机器centos7.3:

1安装

运行 yum install golang安装go(默认安装路径:/usr/lib/golang)

没有yum的下载,并安装。网址https://golang.google.cn/dl/.(参考:https://www.cnblogs.com/jxxiaocao/p/12175954.html)

2添加环境变量

vim .bashrc_profile

#Golang
export GOROOT=/usr/lib/golang
export GOBIN=$GOROOT/bin
export PATH=$PATH:$GOBIN
#GOPATH
export GOPATH=/home/panda/Golang
export PATH=$PATH:$GOPATH/bin

go modules$GOPATH/pkg/

soure.bashrc_profile

3 hello world

package main
import (
    "fmt"
)
func main() {
    fmt.Println("Hello World") 

}

执行:$go build hello.go编译

然后 $ ./hello

也可以go run hello.go