Linux配置方式1

# install package
cd ~/Downloads
wget https://studygolang.com/dl/golang/go1.16.linux-amd64.tar.gz
tar zxvf go1.16.linux-amd64.tar.gz
sudo mv go /usr/local/go1.16

cd /usr/local/
sudo ln -s /usr/local/go1.16 /usr/local/go

# create gopath
sudo mkdir -p /workspace/gopath

sudo vim ~/.zshrc
export GOPATH=/workspace/gopath
export GOROOT=/usr/local/go
export PATH=$PATH:$GOROOT/bin:$GOPATH/bin
source ~/.zshrc

Linux配置方式2

cd ~/Downloads
wget https://studygolang.com/dl/golang/go1.16.linux-amd64.tar.gz
sudo tar zxvf go1.16.linux-amd64.tar.gz -C /usr/local

# sudo vim $HOME/.profile
sudo vim .zshrc
export GOROOT=/usr/local/go
export PATH=$PATH:$GOROOT/bin
source .zshrc
# source $HOME/.profile

设置 goproxy

go env -w GOPROXY=https://goproxy.cn,https://goproxy.io,direct

使用 go module

go env -w GO111MODULE=on

交叉编译

交叉编译依赖下面几个环境变量：
$GOARCH 目标平台（编译后的目标平台）的处理器架构（386、amd64、arm）
$GOOS 目标平台（编译后的目标平台）的操作系统（darwin、freebsd、linux、windows）

Mac

CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build
CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build

Linux

CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build
CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build

Windows

SET CGO_ENABLED=0
SET GOOS=darwin
SET GOARCH=amd64
go build

检测是否配置成功

go version
go env

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