The Go package understands

This is a created article in which the information may have evolved or changed.

The Golang package is the basic management Unit,

Under the same package, there can be a lot of different files, as long as each file's head is like "package xxx" the same name,

You can use XXX in the Main method. Method () Calls methods in different files.

The folder name can be inconsistent with the package name,

For example, I have a folder named MyPackage, which contains A.go,b.go, c.go three files:

MyPackage

| --a.go

| --b.go

| --c.go

For example, there is Saya () in A.go, B.go has Sayb () and several file common package name is Testpackage

So in the main function call A.go and B.go file in the respective method as long as the use, Testpackage.saya (), Testpackage. Sayb () can

There is also the default Init method, which executes when import comes in, and allows the init () method in each file, of course, for each of them to be executed.