Important: Steps to correctly install Golang on Mac system

Must read for Mac users: How to correctly install Golang to your computer?

Go language (Golang) is an open source programming language developed by Google. It has the characteristics of efficiency, simplicity, concurrency, etc., and is suitable for developing various types of applications. If you are a Mac user and want to start learning and using the Go language, it is crucial to correctly install Golang to your computer. Through this article, you will learn how to correctly install and configure the Go language environment on Mac, and conduct simple tests to help you smoothly start using the Go language for development work.

Step one: Download the Go language installation package

First, open the browser and go to the Go language official website (https://golang.org/). You can find the latest Go on the homepage Language installation package download link. Click the link to download the installation package for Mac system and wait for the download to complete.

Step 2: Install Golang

After the download is completed, double-click the installation package to install. Follow the installation wizard's prompts step by step to install Golang to the location of your choice (the default installation is in the /usr/local/go directory).

Step 3: Configure environment variables

After the installation is completed, you need to configure the environment variables of the Mac system so that the Go command can be correctly recognized and run in the terminal. Open the terminal and enter the following command to open the .bash_profile file:

open ~/.bash_profile

Add the following content at the end of the .bash_profile file:

export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export PATH=$GOPATH/bin:$GOROOT/bin:$PATH

Save and close the .bash_profile file, and then execute the following command to make the environment variables take effect:

source ~/.bash_profile

Step 4: Verify the installation

Enter the following command in the terminal to check the version information of the Go language to verify whether the installation is successful:

go version

If the installation is successful, The terminal will display the version number of the Go language. Next, you can create a simple Go program for testing.

Step 5: Write and run a simple Go program

Use a text editor to create a new Go source code file, such as hello.go, and enter the following code:

package main

import "fmt"

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

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

go run hello.go

If everything is normal, the terminal will output the string "Hello, Golang!". This means that you have successfully installed and configured the Golang environment and can write and run basic Go programs.

Summary:

Through the guidance of this article, you learned how to correctly install and configure the Go language environment on Mac, and verified the effectiveness of the installation through a simple example program. Now, you can start to further learn the syntax, standard library and development tools of the Go language, and carry out more Go language development projects. I wish you a happy Go language learning journey!

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