Go user包

浏览数：28 / 时间：2015年06月10日

user的结构：

type User struct {
    Uid      string // user id
    Gid      string // primary group id
    Username string
    Name     string
    HomeDir  string
}

user包中的主要函数：

    type User
        func Current() (*User, error)
        func Lookup(username string) (*User, error)
        func LookupId(uid string) (*User, error)

事例1 windows：

package main

import (
	"fmt"
	"os/user"
)

func main() {
	usr, error := user.Current()
	if error == nil {
		fmt.Println(usr)
	}
}

[ `go run testuser.go` | done: 7.5934343s ]
	&{S-1-5-21-2450167352-2372647358-1749370957-1000 S-1-5-21-2450167352-2372647358-1749370957-513 City-PC\City  C:\Users\City}

事例2 windows：

package main

import (
	"fmt"
	"os/user"
)

func main() {
	usr, error := user.Current()
	if error == nil {
		fmt.Println(usr.Uid)
		fmt.Println(usr.Gid)
		fmt.Println(usr.Username)
		fmt.Println(usr.Name)
		fmt.Println(usr.HomeDir)
		_usr, error1 := user.Lookup(usr.Username)
		if error1 == nil {
			fmt.Println(_usr)
		} else {
			fmt.Println(error1.Error())
		}
	} else {
		fmt.Println(error.Error())
	}
}
[ `go run testuser.go` | done: 14.3608214s ]
	S-1-5-21-2450167352-2372647358-1749370957-1000
	S-1-5-21-2450167352-2372647358-1749370957-513
	City-PC\City
	
	C:\Users\City
	&{S-1-5-21-2450167352-2372647358-1749370957-1000 unknown City-PC\City  Unknown directory}

事例3 windows：

package main

import (
	"fmt"
	"os/user"
)

func main() {
	usr, error := user.Current()
	if error == nil {
		fmt.Println(usr.Uid)
		fmt.Println(usr.Gid)
		fmt.Println(usr.Username)
		fmt.Println(usr.Name)
		fmt.Println(usr.HomeDir)
		_usr, error1 := user.Lookup(usr.Uid)
		if error1 == nil {
			fmt.Println(_usr)
		} else {
			fmt.Println(error1.Error())
		}
	} else {
		fmt.Println(error.Error())
	}
}

[ `go run testuser.go` | done: 7.5694329s ]
	S-1-5-21-2450167352-2372647358-1749370957-1000
	S-1-5-21-2450167352-2372647358-1749370957-513
	City-PC\City
	
	C:\Users\City
	No mapping between account names and security IDs was done.

好像uid查询在windows上不怎么起作用

包的bug提示：

 Lookup and LookupId functions do not set Gid and HomeDir fields in the User struct returned on windows.

Linux,Fedora19

code:

package main
import(
        "fmt"
        "os/user"
)
func PrintUsr(usr *user.User){
        fmt.Println("------------------------------")
        fmt.Println("Uid: ",usr.Uid)
        fmt.Println("Gid: ",usr.Gid)
        fmt.Println("Username: ",usr.Username)
        fmt.Println("Name: ",usr.Name)
        fmt.Println("HomeDir: ",usr.HomeDir)
}
func main(){
        usr,_ := user.Current()
        PrintUsr(usr)
        user1,_:=user.Lookup(usr.Name)
        PrintUsr(user1)
        user2,_:=user.LookupId(usr.Uid)
        PrintUsr(user2)
}

Result:

[jjy@localhost user]$ go run testuser.go
------------------------------
Uid:  1000
Gid:  1000
Username:  jjy
Name:  jjy
HomeDir:  /home/jjy
------------------------------
Uid:  1000
Gid:  1000
Username:  jjy
Name:  jjy
HomeDir:  /home/jjy
------------------------------
Uid:  1000
Gid:  1000
Username:  jjy
Name:  jjy
HomeDir:  /home/jjy

本文来自：CSDN博客

感谢作者：king1076

查看原文：Go user包

郑重声明：本站内容如果来自互联网及其他传播媒体，其版权均属原媒体及文章作者所有。转载目的在于传递更多信息及用于网络分享，并不代表本站赞同其观点和对其真实性负责，也不构成任何其他建议。

Go user包