zap接收gin框架預設的紀錄檔並設定紀錄檔歸檔範例

func main() {
	r := gin.Default()
	r.GET("/hello", func(c *gin.Context) {
		c.String("hello liwenzhou.com!")
	})
	r.Run(
}

func Default() *Engine {
	debugPrintWARNINGDefault()
	engine := New()
	engine.Use(Logger(), Recovery())
	return engine
}

// GinLogger 接收gin框架預設的紀錄檔
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),
		)
	}
}
// GinRecovery recover掉專案可能出現的panic
func GinRecovery(logger *zap.Logger, stack bool) gin.HandlerFunc {
	return func(c *gin.Context) {
		defer func() {
			if err := recover(); err != nil {
				// Check for a broken connection, as it is not really a
				// condition that warrants a panic stack trace.
				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)),
					)
					// If the connection is dead, we can't write a status to it.
					c.Error(err.(error)) // nolint: errcheck
					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()
	}
}

r := gin.New()
r.Use(GinLogger(), GinRecovery())

package logger
import (
	"gin_zap_demo/config"
	"net"
	"net/http"
	"net/http/httputil"
	"os"
	"runtime/debug"
	"strings"
	"time"
	"github.com/gin-gonic/gin"
	"github.com/natefinch/lumberjack"
	"go.uber.org/zap"
	"go.uber.org/zap/zapcore"
)
var lg *zap.Logger
// InitLogger 初始化Logger
func InitLogger(cfg *config.LogConfig) (err error) {
	writeSyncer := getLogWriter(cfg.Filename, cfg.MaxSize, cfg.MaxBackups, cfg.MaxAge)
	encoder := getEncoder()
	var l = new(zapcore.Level)
	err = l.UnmarshalText([]byte(cfg.Level))
	if err != nil {
		return
	}
	core := zapcore.NewCore(encoder, writeSyncer, l)
	lg = zap.New(core, zap.AddCaller())
	zap.ReplaceGlobals(lg) // 替換zap包中全域性的logger範例，後續在其他包中只需使用zap.L()呼叫即可
	return
}
func getEncoder() zapcore.Encoder {
	encoderConfig := zap.NewProductionEncoderConfig()
	encoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
	encoderConfig.TimeKey = "time"
	encoderConfig.EncodeLevel = zapcore.CapitalLevelEncoder
	encoderConfig.EncodeDuration = zapcore.SecondsDurationEncoder
	encoderConfig.EncodeCaller = zapcore.ShortCallerEncoder
	return zapcore.NewJSONEncoder(encoderConfig)
}
func getLogWriter(filename string, maxSize, maxBackup, maxAge int) zapcore.WriteSyncer {
	lumberJackLogger := &lumberjack.Logger{
		Filename:   filename,
		MaxSize:    maxSize,
		MaxBackups: maxBackup,
		MaxAge:     maxAge,
	}
	return zapcore.AddSync(lumberJackLogger)
}
// GinLogger 接收gin框架預設的紀錄檔
func GinLogger() 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)
		lg.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),
		)
	}
}
// GinRecovery recover掉專案可能出現的panic，並使用zap記錄相關紀錄檔
func GinRecovery(stack bool) gin.HandlerFunc {
	return func(c *gin.Context) {
		defer func() {
			if err := recover(); err != nil {
				// Check for a broken connection, as it is not really a
				// condition that warrants a panic stack trace.
				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 {
					lg.Error(c.Request.URL.Path,
						zap.Any("error", err),
						zap.String("request", string(httpRequest)),
					)
					// If the connection is dead, we can't write a status to it.
					c.Error(err.(error)) // nolint: errcheck
					c.Abort()
					return
				}
				if stack {
					lg.Error("[Recovery from panic]",
						zap.Any("error", err),
						zap.String("request", string(httpRequest)),
						zap.String("stack", string(debug.Stack())),
					)
				} else {
					lg.Error("[Recovery from panic]",
						zap.Any("error", err),
						zap.String("request", string(httpRequest)),
					)
				}
				c.AbortWithStatus(http.StatusInternalServerError)
			}
		}()
		c.Next()
	}
}

type LogConfig struct {
	Level string `json:"level"`
	Filename string `json:"filename"`
	MaxSize int `json:"maxsize"`
	MaxAge int `json:"max_age"`
	MaxBackups int `json:"max_backups"`
}

package main
import (
	"fmt"
	"gin_zap_demo/config"
	"gin_zap_demo/logger"
	"net/http"
	"os"
	"go.uber.org/zap"
	"github.com/gin-gonic/gin"
)
func main() {
	// load config from config.json
	if len(os.Args) < 1 {
		return
	}
	if err := config.Init(os.Args[1]); err != nil {
		panic(err)
	}
	// init logger
	if err := logger.InitLogger(config.Conf.LogConfig); err != nil {
		fmt.Printf("init logger failed, err:%vn", err)
		return
	}
	gin.SetMode(config.Conf.Mode)
	r := gin.Default()
	// 註冊zap相關中介軟體
	r.Use(logger.GinLogger(), logger.GinRecovery(true))
	r.GET("/hello", func(c *gin.Context) {
		// 假設你有一些資料需要記錄到紀錄檔中
		var (
			name = "q1mi"
			age  = 18
		)
		// 記錄紀錄檔並使用zap.Xxx(key, val)記錄相關欄位
		zap.L().Debug("this is hello func", zap.String("user", name), zap.Int("age", age))

		c.String(http.StatusOK, "hello liwenzhou.com!")
	})
	addr := fmt.Sprintf(":%v", config.Conf.Port)
	r.Run(addr)
}