开源地址

  • https://github.com/go-packagist/logger
  • https://flc.io/go-packagist-logger/
阐明： 设计参考 PHP PSR-3 标准，做了一些调整后实现。

装置

go get github.com/go-packagist/logger

教程

package mainimport (    "fmt"    "github.com/go-packagist/logger"    "time")type CustomLogger struct {    logger.Loggerable}var _ logger.Logger = (*CustomLogger)(nil)func NewCustomLogger() *CustomLogger {    c := &CustomLogger{        Loggerable: func(level logger.Level, s string) {            fmt.Println(fmt.Sprintf("%s %s: %s", time.Now().Format(time.DateTime), level.UpperString(), s))        },    }    return c}func main() {    c := NewCustomLogger()    c.Emergencyf("Emergencyf: %s", "test")    c.Alertf("Alertf: %s", "test")    c.Criticalf("Criticalf: %s", "test")    c.Errorf("Errorf: %s", "test")    c.Warningf("Warningf: %s", "test")    c.Noticef("Noticef: %s", "test")    c.Infof("Infof: %s", "test")    c.Debugf("Debugf: %s", "test")    c.Emergency("Emergency: test")    c.Alert("Alert: test")    c.Critical("Critical: test")    c.Error("Error: test")    c.Warning("Warning: test")    c.Notice("Notice: test")    c.Info("Info: test")    c.Debug("Debug: test")    c.Log(logger.Emergency, "Log: Emergency: test")    // Output:    // 2023-03-28 23:18:13 EMERGENCY: Emergencyf: test    // 2023-03-28 23:18:13 ALERT: Alertf: test    // 2023-03-28 23:18:13 CRITICAL: Criticalf: test    // 2023-03-28 23:18:13 ERROR: Errorf: test    // 2023-03-28 23:18:13 WARNING: Warningf: test    // 2023-03-28 23:18:13 NOTICE: Noticef: test    // 2023-03-28 23:18:13 INFO: Infof: test    // 2023-03-28 23:18:13 DEBUG: Debugf: test    // 2023-03-28 23:18:13 EMERGENCY: Emergency: test    // 2023-03-28 23:18:13 ALERT: Alert: test    // 2023-03-28 23:18:13 CRITICAL: Critical: test    // 2023-03-28 23:18:13 ERROR: Error: test    // 2023-03-28 23:18:13 WARNING: Warning: test    // 2023-03-28 23:18:13 NOTICE: Notice: test    // 2023-03-28 23:18:13 INFO: Info: test    // 2023-03-28 23:18:13 DEBUG: Debug: test    // 2023-03-28 23:18:13 EMERGENCY: Log: Emergency: test}

内置 Logger

  • logger.NewNullLogger() - 啥也不干
  • logger.NewPrintLogger() - 打印到控制台

参考资料

  • PSR-3: Logger Interface：https://www.php-fig.org/psr/psr-3/
  • PSR Log：https://github.com/php-fig/log
  • Go Redis: https://github.com/redis/go-redis/ （参考了一些设计思路）