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Ginでリクエストボディをstringで受け取る

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リクエストボディを構造体にマッピングする以前に、どんなリクエストが来ているのか知るためにstringで見たいときがある。

package main

import (
        "fmt"
        "github.com/gin-gonic/gin"
)

func main() {
        router := gin.New()

        router.POST("hoge", func(c *gin.Context) {
                buf := make([]byte, 2048)
                n, _ := c.Request.Body.Read(buf)
                b := string(buf[0:n])
                fmt.Println(b)

                c.Status(200)
        })

        router.Run()
}

https://github.com/gin-gonic/gin/issues/1295#issuecomment-380631496

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