How to build the backend with vue-cil

In web development, it is very common to build a data-driven backend management system. Using Vue.js and vue-cli to build a backend management system can greatly improve development efficiency and ensure the maintainability and scalability of the code. This article will introduce some steps to create a backend management system based on vue-cli.

Step 1: Install Node.js

First, we need to install Node.js. Download and install the latest version of Node.js for your operating system at https://nodejs.org. After the installation is complete, you can enter the following command in the command line interface to check whether Node.js is installed successfully:

node -v

If the installation is successful, your Node.js version number will be displayed.

Step 2: Create vue-cli project

vue-cli is a command line tool officially provided by Vue.js for quickly creating Vue.js projects. To install vue-cli, use the following command:

npm install -g vue-cli

After the installation is complete, use the following command to create a basic Vue.js project:

vue init webpack my-project

where my-project is your project name. This command will prompt you to configure some options such as project name, description, author, etc. You can choose to use the default values ​​or configure them to suit your needs. After executing this command, vue-cli will automatically generate the basic directory structure of the project.

Step 3: Install related dependencies

We need to use some dependencies to help us quickly build a data-driven backend management system. The following are some basic dependencies, you can add other dependencies according to your needs:

npm install --save vue vue-router vuex
npm install --save-dev element-ui

Among them, vue is the basic dependency, vue-router and vuex are used to create routing and manage status, and element-ui is a software based on Vue.js's UI component library provides many practical components and styles.

Step 4: Create the page

Now, we can start creating the page. Create Vue single-file components ending with .vue in the src/views directory. Each component should represent a page. For example, we can create a component called Dashboard to display system overview information. In the Dashboard.vue file, you can add the following code:

<template>
  <div>
    <h1 id="Dashboard">Dashboard</h1>
    <p>Welcome to the Dashboard page</p>
  </div>
</template>

<script>
export default {
  name: 'Dashboard'
}
</script>

<style scoped>
h1 {
  font-size: 24px;
  font-weight: bold;
  margin-top: 20px;
}
p {
  font-size: 14px;
  color: #999;
  margin-top: 10px;
}
</style>

The above code defines a component named Dashboard, which contains a page title and some description text. Note that the styles are scoped, which means only the component can use them.

Since we will use vue-router to manage page routing, we also need to add routes in the src/router/index.js file:

import Vue from 'vue'
import Router from 'vue-router'
import Dashboard from '@/views/Dashboard'

Vue.use(Router)

export default new Router({
  routes: [
    {
      path: '/',
      name: 'Dashboard',
      component: Dashboard
    }
  ]
})

In the above code, we will / The path is mapped into the Dashboard component.

Step 5: Create the layout

Backend management systems usually contain some shared layout components, such as headers, sidebars, and footers. Creating these layout components not only reduces duplicate code but also allows multiple pages to share the same layout. Create a component named Default.vue in the src/layout directory to represent the default layout.

Default.vue component should contain the following content:

<template>
  <div>
    <header></header>
    <div class="wrapper">
      <aside></aside>
      <main>
        <router-view></router-view>
      </main>
    </div>
    <footer></footer>
  </div>
</template>

<script>
export default {
  name: 'Default'
}
</script>

<style scoped>
.wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
main {
  flex-basis: 60%;
}
@media (max-width: 767px) {
  .wrapper {
    display: block;
  }
  main {
    flex-basis: 100%;
  }
}
</style>

Default.vue component defines the HTML structure of the layout, and uses the router-view component inside the main tag so that when the page switches Automatically load the corresponding components. Additionally, we used some CSS styles to define the responsive layout of the page.

Introduce the Default.vue component into the App.vue component, as shown below:

<template>
  <div id="app">
    <default-layout></default-layout>
  </div>
</template>

<script>
import DefaultLayout from '@/layout/Default'

export default {
  name: 'App',
  components: {
    DefaultLayout
  }
}
</script>

Then, we need to modify the src/main.js file to ensure that the Vue.js instance uses our Routing and Layout:

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

Vue.config.productionTip = false

/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  store,
  components: { App },
  template: '<App/>'
})

Step 6: Test the Application

Finally, run the following command to start the project:

npm run dev

This command will start the development server and display it in the browser Show the application. If everything is fine, you should be able to see the Dashboard page.

Summary

Using vue-cli to build a backend management system is a quick way to build a data-driven solution. After the project is created, add necessary dependencies and pages to gradually improve the system's functions. In this article, you learned some of the steps required to create a basic backend management system. Good luck with your development!

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