go : gin 自定义日志输出格式

最新推荐文章于 2025-03-20 19:37:52 发布

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最新推荐文章于 2025-03-20 19:37:52 发布

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分类专栏： go语言编程

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本文介绍如何使用gin框架自定义日志输出格式，通过编写中间件实现对请求信息的个性化记录，包括客户端IP、时间戳、请求方法、路径等关键信息。

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背景：
本文实验gin 框架自定义日志格式
代码：

package main

import (
	"fmt"
	"time"

	"github.com/gin-gonic/gin"
)

func main() {
	router := gin.New()
	// LoggerWithFormatter middleware will write the logs to gin.DefaultWriter
	// By default gin.DefaultWriter = os.Stdout
	router.Use(gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
		// your custom format
		return fmt.Sprintf("%s - [%s] \"%s %s %s %d %s \"%s\" %s\"\n",
			param.ClientIP,
			param.TimeStamp.Format(time.RFC1123),
			param.Method,
			param.Path,
			param.Request.Proto,
			param.StatusCode,
			param.Latency,
			param.Request.UserAgent(),
			param.ErrorMessage,
		)
	}))
	router.Use(gin.Recovery())
	router.GET("/ping", func(c *gin.Context) {
		c.String(200, "pong")
	})
	router.Run(":8080")
}

运行结果：

[GIN-debug] GET    /ping                     --> main.main.func2 (3 handlers)
[GIN-debug] Listening and serving HTTP on :8080
::1 - [Thu, 05 Dec 2019 19:28:05 CST] "GET / HTTP/1.1 404 5.113µs "curl/7.54.0" "
::1 - [Thu, 05 Dec 2019 19:28:05 CST] "GET / HTTP/1.1 404 1.029µs "curl/7.54.0" "
::1 - [Thu, 05 Dec 2019 19:28:06 CST] "GET / HTTP/1.1 404 1.19µs "curl/7.54.0" "
::1 - [Thu, 05 Dec 2019 19:28:10 CST] "GET / HTTP/1.1 404 1.565µs "curl/7.54.0" "
::1 - [Thu, 05 Dec 2019 19:29:08 CST] "GET /ping HTTP/1.1 200 157.996µs "curl/7.54.0" "
::1 - [Thu, 05 Dec 2019 19:29:09 CST] "GET /ping HTTP/1.1 200 68.985µs "curl/7.54.0" "