func SetuupLogger() {
    logFilelocation,_ := os.OpenFile("D:\\TryDir", os.O_CREATE|os.O_APPEND|os.RDWR,0744)
    //這里先打開(kāi)指定位置的文件，然后指定為日志輸出位置
    log.SetOutput(logFilelocation )
}

go get -u go.uber.org/zap

package main
import (
	"net/http"
	"go.uber.org/zap"
)
var logger *zap.Logger
func main() {
	InitLogger()
	defer logger.Sync()
	simpleHttpGet("golang.google.cn/")
	simpleHttpGet("https://golang.google.cn/")
}
func InitLogger() {
	logger, _ = zap.NewProduction()
}
func simpleHttpGet(url string) {
	resp, err := http.Get(url)
	if err != nil {
		logger.Error( //記錄錯(cuò)誤級(jí)別的日志
			"Error fetching url..",
			zap.String("url", url), //添加字符串字段
			zap.Error(err))         //專門(mén)記錄error的類型，會(huì)自動(dòng)提取error信息
	} else {
		logger.Info("Success..", //記錄信息級(jí)別的日志
			zap.String("statusCode", resp.Status),
			zap.String("url", url))
		resp.Body.Close()
	}
}

func New(core zapcore.Core, options ...Option) *Logger

zapcore.NewJSONEncoder(zap.NewProductionEncoderConfig())  
//NewJSONEncoder開(kāi)箱即用，ProductionEncoderConfig也已經(jīng)預(yù)先設(shè)置好了

	EncoderConfig := zap.NewProductionEncoderConfig()
	EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
	encoder := zapcore.NewConsoleEncoder(EncoderConfig)
 //使用NewConsoleEncoder編碼器的話，日志會(huì)以純文本的形式寫(xiě)入日志文件，并添加Unix時(shí)間戳

file, _ := os.Open("./Log.log")
writeSyncer := zapcore.AddSync(file)

func InitLogger() {
	file, _ := os.OpenFile("D:\\TryDir\\Log.log", os.O_CREATE|os.O_RDWR|os.O_APPEND, 0666)
	writeSyncer := zapcore.AddSync(file)
	encoder := zapcore.NewJSONEncoder(zap.NewProductionEncoderConfig())
	Core := zapcore.NewCore(encoder, writeSyncer, zapcore.DebugLevel)
	logger = zap.New(Core)
}

logger = zap.New(core,zap.AddCaller())

go get gopkg.in/natefinch/lumberjack.v2

	lumberjackLogger := &lumberjack.Logger{
		Filename:   "./Log.log", //日志文件路徑
		MaxSize:    5,           //日志文件最大尺寸 單位：MB
		MaxBackups: 5,           //日志文件最大保存份數(shù),即備份數(shù)量
		MaxAge:     30,          //日志文件最大備份保存天數(shù)
		Compress:   false,       //是否壓縮
	}
	writeSyncer := zapcore.AddSync(lumberjackLogger)

func GinLogger(logger *zap.Logger) gin.HandlerFunc {
	return func(c *gin.Context) {
		start := time.Now()
		path := c.Request.URL.Path
		query := c.Request.URL.RawQuery
		c.Next()
		cost := time.Since(start)
		logger.Info(path,
			zap.Int("status", c.Writer.Status()),
			zap.String("method", c.Request.Method),
			zap.String("path", path),
			zap.String("query", query),
			zap.String("ip", c.ClientIP()),
			zap.String("user-agent", c.Request.UserAgent()),
			zap.String("errors", c.Errors.ByType(gin.ErrorTypePrivate).String()),
			zap.Duration("cost", cost),
		)
	}
}
func GinRecovery(logger *zap.Logger, stack bool) gin.HandlerFunc {
	return func(c *gin.Context) {
		defer func() {
			if err := recover(); err != nil {
				var brokenPipe bool
				if ne, ok := err.(*net.OpError); ok {
					if se, ok := ne.Err.(*os.SyscallError); ok {
						if strings.Contains(strings.ToLower(se.Error()), "broken pipe") || strings.Contains(strings.ToLower(se.Error()), "connection reset by peer") {
							brokenPipe = true
						}
					}
				}
				httpRequest, _ := httputil.DumpRequest(c.Request, false)
				if brokenPipe {
					logger.Error(c.Request.URL.Path,
						zap.Any("error", err),
						zap.String("request", string(httpRequest)),
					)
					c.Error(err.(error))
					c.Abort()
					return
				}
				if stack {
					logger.Error("[Recovery from panic]",
						zap.Any("error", err),
						zap.String("request", string(httpRequest)),
						zap.String("stack", string(debug.Stack())),
					)
				} else {
					logger.Error("[Recovery from panic]",
						zap.Any("error", err),
						zap.String("request", string(httpRequest)),
					)
				}
				c.AbortWithStatus(http.StatusInternalServerError)
			}
		}()
		c.Next()
	}
}