src/test_interface.git/main.go
package main import ( task "test_interface.git/task" ) func main() { do := task.NewInter(task.NewTask()) do.OnInit() }
src/test_interface.git/task/print.go
package task import ( "fmt" ) type Stve struct { } func NewTask() Inter { return &Stve{} } func (self *Stve) OnInit() { fmt.Println("Hello wrold") }
src/test_interface.git/task/interface.go
package task import () type Inter interface { OnInit() } type App struct { app Inter } func NewInter(tmp Inter) *App { app1 := new(App) app1.app = tmp return app1 } func (self *App) OnInit() { self.app.OnInit() }
编译
go run main.go
执行结果:
Hello wrold
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