Let's talk about how to install and use Golang on different systems

Golang is a programming language developed by Google that has become increasingly popular among programmers in recent years. It is a statically typed language, and its object-oriented and procedural syntax is easy to understand and learn. This article will introduce how to install and use Golang on different operating systems.

Installation for Windows systems

1. Download the Golang installer

Download the Golang installer for Windows systems from the Google official website. The download address is https://golang.org/dl/.

2. Installing Golang

After the download is complete, run the installer and follow the instructions to complete the installation of Golang. The installer automatically adds Golang to the system PATH environment variable.

3. Verify Golang

Open command prompt (cmd) and enter the following command to verify whether Golang installation is successful:

go version

If Golang has been installed successfully , results similar to the following will be displayed:

go version go1.x.x windows/amd64

Installation on Mac system

1. Install Golang using Homebrew

Install Golang on Mac system The easiest way is to use the Homebrew package manager. Enter the following command in the terminal to install Homebrew:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

2. Install Golang

Installing Golang through Homebrew only requires one command:

brew install go

The installer will Automatically install Golang to the /usr/local/go directory.

3. Verify Golang

Enter the following command in the terminal to verify whether Golang installation is successful:

go version

If Golang has been successfully installed, something like this will be displayed Result of the following content:

go version go1.x.x darwin/amd64

Linux system installation

1. Download the Golang installation program

Download Golang for Linux system on the Google official website Installer. The download address is https://golang.org/dl/.

2. Installing Golang

After the download is complete, open a terminal and enter the following command in the directory where the Golang installer is located:

sudo tar -C /usr/local -xzf go1.x.x.linux-amd64.tar.gz

This will install Golang Installed in the /usr/local/go directory.

3. Configuring system environment variables

In order to facilitate the use of Golang, you need to add the following content to the .bashrc file:

export PATH=$PATH:/usr/local/go/bin

4. Enable environment variables Take effect

Enter the following command to make the environment variable take effect:

source ~/.bashrc

5. Verify Golang

Enter the following command in the terminal to verify the Golang installation Was it successful:

go version

If Golang was successfully installed, results similar to the following will be displayed:

go version go1.x.x linux/amd64

Using Golang

1. Editor's Choice

Like other programming languages, writing code in Golang requires choosing a good editor. Golang officially provides an official integrated development environment (IDE) that can be used to edit Golang code, the most famous of which is GoLand. In addition, there are many other text editors and IDEs available for Golang development, such as Visual Studio Code, Sublime Text, etc.

2. Writing the first Golang program

Open the editor and enter the following code:

package main

import "fmt"

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

Save the code and name the file "helloworld.go ". Use the terminal to enter the directory where the file is located and enter the following command:

go run helloworld.go

After successful execution, "Hello World!" will be output on the screen.

In short, Golang is a programming language that is easy to learn and efficient to develop. Whether it is developing web applications, mobile applications, games, etc., Golang is increasingly favored by developers.

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