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当前阅读教程:Node.js在线教程 > 使用 package.json
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上一篇: 全局安装与本地安装 下一篇: 模块操作

package.json 位于模块的目录下,用于定义包的属性。接下来让我们来看下 express 包的 package.json 文件,位于 node_modules/express/package.json 内容:

{

  "name": "express",

  "description": "Fast, unopinionated, minimalist web framework",

  "version": "4.13.3",

  "author": {

    "name": "TJ Holowaychuk",

    "email": "tj@vision-media.ca"

  },

  "contributors": [

    {

      "name": "Aaron Heckmann",

      "email": "aaron.heckmann+github@gmail.com"

    },

    {

      "name": "Ciaran Jessup",

      "email": "ciaranj@gmail.com"

    },

    {

      "name": "Douglas Christopher Wilson",

      "email": "doug@somethingdoug.com"

    },

    {

      "name": "Guillermo Rauch",

      "email": "rauchg@gmail.com"

    },

    {

      "name": "Jonathan Ong",

      "email": "me@jongleberry.com"

    },

    {

      "name": "Roman Shtylman",

      "email": "shtylman+expressjs@gmail.com"

    },

    {

      "name": "Young Jae Sim",

      "email": "hanul@hanul.me"

    }

  ],

  "license": "MIT",

  "repository": {

    "type": "git",

    "url": "git+https://github.com/strongloop/express.git"

  },

  "homepage": "http://expressjs.com/",

  "keywords": [

    "express",

    "framework",

    "sinatra",

    "web",

    "rest",

    "restful",

    "router",

    "app",

    "api"

  ],

  "dependencies": {

    "accepts": "~1.2.12",

    "array-flatten": "1.1.1",

    "content-disposition": "0.5.0",

    "content-type": "~1.0.1",

    "cookie": "0.1.3",

    "cookie-signature": "1.0.6",

    "debug": "~2.2.0",

    "depd": "~1.0.1",

    "escape-html": "1.0.2",

    "etag": "~1.7.0",

    "finalhandler": "0.4.0",

    "fresh": "0.3.0",

    "merge-descriptors": "1.0.0",

    "methods": "~1.1.1",

    "on-finished": "~2.3.0",

    "parseurl": "~1.3.0",

    "path-to-regexp": "0.1.7",

    "proxy-addr": "~1.0.8",

    "qs": "4.0.0",

    "range-parser": "~1.0.2",

    "send": "0.13.0",

    "serve-static": "~1.10.0",

    "type-is": "~1.6.6",

    "utils-merge": "1.0.0",

    "vary": "~1.0.1"

  },

  "devDependencies": {

    "after": "0.8.1",

    "ejs": "2.3.3",

    "istanbul": "0.3.17",

    "marked": "0.3.5",

    "mocha": "2.2.5",

    "should": "7.0.2",

    "supertest": "1.0.1",

    "body-parser": "~1.13.3",

    "connect-redis": "~2.4.1",

    "cookie-parser": "~1.3.5",

    "cookie-session": "~1.2.0",

    "express-session": "~1.11.3",

    "jade": "~1.11.0",

    "method-override": "~2.3.5",

    "morgan": "~1.6.1",

    "multiparty": "~4.1.2",

    "vhost": "~3.0.1"

  },

  "engines": {

    "node": ">= 0.10.0"

  },

  "files": [

    "LICENSE",

    "History.md",

    "Readme.md",

    "index.js",

    "lib/"

  ],

  "scripts": {

    "test": "mocha --require test/support/env --reporter spec --bail --check-leaks test/ test/acceptance/",

    "test-ci": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --require test/support/env --reporter spec --check-leaks test/ test/acceptance/",

    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --require test/support/env --reporter dot --check-leaks test/ test/acceptance/",

    "test-tap": "mocha --require test/support/env --reporter tap --check-leaks test/ test/acceptance/"

  },

  "gitHead": "ef7ad681b245fba023843ce94f6bcb8e275bbb8e",

  "bugs": {

    "url": "https://github.com/strongloop/express/issues"

  },

  "_id": "express@4.13.3",

  "_shasum": "ddb2f1fb4502bf33598d2b032b037960ca6c80a3",

  "_from": "express@*",

  "_npmVersion": "1.4.28",

  "_npmUser": {

    "name": "dougwilson",

    "email": "doug@somethingdoug.com"

  },

  "maintainers": [

    {

      "name": "tjholowaychuk",

      "email": "tj@vision-media.ca"

    },

    {

      "name": "jongleberry",

      "email": "jonathanrichardong@gmail.com"

    },

    {

      "name": "dougwilson",

      "email": "doug@somethingdoug.com"

    },

    {

      "name": "rfeng",

      "email": "enjoyjava@gmail.com"

    },

    {

      "name": "aredridel",

      "email": "aredridel@dinhe.net"

    },

    {

      "name": "strongloop",

      "email": "callback@strongloop.com"

    },

    {

      "name": "defunctzombie",

      "email": "shtylman@gmail.com"

    }

  ],

  "dist": {

    "shasum": "ddb2f1fb4502bf33598d2b032b037960ca6c80a3",

    "tarball": "http://registry.npmjs.org/express/-/express-4.13.3.tgz"

  },

  "directories": {},

  "_resolved": "https://registry.npmjs.org/express/-/express-4.13.3.tgz",

  "readme": "ERROR: No README data found!"

}

Package.json 属性说明

Ø  name - 包名。

Ø  version - 包的版本号。

Ø  description - 包的描述。

Ø  homepage - 包的官网 url

Ø  author - 包的作者姓名。

Ø  contributors - 包的其他贡献者姓名。

Ø  dependencies - 依赖包列表。如果依赖包没有安装,npm 会自动将依赖包安装在 node_module 目录下。

Ø  repository - 包代码存放的地方的类型,可以是 git svngit 可在 Github 上。

Ø  main - main 字段指定了程序的主入口文件,require('moduleName') 就会加载这个文件。这个字段的默认值是模块根目录下面的 index.js

Ø  keywords - 关键字


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