golang获取运行的当前用户信息

import (
    "fmt"
    "os/user"
    "testing"
)

func TestUser(tt *testing.T) {
    u, err := user.Current()
    if err != nil {
        tt.Error(err)
    }
    fmt.Println("当前用户")
    fmt.Printf("Gid %s\n", u.Gid)
    fmt.Printf("Uid %s\n", u.Uid)
    fmt.Printf("Username %s\n", u.Username)
    fmt.Printf("Name %s\n", u.Name)
    fmt.Printf("HomeDir %s\n", u.HomeDir)
}