model="title" required>
       <button type="submit">提交</button>
     </form>
      </div>
    </template>
  3. In the "AddNews.vue" file, write the following script code:

    <script>
    export default {
      data() {
     return {
       title: ''
     }
      },
      methods: {
     addNews() {
       this.$db.collection('news').add({
         title: this.title,
         timestamp: new Date()
       })
       this.title = ''
     }
      }
    }
    </script>

7. Configure routing:

  1. In the "src/router/index.js" file, import "NewsList.vue" and "AddNews.vue":

    import NewsList from '@/views/NewsList.vue'
    import AddNews from '@/views/AddNews.vue'
  2. In the "routes" array, create two routing objects:

    {
      path: '/',
      name: 'NewsList',
      component: NewsList
    },
    {
      path: '/add',
      name: 'AddNews',
      component: AddNews
    }

8. Create the home page component :

  1. Create a new file in the "src/views" directory and name it "Home.vue".
  2. In the "Home.vue" file, write the following template code:

    <template>
      <div>
     <h1 id="时事通讯应用">时事通讯应用</h1>
     <router-link to="/">查看新闻</router-link>
     <router-link to="/add">添加新闻</router-link>
     <router-view></router-view>
      </div>
    </template>

9. Update App components:

  1. In the "src/App.vue" file, replace the initial template code with the following code:

    <template>
      <div id="app">
     <router-view></router-view>
      </div>
    </template>

10. Run the application:

  1. Run the following command in the terminal to start the application:

    npm run serve
  2. Open the browser and visit "http://localhost:8080" to see the home page of the application.

Conclusion:
Through the sample code in this article, we successfully created a Vue-based newsletter application and used Firebase Cloud Firestore to achieve real-time data synchronization. Developers can continue to improve the application according to their own needs and ideas, such as adding user authentication, comment functions, etc. I hope this article can be helpful to the practical application of Vue and Firebase, so that your application can better meet the needs of users.

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