Gin Download File example

func DownloadLicense(c *gin.Context) {
    content:="Download file here happliy"
    fileName := "hello.txt"
    c.Header("Content-Disposition", "attachment; filename="+fileName)
    c.Header("Content-Type", "application/text/plain")
    c.Header("Accept-Length", fmt.Sprintf("%d", len(content)))
    c.Writer.Write([]byte(content))
    c.JSON(http.StatusOK, gin.H{
        "msg": "Download file successfully",
    })
}