Go Development Environment Installation

Download go installation package

　 You can download from the official websitehttps://golang.google.cn/dl/　Download the corresponding version according to the system environment, unzip it after downloading in the Linux environment, and follow the installation guide in the Windows environment to install step by step

Linux environment

　 　Add go to the Path environment variable (unzip the go installation package to)/usr/(in the local directory)

vim　/etc/profile
Add:/usr/local/go/bin　Add to the PATH global variable and save
Then execute
source　/etc/profile
#　/etc/profile　# System startup execution file
# This file will be executed when the operating system starts. Execution will add/user/local/Add go to the global variable

GOROOT setting: Go installation path

vim　/etc/profile
Add new:
export　GOROOT　=　"/usr/local/go"

GOPATH setting: go working environment, generally there will be three directories under this path: bin, pkg, src, you can place multiple project source codes in src, and compile the files in bin

Create a new Go working environment directory goworks, and create the subdirectories src, pkg, and bin under this directory

vim　/etc/profile
Add new:
export　GOROOT　=　"/goworks"
Then execute
source　/etc/profile

Windows environment installation

Under Windows, after the go installation package is installed successfully, it will automatically add go to the path directory, so there is no need to add go to the Path environment variable

GOROOT setting: Go installation path

　"My Computer"=> "Properties"=> "Advanced System Settings"=> "Environment Variables"=> "System Environment Variables", add a new environment variable GOROOT, as shown below

GOPATH setting:

Delete the GOPATH setting in the user variables, which is the working directory added by default when go is installed, and it is generally not used

Create a new Go working environment directory goworks, and create the subdirectories src, pkg, and bin under this directory

Add a new environment variable GOPATH pointing to the Go working environment directory GoWorks, as shown below

Test environment

In goworks/Create a directory helloworld under the src directory, and create a file named main.go with the following code:

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

Under Windows, open cmd, cd to goworks/src/Under the helloworld directory, run: go run main.go, and the running result is as follows:

The go environment installation is completed

Of course, development cannot do without IDE tools, and VSCode and Sublime are recommended