How to install golang source code

Golang is a programming language that supports high concurrency, rapid development, cross-platform and other advantages. It is one of the first choices of many developers. But before using golang, you need to install the golang source code first.

This article will introduce in detail how to install golang source code. I hope it can be helpful to everyone.

1. Download the golang source code

First go to the official website https://golang.org/dl/ to download the golang source code, and select the version corresponding to the system, such as downloading the windows version of the golang source code.

After downloading, decompress it locally.

2. Set environment variables

In order to use golang conveniently, you need to set environment variables. In the Windows system, right-click the computer, select Properties, enter advanced system settings, and enter the environment variable setting interface.

Find the Path option in the system environment variable and add the bin directory where golang is located at the end. For example, if the golang source code is decompressed in the D:\go directory, you need to add the D:\go\bin directory to the Path.

3. Compile the source code

Open the command line terminal, enter the root directory where the golang source code is located, and use the following command to compile:

cd src
./all.bash

This process may be time-consuming and requires Wait patiently. After the compilation is completed, you can use the following command to test:

./bin/go version

If the golang version information is displayed, the compilation is successful.

4. Use golang

After the installation is complete, you can use golang for development. Enter the "go" command in the command line terminal to view all available commands. For example, create a go file named hello and write the following code:

package main

import "fmt"

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

Execute the following command in the same directory to compile:

go build hello.go

Execute the generated executable file in the command "Hello, world!" is output in the line. This is the simplest example of a go program.

Summary

In this article, we introduced how to install golang source code. It should be noted that golang source code installation requires a certain amount of patience and experience. If you encounter problems, you can go to the official website or the go community for consultation and help.

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