【vue】vue-cli 脚手架项目简介（一）

vue-cli是用来生成 vue项目的命令行工具，它的使用方法是这样的：

vue init <template-name> <project-name>
第二个参数 template-name 就是我们打算使用的模板，目前，模板是通过github上vue-templates这个组织进行发布。我们通常使用的vue init webpack my-project， 其中webpack指的就是 基于webpack的vuejs初始化模板。
本文就根据webpack这套模板（https://github.com/vuejs-templates/webpack/tree/master/template）
进行介绍，基于的版本是#658

首先来到package.json文件里，package.json是npm的配置文件，里面设定了脚本以及项目依赖的库。 npm run dev 这样的命令就写在package.json里。

{
  "name": "my-self-project",//项目名称
  "version": "1.0.0",//版本
  "description": "A Vue.js project",//描述
  "author": "shangxiaofei <shangxiaofei3@163.com>",//作者
  "private": true,//是否私人项目
  "scripts": {
    "dev": "webpack-dev-server --inline --progress --config build/webpack.dev.conf.js",//// npm run dev 的 dev，使用node执行 build/dev-server.js
    "start": "npm run dev",// npm run start 跑的是同样的命令
     "build": "node build/build.js"//npm run build 跑的是 node build/build.js 
    // 以下脚本为单元测试用到的脚本
    "unit": "jest --config test/unit/jest.conf.js --coverage",
    "e2e": "node test/e2e/runner.js",
    "test": "npm run unit && npm run e2e",
    "lint": "eslint --ext .js,.vue src test/unit test/e2e/specs",
  },
// dependencies 设定的是项目里使用的依赖，devDependencies设定的是开发使用的依赖
  "dependencies": {
    "vue": "^2.5.2",// 项目依赖vue.js
    "vue-router": "^3.0.1"// 项目依赖vue-router
  },
  "devDependencies": {
    "autoprefixer": "^7.1.2",//是用于给css3属性自动加属性前缀的
    // babel相关的都是用于处理es6语法的
    "babel-core": "^6.22.1",
    "babel-eslint": "^8.2.1",
    "babel-helper-vue-jsx-merge-props": "^2.0.3",
    "babel-jest": "^21.0.2",
    "babel-loader": "^7.1.1",
    "babel-plugin-dynamic-import-node": "^1.2.0",
    "babel-plugin-syntax-jsx": "^6.18.0",
    "babel-plugin-transform-es2015-modules-commonjs": "^6.26.0",
    "babel-plugin-transform-runtime": "^6.22.0",
    "babel-plugin-transform-vue-jsx": "^3.5.0",
    "babel-preset-env": "^1.3.2",
    "babel-preset-stage-2": "^6.22.0",
    "babel-register": "^6.22.0",
    "chalk": "^2.0.1",
    "chromedriver": "^2.27.2",
    "copy-webpack-plugin": "^4.0.1",
    "cross-spawn": "^5.0.1",
    "css-loader": "^0.28.0",
    "eslint": "^4.15.0",
    "eslint-config-standard": "^10.2.1",
    "eslint-friendly-formatter": "^3.0.0",
    "eslint-loader": "^1.7.1",
    "eslint-plugin-import": "^2.7.0",
    "eslint-plugin-node": "^5.2.0",
    "eslint-plugin-promise": "^3.4.0",
    "eslint-plugin-standard": "^3.0.1",
    "eslint-plugin-vue": "^4.0.0",
    "extract-text-webpack-plugin": "^3.0.0",
    "file-loader": "^1.1.4",
    "friendly-errors-webpack-plugin": "^1.6.1",
    "html-webpack-plugin": "^2.30.1",
    "jest": "^22.0.4",
    "jest-serializer-vue": "^0.3.0",
    "nightwatch": "^0.9.12",
    "node-notifier": "^5.1.2",
    "optimize-css-assets-webpack-plugin": "^3.2.0",
    "ora": "^1.2.0",// 命令行里自动运行的信息提示
    "postcss-import": "^11.0.0",
    "postcss-loader": "^2.0.8",
    "postcss-url": "^7.2.1",
    "rimraf": "^2.6.0",// 跑shell命令 rm-rf 的工具
    "selenium-server": "^3.0.1",
    "semver": "^5.3.0",
    "shelljs": "^0.7.6",
    "uglifyjs-webpack-plugin": "^1.1.1",
    "url-loader": "^0.5.8",// 配合webpack的加载器
    "vue-jest": "^1.0.2",
    "vue-loader": "^13.3.0",// 配合webpack的加载器
    "vue-style-loader": "^3.0.1",// 配合webpack的加载器
    "vue-template-compiler": "^2.5.2",// vue-template-compiler，可能是配合离线版vue
    // webpack相关的用于，把图片，*.vue, *.js, 这些组合成最终的项目，webpack-dev用于跑测试服务器
    "webpack": "^3.6.0",
    "webpack-bundle-analyzer": "^2.9.0",
    "webpack-dev-server": "^2.9.1",
    "webpack-merge": "^4.1.0"
  },
  // 项目依赖的引擎版本
  "engines": {
    "node": ">= 6.0.0",
    "npm": ">= 3.0.0"
  },
  "browserslist": [
    "> 1%",
    "last 2 versions",
    "not ie <= 8"
  ]
}

　　

作者：fishenal
链接：https://www.imooc.com/article/17770?block_id=tuijian_wz
来源：慕课网
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