日志log

log

记录日志可以添加 前缀，后缀，时间等信息

日志记录到文件

package main

import (

"log"

"os"

)

func main()  {

file,err := os.Create("test.log")

if err != nil {

  log.Fatalln("fail to create test.log file!")

}

defer file.Close()

logger := log.New(file, "info:", log.LstdFlags|log.Lshortfile)

logger.Println("this is phpddt.com testing")//info:2015/11/15 01:11:48 test.go:17: this is phpddt.com testing

}