项目依赖

• file-rotatelogs
• lfshook
• logrus

参考代码

package middleware

import (
	"github.com/gin-gonic/gin"
	rotatelogs "github.com/lestrrat-go/file-rotatelogs"
	"github.com/rifflock/lfshook"
	"github.com/sirupsen/logrus"
	"log"
	"os"
	"time"
)

func Logger() gin.HandlerFunc {
	logClient := logrus.New()
	path := os.Getenv("APP_ACCESS_LOG_PATH")
	logWriter, err := rotatelogs.New(
		path+".%Y%m%d%H%M",
		rotatelogs.WithLinkName(path),
		rotatelogs.WithMaxAge(7*24*time.Hour),
		rotatelogs.WithRotationTime(24*time.Hour),
	)

	if err != nil {
		log.Fatalf("failed to create rotatelogs: %s", err)
	}

	writeMap := lfshook.WriterMap{
		logrus.InfoLevel:  logWriter,
		logrus.FatalLevel: logWriter,
	}
	lfHook := lfshook.NewHook(writeMap, &logrus.JSONFormatter{})
	logClient.AddHook(lfHook)

	return func(c *gin.Context) {
		start := time.Now()
		c.Next()
		end := time.Now()

		latency := end.Sub(start)
		path := c.Request.URL.Path
		clientIP := c.ClientIP()
		method := c.Request.Method
		statusCode := c.Writer.Status()

		logClient.Infof("| %3d | %13v | %15s | %s  %s |",
			statusCode,
			latency,
			clientIP,
			method, path,
		)
	}
}