笔者使用的是mac系统，因此介绍mac下golang的环境搭建。
1、安装Golang的SDK
google官网被墙下载地址如下: http://www.golangtc.com/download ，下载最新的安装包，之后双击安装即可。
安装完成之后，打开终端，输入go、或者go version(查看安装版本)出现如下信息即表示安装成功：
LCore:~ lcore$ go version
go version go1.4.1 darwin/amd64
LCore:~ lcore$
2、配置环境变量
安装完sdk之后接下来便是配置环境变量了，打开终端输入cd ~ 进入用户主目录,之后输入ls －all命令查看是否存在.bash_profile
文件，存在既使用vim .bash_profile打开并编辑该文件。根据自己实际情况，内容如下：
export GOPATH=/Users/lcore/dev/code/go
export GOBIN=$GOPATH/bin
export PATH=$PATH:$GOBIN
GOPATH:日常开发的根目录。GOBIN:是GOPATH下的bin目录。
且需要gobin目录加入到path路径下，生成的可执行文件就可以直接运行了。
退出vim,使用source ~/.bash_profile即可完成对golang环境变量的配置了，可以在终端中输入go env查看配置后的效果:
LCore:~ lcore$ go env
GOARCH=”amd64″
GOBIN=”/Users/lcore/dev/code/go/bin”
GOCHAR=”6″
GOEXE=””
GOHOSTARCH=”amd64″
GOHOSTOS=”darwin”
GOOS=”darwin”
GOPATH=”/Users/lcore/dev/code/go”
GORACE=””
GOROOT=”/usr/local/go”
GOTOOLDIR=”/usr/local/go/pkg/tool/darwin_amd64″
CC=”clang”
GOGCCFLAGS=”-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fno-common”
CXX=”clang++”
CGO_ENABLED=”1″
3、开发工具配置(sublime text)
这里笔者选用的是sublime text安装gosublime插件进行开发（golang语法高亮提示），安装方式这里就不多提了。
4、Hello GO
配置好开发环境之后,简单的进行一下go语言的开发。在你的gopath下的src目录下，新建一个文件夹(以项目名称命名)，然后在sublime中打开该文件夹,新建main.go文件即可以进行编码了。
package main
import (
“fmt”
)
func main() {
fmt.Println(“hello go”);
}
代码编写完成之后,使用command＋b打开sublime text终端，使用go build xx(项目名称)对其进行编译,编译通过后将会显示hello go信息。
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