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最新推荐文章于 2025-02-07 22:30:00 发布

原创最新推荐文章于 2025-02-07 22:30:00 发布 · 514 阅读

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#file

System.IO.FileInfo file = new System.IO.FileInfo(MyFileName);
Response.Clear();
Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(file.Name));

                    Response.AddHeader("Content-Length", file.Length.ToString());
                    Response.ContentType = "application/octet-stream";
                    Response.WriteFile(file.FullName);
                    Response.End();