electricity_bill_calc_service/logger/rolling.go
2023-06-12 17:09:13 +08:00

28 lines
511 B
Go

package logger
import (
"fmt"
"io"
"log"
"math"
"os"
"time"
"gopkg.in/natefinch/lumberjack.v2"
)
func newRollingWriter() io.Writer {
if err := os.MkdirAll("log", 0744); err != nil {
log.Println("不能创建用于保存日志的目录。")
return nil
}
now := time.Now()
return &lumberjack.Logger{
Filename: fmt.Sprintf("log/service_%s.log", now.Format("2006-01-02_15")),
MaxBackups: math.MaxInt, // files
MaxSize: 200, // megabytes
MaxAge: math.MaxInt, // days
}
}