【node.js】基础<一>

1. npm install -g express

npm ERR! install Couldn't read dependencies
npm ERR! Darwin 14.3.0
npm ERR! argv "node" "/usr/local/bin/npm" "insta"
npm ERR! node v0.12.4
npm ERR! npm  v2.10.1
npm ERR! path /Users/goyoo/package.json
npm ERR! code ENOPACKAGEJSON
npm ERR! errno -2

npm ERR! package.json ENOENT, open '/Users/goyoo/package.json'
npm ERR! package.json This is most likely not a problem with npm itself.
npm ERR! package.json npm can't find a package.json file in your current directory.

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/goyoo/npm-debug.log
➜  ~ git:(master) ✗
➜  ~ git:(master) ✗ npm install - g express
npm ERR! addLocal Could not install /Users/goyoo/-
npm ERR! Darwin 14.3.0
npm ERR! argv "node" "/usr/local/bin/npm" "install" "-" "g" "express"
npm ERR! node v0.12.4
npm ERR! npm  v2.10.1
npm ERR! path /Users/goyoo/-
npm ERR! code ENOENT
npm ERR! errno -2

npm ERR! enoent ENOENT, open '/Users/goyoo/-'
npm ERR! enoent This is most likely not a problem with npm itself
npm ERR! enoent and is related to npm not being able to find a file.
npm ERR! enoent

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/goyoo/npm-debug.log

npm install -g express

➜  /  npm install -g express
express@4.13.0 /usr/local/lib/node_modules/express
├── merge-descriptors@1.0.0
├── utils-merge@1.0.0
├── cookie-signature@1.0.6
├── methods@1.1.1
├── range-parser@1.0.2
├── escape-html@1.0.2
├── array-flatten@1.1.0
├── cookie@0.1.3
├── content-type@1.0.1
├── vary@1.0.0
├── parseurl@1.3.0
├── fresh@0.3.0
├── path-to-regexp@0.1.6
├── etag@1.7.0
├── content-disposition@0.5.0
├── serve-static@1.10.0
├── depd@1.0.1
├── qs@2.4.2
├── proxy-addr@1.0.8 (forwarded@0.1.0, ipaddr.js@1.0.1)
├── finalhandler@0.4.0 (unpipe@1.0.0)
├── debug@2.2.0 (ms@0.7.1)
├── on-finished@2.3.0 (ee-first@1.1.1)
├── type-is@1.6.4 (media-typer@0.3.0, mime-types@2.1.2)
├── accepts@1.2.10 (negotiator@0.5.3, mime-types@2.1.2)
└── send@0.13.0 (destroy@1.0.3, ms@0.7.1, statuses@1.2.1, mime@1.3.4, http-errors@1.3.1)

➜  /  npm install -g express-generator
/usr/local/bin/express -> /usr/local/lib/node_modules/express-generator/bin/express
express-generator@4.12.4 /usr/local/lib/node_modules/express-generator
├── sorted-object@1.0.0
├── commander@2.6.0
└── mkdirp@0.5.0 (minimist@0.0.8)

express -e blog

➜  ~ git:(master) ✗ cd Desktop
➜  Desktop git:(master) ✗ express -e blog

create : blog
create : blog/package.json
create : blog/app.js
create : blog/public
create : blog/public/javascripts
create : blog/public/images
create : blog/public/stylesheets
create : blog/public/stylesheets/style.css
create : blog/routes
create : blog/routes/index.js
create : blog/routes/users.js
create : blog/views
create : blog/views/index.ejs
create : blog/views/error.ejs
create : blog/bin
create : blog/bin/www

install dependencies:
$ cd blog && npm install

run the app:
$ DEBUG=blog:* npm start

cd blog && npm install

➜  Desktop git:(master) ✗ cd blog && npm install
|
ejs@2.3.2 node_modules/ejs

debug@2.2.0 node_modules/debug
└── ms@0.7.1

serve-favicon@2.2.1 node_modules/serve-favicon
├── fresh@0.2.4
├── ms@0.7.1
├── parseurl@1.3.0
└── etag@1.6.0 (crc@3.2.1)

cookie-parser@1.3.5 node_modules/cookie-parser
├── cookie@0.1.3
└── cookie-signature@1.0.6

morgan@1.5.3 node_modules/morgan
├── basic-auth@1.0.2
├── depd@1.0.1
└── on-finished@2.2.1 (ee-first@1.1.0)

body-parser@1.12.4 node_modules/body-parser
├── content-type@1.0.1
├── bytes@1.0.0
├── depd@1.0.1
├── qs@2.4.2
├── iconv-lite@0.4.8
├── on-finished@2.2.1 (ee-first@1.1.0)
├── raw-body@2.0.2 (bytes@2.1.0)
└── type-is@1.6.4 (media-typer@0.3.0, mime-types@2.1.2)

express@4.12.4 node_modules/express
├── merge-descriptors@1.0.0
├── cookie-signature@1.0.6
├── methods@1.1.1
├── utils-merge@1.0.0
├── fresh@0.2.4
├── cookie@0.1.2
├── range-parser@1.0.2
├── escape-html@1.0.1
├── content-type@1.0.1
├── finalhandler@0.3.6
├── vary@1.0.0
├── parseurl@1.3.0
├── serve-static@1.9.3
├── content-disposition@0.5.0
├── path-to-regexp@0.1.3
├── depd@1.0.1
├── qs@2.4.2
├── on-finished@2.2.1 (ee-first@1.1.0)
├── etag@1.6.0 (crc@3.2.1)
├── proxy-addr@1.0.8 (forwarded@0.1.0, ipaddr.js@1.0.1)
├── accepts@1.2.10 (negotiator@0.5.3, mime-types@2.1.2)
├── type-is@1.6.4 (media-typer@0.3.0, mime-types@2.1.2)
└── send@0.12.3 (destroy@1.0.3, ms@0.7.1, mime@1.3.4)

➜  blog git:(master) ✗ DEBUG=blog:* npm start

> blog@0.0.0 start /Users/goyoo/Desktop/blog
> node ./bin/www

blog:server Listening on port 3000 +0ms