golang 环境变量

wget https://golang.google.cn/dl/go1.17.linux-amd64.tar.gz
tar -zxvf go1.17.linux-amd64.tar.gz
mv go /usr/local
mkdir /go
#以下补充到~/.bashrc
export GOPATH=/go
export GOROOT=/usr/local/go
export PATH=$PATH:$GOROOT/bin
export GOPROXY="https://mirrors.aliyun.com/goproxy/"
export GO111MODULE=on