Mac下Go安装及第三方包安装

 #vim ~/.bash_profile
 GOROOT=/usr/local/go
 export GOROOT
 export $PATH:$GOROOT/bin

  #go get 和go install下载目录
  mkdir go
  cd go
  mkdir src
  #vim ~/.bash_profile
  GOPATH=/Users/username/go
  export $PATH:$GOPATH

.
└── src
   └── code.google.com
      └── p
          └── go.net
              ├── ...
              └── websocket
                  ├── client.go
                  ├── exampledial_test.go
                  ├── examplehandler_test.go
                  ├── hybi.go
                  ├── hybi_test.go
                  ├── server.go
                  ├── websocket.go
                  └── websocket_test.go

$ go install code.google.com/p/go.net/websocket

# vim ~/.zshrc
export GOROOT=/usr/local/go
export GOPATH=/Users/username/go

#前提是你已安装了git
$ go get github.com/rakyll/boom
$ cd ~/GOPATH/src/github.com/rakyll/boom
$ go build boom.go
$ boom