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Do you know why using GOPATH is no longer recommended and how to use Go Modules

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2021-01-11 14:40:353164browse

The following tutorial column will introduce to you why it is no longer recommended to use GOPATH and how to use Go Modules. I hope it will be helpful to friends in need! Reason: With Go Modules

History:

An environment variable used to tell GO when compiling the project Where to read source files

Restriction rules:

Requires the project to be written under GOPATH
  • Needs to create a directory based on the actual URL path of the project. For example, github.com/foo/bar => $GOPATH/src/github.com/foo/bar
    • There is no built-in version tracking for extension packages
    • With Go Modules

One line of command to migrate old projects

Only affects the development environment, not the production environment
  • Compatible with GOPATH, you can still use GOPATH
  • to Go Modules

version requirements>=1.11## according to your personal preferences.

  • #go mod init

    Command initialization, such as: 
mkdir myProject/
cd myProject
go mod init github.com/myGithubName/myProject

  • GOPATH project migration, such as: 

    mv ~/go/src/github.com/myGithubName/myProject ~/anywhere_else/
cd ~/anywhere_else/myProject
go mod init github.com/myGithubName/myProject
    • The above content is compiled from: https://medium.com/@vingarcia00/golang-why-not-use-the-gopath-87521259663a
  • In addition, if you use Goland IDE, open Settings and go to Go -> Go Modules (vgo), check Enable Go Modules (vgo) Integration, otherwise the extension package will not be recognized.

                                                                                                                                                          

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