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HomeBackend DevelopmentGolangGo language installation tutorial from scratch
Go language installation tutorial from scratchFeb 20, 2024 am 09:11 AM
go languageInstallation tutorialgo language installationGetting started for beginners

Go language installation tutorial from scratch

Go language installation tutorial from scratch

The Go language (also known as Golang) is an open source programming language developed by Google , which has the characteristics of high efficiency, simplicity, and strong concurrency, and is favored by more and more developers. If you are interested in the Go language and want to learn it and start writing code, you must first install the Go language. This article will provide you with a Go language installation tutorial from scratch, and attach specific code examples to help you successfully complete the installation process.

Step 1: Download the installation package

First, you need to visit the official website to download the Go language installation package. Open the browser and enter https://golang.org/ to enter the official website. Find the "Downloads" option on the home page and click to enter the download page.

Step 2: Choose the installation package suitable for your operating system

On the download page, you will see the installation packages provided for different operating systems. Select the corresponding installation package according to your operating system and download it. Generally speaking, installation packages are provided for different platforms such as Windows, Mac OS, and Linux. Choose the version suitable for your operating system to download.

Step 3: Install Go language

After downloading the installation package, double-click to run the installation package and follow the prompts to complete the installation of Go language. During the installation process, you can choose options such as the installation path. Generally speaking, you can use the default settings for installation.

Step 4: Set environment variables

After the Go language is installed, you need to set the environment variables so that Go language commands can be used on the command line. The specific steps are as follows:

  1. Open the command line window and enter the following command to view the installation path of the Go language:

    go env
  2. Find the two environment variables GOROOT and GOPATH, They are the installation path of the Go language and the working path of the code.
  3. In the system environment variables, add two new variables, GOROOT and GOPATH, whose values ​​are respectively the installation path of the Go language and the path where you want to store the Go code.

Step 5: Verify the installation

After completing the setting of environment variables, you can verify whether the Go language is installed successfully. Enter the following command on the command line:

go version

If the version information of the Go language is displayed, it means that the Go language has been successfully installed on your computer.

Step 6: Write and run a simple Go program

In order to verify the accuracy of the installation, we now try to write a simple Hello World program and run it. Open any text editor and enter the following code:

package main

import "fmt"

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

Save the file and use the command line to enter the directory where the file is located, and execute the following command to compile and run the program:

go run 文件名.go

If the command line displays "Hello, World!", then congratulations, the Go language has been successfully installed and you can write and run programs!

Conclusion

Through the above steps, you have successfully installed and verified the use of Go language. Next, you can continue to learn the syntax and features of the Go language and develop more powerful applications. I hope this article has helped you, and I wish you make more progress in your Go language learning journey!

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