go语言开发环境搭建

sdk

　　https://golang.google.cn/dl/

IDE

　　https://www.jetbrains.com/go/

go env 配置开发环境

# 启用 Go Modules 功能
go env -w GO111MODULE=on

# 配置 GOPROXY 环境变量，以下三选一

# 1. 七牛 CDN
go env -w  GOPROXY=https://goproxy.cn,direct

# 2. 阿里云
go env -w GOPROXY=https://mirrors.aliyun.com/goproxy/,direct

# 3. 官方
go env -w  GOPROXY=https://goproxy.io,direct

$ go env | grep GOPROXY
GOPROXY="https://goproxy.cn"

测试一下
$ time go get golang.org/x/tour

IDE  源开发环境配置

go env -w GOMOD="/Users/limeihui/Documents/go_work

sh-3.2# go env
GO111MODULE="on"
GOARCH="amd64"
GOBIN=""
GOCACHE="/var/root/Library/Caches/go-build"
GOENV="/var/root/Library/Application Support/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GOINSECURE=""
GOMODCACHE="/Users/limeihui/Documents/go_work"
GONOPROXY=""
GONOSUMDB=""
GOOS="darwin"
GOPATH="/Users/limeihui/Documents/go_work"
GOPRIVATE=""
GOPROXY="https://mirrors.aliyun.com/goproxy/,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/dev/null"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build267715044=/tmp/go-build -gno-record-gcc-switches -fno-common"