zap log日志简单使用 开箱即用 go日志

安装:go get -u go.uber.org/zap

初始化

package logZap

var Logger *zap.Logger

func Init() {
	var path string
	var serverName ="app_name"
	path = "/var/log/"
	if runtime.GOOS == "windows" {
		path = "./"
	} else {
		path = "/var/log/" + serverName + "/"
	}
	pathInfo := path + core.New().ServerInfo.ServerName + "_info.log"
	pathError := path + core.New().ServerInfo.ServerName + "_error.log"
	var err error
	Logger, err = GetLogger(pathInfo, pathError)
	if err != nil {
		panic(err)
	}
}

func GetLogger(infoPath, errorPath string) (*zap.Logger, error) {
	highPriority := zap.LevelEnablerFunc(func(lev zapcore.Level) bool {
		return lev >= zap.ErrorLevel
	})
	lowPriority := zap.LevelEnablerFunc(func(lev zapcore.Level) bool {
		return lev < zap.ErrorLevel && lev >= zap.DebugLevel
	})
	prodEncoder := zap.NewProductionEncoderConfig()
	prodEncoder.EncodeTime = zapcore.ISO8601TimeEncoder
	lowWriteSyncer, lowClose, err := zap.Open(infoPath)
	if err != nil {
		lowClose()
		return nil, err
	}
	highWriteSyncer, highClose, err := zap.Open(errorPath)
	if err != nil {
		highClose()
		return nil, err
	}
	highCore := zapcore.NewCore(zapcore.NewJSONEncoder(prodEncoder), highWriteSyncer, highPriority)
	lowCore := zapcore.NewCore(zapcore.NewJSONEncoder(prodEncoder), lowWriteSyncer, lowPriority)
	return zap.New(zapcore.NewTee(highCore, lowCore), zap.AddCaller()), nil
}

打印错误：

logZap.Logger.Error("error:", zap.Error(err))

打印debug:

logZap.Logger.Debug("port form:",zap.String("portStr",portStr))

zap支持的go的数据类型：https://pkg.go.dev/go.uber.org/zap#Field

zap日志打印方法等级：https://pkg.go.dev/go.uber.org/zap#Logger