C# 根据时间创建文件夹

时间：2020-12-13 23:31:54
 string file = ((fileNameIndex)index).ToString();

                    if (!Directory.Exists(HttpContext.Current.Server.MapPath("~/admin/upload/") + ((fileNameIndex)index).ToString()))

                        Directory.Exists(HttpContext.Current.Server.MapPath("~/admin/upload/") + ((fileNameIndex)index).ToString());

                    if (!Directory.Exists(HttpContext.Current.Server.MapPath("~/admin/upload/") + file + "/" + DateTime.Now.ToString("yyyy")))

                        Directory.CreateDirectory(HttpContext.Current.Server.MapPath("~/admin/upload/") + file + "/" + DateTime.Now.ToString("yyyy"));

                    if (!Directory.Exists(HttpContext.Current.Server.MapPath("~/admin/admin/upload/" + file + "/" + DateTime.Now.ToString("yyyy/MM"))))

                        Directory.CreateDirectory(HttpContext.Current.Server.MapPath("~/admin/upload/" + file + "/" + DateTime.Now.ToString("yyyy/MM")));

                    if (!Directory.Exists(HttpContext.Current.Server.MapPath("~/admin/upload/" + file + "/" + DateTime.Now.ToString("yyyy/MM/dd"))))

                        Directory.CreateDirectory(HttpContext.Current.Server.MapPath("~/admin/upload/" + file + "/" + DateTime.Now.ToString("yyyy/MM/dd")));

                    if (!Directory.Exists(HttpContext.Current.Server.MapPath("~/admin/upload/" + file + "/" + DateTime.Now.ToString("yyyy/MM/dd"))))

                        Directory.CreateDirectory(HttpContext.Current.Server.MapPath("~/admin/upload/" + file + "/" + DateTime.Now.ToString("yyyy/MM/dd")));

                    imgsrc = HttpContext.Current.Server.MapPath("~/admin/upload/" + file + "/" + DateTime.Now.ToString("yyyy/MM/dd/") + img);

                    imgsrc = "/admin/upload/" + file + "/" + DateTime.Now.ToString("yyyy/MM/dd/") + img;

　　

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