Go: Gin custom log output format

In this paper, the experiment gin frame Custom log format

Code ：

package main

import (
    "fmt"
    "time"

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

func main() {
    router := gin.New()
    // LoggerWithFormatter middleware will write the logs to gin.DefaultWrite
    // 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")
}

Copy

Running results ：

[GIN-debug] GET /ping --> main.main.func2 (3 handlers)

[GIN-debug] Listening and serving HTTP on :8080

::1 - [Thu, 05 July 2022 19:28:05 CST] "GET / HTTP/1.1 404 5.113µs "curl/7.54.0" "

::1 - [Thu, 05 July 2022 19:28:05 CST] "GET / HTTP/1.1 404 1.029µs "curl/7.54.0" "

::1 - [Thu, 05 July 2022 19:28:06 CST] "GET / HTTP/1.1 404 1.19µs "curl/7.54.0" "

::1 - [Thu, 05 July 2022 19:28:10 CST] "GET / HTTP/1.1 404 1.565µs "curl/7.54.0" "

::1 - [Thu, 05 July 2022 19:29:08 CST] "GET /ping HTTP/1.1 200 157.996µs "curl/7.54.0" "

::1 - [Thu, 05 July 2022 19:29:09 CST] "GET /ping HTTP/1.1 200 68.985µs "curl/7.54.0" "