golang 5. import

lib1/lib1.go

package lib1

import "fmt"

//当前lib1包提供的API
func Lib1Test() {
	fmt.Println("lib1Test()...")
}

func init() {
	fmt.Println("lib1. init() ...")
}

lib2/lib2.go

package lib2

import "fmt"

//当前lib2包提供的API
func Lib2Test() {
	fmt.Println("lib2Test()...")
}

func init() {
	fmt.Println("lib2. init() ...")
}

main.go

package main

import (
	_ "GolangStudy/5-init/lib1"
	mylib2 "GolangStudy/5-init/lib2"
	//. "GolangStudy/5-init/lib2"
)

func main() {
	//lib1.lib1Test()

	//lib2.Lib2Test()
	mylib2.Lib2Test()
	//Lib2Test()
}