vue-cli3.0-beta vue脚手架3.0的使用

中文文档
https://github.com/toBeTheLight/vue-cli-3.x-doc-cn/blob/dev/README.md
在安装之前请装好nodeJs

1.使用

npm install -g @vue/cli
# or
yarn global add @vue/cli

查看版本（是否安装成功）：vue -V(大写的V)

11576163-5ebc6d418467d0c4.png

2.命令变化

  Commands:

    create [options] <app-name>      create a new project powered by vue-cli-service // 创建一个由vue-cli-service支持的新项目
    add <plugin> [pluginOptions]     install a plugin and invoke its generator in an already created project // 在已创建的项目中添加插件
    invoke <plugin> [pluginOptions]  invoke the generator of a plugin in an already created project // 在开发者模式下以零配置运行一个js或vue文件
    inspect [options] [paths...]     inspect the webpack config in a project with vue-cli-service // 在vue-cli-service的项目中检查webpack配置
    serve [options] [entry]          serve a .js or .vue file in development mode with zero config // 简单理解为开发环境下启动命令
    build [options] [entry]          build a .js or .vue file in production mode with zero config // 在生产模式下以零配置构建一个js或vue文件
    init <template> <app-name>       generate a project from a remote template (legacy API, requires @vue/cli-init) // 旧api 需要@vue/cli-init // 就是原来的vue-cli init <template> <app-name>

3.创建一个项目
新建文件夹，在该文件夹下打开命令窗口，输入以下命令，
vue create project-name
这时你会看见

Vue CLI v3.0.0-beta.6
? Please pick a preset: (Use arrow keys)
> xs-default (vue-router, vuex, stylus, babel, pwa, eslint, unit-jest) // 这是我运行过之后的默认设置，第一次执行create是没有的
  default (babel, eslint)
  Manually select features

按键盘上下键选择默认（default）还是手动（Manually），如果选择default，一路回车执行下去就行了（注：现在vue-cli3.0默认使用yarn下载），这里我选择手动，

11576163-5ce01980491220c1.png

4.选择配置，这时你会看见一些选项,
你要集成什么就选就行了，我这里选个我比较常用的（注：空格键是选中与取消，A键是全选）

? Please pick a preset: Manually select features
? Check the features needed for your project: (Press <space> to select, <a> to toggle all, <i> to invert selection)
>( ) TypeScript
 ( ) Progressive Web App (PWA) Support
 ( ) Router
 ( ) Vuex
 ( ) CSS Pre-processors
 ( ) Linter / Formatter
 ( ) Unit Testing
 ( ) E2E Testing

11576163-6cbc16d02b36888b.png

5.选择css预处理，这里我选择stylus

? Please pick a preset: Manually select features
? Check the features needed for your project: Router, Vuex, CSS Pre-processors, Linter, Unit
? Pick a CSS pre-processor (PostCSS, Autoprefixer and CSS Modules are supported by default):
> SCSS/SASS
  LESS
  Stylus

J1WT6J2M@U9P~N}B%IMYN3O.png

6.选择ESLint + Prettier

? Please pick a preset: Manually select features
? Check the features needed for your project: Router, Vuex, CSS Pre-processors, Linter, Unit
? Pick a CSS pre-processor (PostCSS, Autoprefixer and CSS Modules are supported by default): Stylus
? Pick a linter / formatter config: (Use arrow keys)
> ESLint with error prevention only
  ESLint + Airbnb config
  ESLint + Standard config
  ESLint + Prettier

11576163-d296d46dc6ca8f36.png

7.选择语法检查方式，这里我选择保存就检测

Vue CLI v3.0.0-beta.6
? Please pick a preset: Manually select features
? Check the features needed for your project: Router, Vuex, CSS Pre-processors, Linter, Unit
? Pick a CSS pre-processor (PostCSS, Autoprefixer and CSS Modules are supported by default): Stylus
? Pick a linter / formatter config: Prettier
? Pick additional lint features: (Press <space> to select, <a> to toggle all, <i> to invert selection)
>( ) Lint on save // 保存就检测
 ( ) Lint and fix on commit // fix和commit时候检查

1.png

8.选择单元测试

Vue CLI v3.0.0-beta.6
? Please pick a preset: Manually select features
? Check the features needed for your project: Router, Vuex, CSS Pre-processors, Linter, Unit
? Pick a CSS pre-processor (PostCSS, Autoprefixer and CSS Modules are supported by default): Stylus
? Pick a linter / formatter config: Prettier
? Pick additional lint features: Lint on save
? Pick a unit testing solution: (Use arrow keys)
> Mocha + Chai
  Jest

2.png

9.她会问你 ，把babel,postcss,eslint这些配置文件放哪，这里随便选，我选择放在独立文件夹

Vue CLI v3.0.0-beta.6
? Please pick a preset: Manually select features
? Check the features needed for your project: Router, Vuex, CSS Pre-processors, Linter, Unit
? Pick a CSS pre-processor (PostCSS, Autoprefixer and CSS Modules are supported by default): Stylus
? Pick a linter / formatter config: Prettier
? Pick additional lint features: Lint on save
? Pick a unit testing solution: Jest
? Where do you prefer placing config for Babel, PostCSS, ESLint, etc.? (Use arrow keys)
> In dedicated config files // 独立文件放置
  In package.json // 放package.json里

3.png

10.键入N不记录，如果键入Y需要输入保存名字，如第一步所看到的我保存的名字为xs-default

Vue CLI v3.0.0-beta.6
? Please pick a preset: Manually select features
? Check the features needed for your project: Router, Vuex, CSS Pre-processors, Linter, Unit
? Pick a CSS pre-processor (PostCSS, Autoprefixer and CSS Modules are supported by default): Stylus
? Pick a linter / formatter config: Prettier
? Pick additional lint features: Lint on save
? Pick a unit testing solution: Jest
? Where do you prefer placing config for Babel, PostCSS, ESLint, etc.? In dedicated config files
? Save this as a preset for future projects? (Y/n) // 是否记录一下以便下次继续使用这套配置

11.确定后，等待下载依赖模块

4.png

12.装好后，启动

cd vue-pro3.0-demo // 进入项目根目录
yarn serve // 启动项目

5.png

13.项目目录，现在的目录是3.0的cli看上去简洁多了，去掉了2.0 build和config等目录

)Y_Z_RSKOTQNM%5MAH55`A9.png

14.修改端口，在根目录下创建vue.config.js

ARAM73G_ZUA)9$HYSZJRFQG.png
vue.config.js相关配置请参考 https://github.com/vuejs/vue-cli/blob/dev/docs/config.md
在vue.config.js找到

devServer: {
        open: process.platform === 'darwin',
        host: '0.0.0.0',
        port: 1234,
        https: false,
        hotOnly: false,
        // See https://github.com/vuejs/vue-cli/blob/dev/docs/cli-service.md#configuring-proxy
        proxy: null, // string | Object
        before: app => {}
    },

6.png

15.本文使用vue-cli3.0的入门使用，希望可以帮到刚更多的人。