Golang Beginner's Guide: Complete Guide to Installation and Configuration under Mac System

Golang Beginner’s Guide: Complete Guide to Installation and Configuration under Mac System

Go language (also known as Golang) is an open source programming language developed by Google. It has Fast compilation, efficient execution and lightweight make it suitable for building high-performance applications. This article will provide a detailed installation and configuration guide for Golang novices on Mac systems to help them easily get started with this emerging programming language.

1. Install Golang

Step 1: Download the Golang installation package

First, open the official website https://golang.org/, and you can find the latest Golang on the homepage Version. Select the installation package suitable for Mac system to download.

Step 2: Install Golang

After the download is complete, double-click the installation package and follow the prompts to complete the installation. After the installation is complete, Golang will be installed in the /usr/local/go directory.

Step 3: Set environment variables

Open the Terminal application, enter the following command in the terminal, and add the Golang execution file path to the system environment variable:

export PATH=$PATH:/usr/local/go/bin

In order To make the settings permanent, you can add the above command to the ~/.profile or ~/.bash_profile file.

2. Configure Golang workspace

Step 1: Create a workspace directory

Golang recommends placing the project code in a separate workspace, you can create one anywhere directory as a workspace.

mkdir ~/go_workspace

Step 2: Set the GOPATH environment variable

Add the following content in the ~/.profile or ~/.bash_profile file, specify Golang Workspace path:

export GOPATH=~/go_workspace
export PATH=$PATH:$GOPATH/bin

3. Write the first Golang program

Step 1: Create a project directory

Create a new project directory in the workspace, and Enter the directory:

mkdir -p ~/go_workspace/src/hello
cd ~/go_workspace/src/hello

Step 2: Write code

Use a text editor to create a Golang source file named hello.go and enter the following code:

package main

import "fmt"

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

Step Three: Compile and Run

Switch to the project directory in the terminal and run the following command:

go run hello.go

If everything goes well, you will see the output in the terminal : "Hello, Golang!".

Conclusion

Through the guide in this article, you have successfully installed and configured Golang under the Mac system, and written and run your first Golang program. I hope this article can help those newbies who are exploring the world of Golang, come and start your Golang journey!

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