Use of Vue.js command line tool and analysis of Vue project structure

Vue.js is a front-end Javascript framework that uses responsive data binding and componentized architecture, allowing developers to build complex user interfaces more efficiently. Vue.js also provides a command line tool, Vue CLI, which can help us quickly create a Vue project. This article will introduce the use of Vue CLI and the file structure of the Vue project.

1. Installation of Vue CLI

Vue CLI is the officially recommended scaffolding for building Vue.js applications. It helps us quickly create projects and integrates front-end construction tools such as webpack and babel. Allow us to focus more on the business logic development of the project.

First you need to install Node.js and npm, then open the command line interface and run the following command:

npm install -g @vue/cli

This command will install Vue CLI globally into our system.

After the installation is completed, we can use the following command to check whether the installation is successful:

vue --version

If the corresponding version number appears, it means that the Vue CLI was installed successfully.

2. Create a Vue project

Creating a new project using Vue CLI is very simple, just run the following command on the command line:

vue create my-project

where my-project It is the project name you set yourself.

After running the command, we will see an interactive command line interface, allowing us to select some project configuration options, such as: selecting a preset template, whether to use ESLint, etc.

After a few simple steps, the command line will create a Vue project for us.

3. Vue project file structure analysis

After the Vue project is successfully created, you will see the following directory structure:

my-project/
  ├── node_modules/
  ├── public/
  │   ├── favicon.ico
  │   └── index.html
  ├── src/
  │   ├── assets/
  │   │   └── logo.png
  │   ├── components/
  │   │   └── HelloWorld.vue
  │   ├── App.vue
  │   └── main.js
  └── package.json

Here is the purpose of each folder:

• node_modules: Stores the dependency code library of the project and does not require manual modification.
• public: Stores public resources, including web icons and HTML entry files.
• src: Stores the source code of the Vue project.
• assets: Store static resources that do not require compilation, such as images, fonts, files, etc.
• components: Storage component files, each component usually consists of a Vue file.
• App.vue: The root component of the Vue application, which contains references to other components.
• main.js: The entry file of the Vue application, creates a Vue instance and references the App component.
• package.json: Stores the project’s metadata information and dependency list.

4. Summary

Vue CLI is the official scaffolding tool of Vue.js, which can help us quickly create and build a Vue project. The structure of the Vue project file is very clear and contains some folders with very specific purposes, which provides us with a good framework for building Vue applications.

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