在线阅读文件

string fileName = "201096218686"; string p = "201096198974.pdf";//定义文件名 string filePath = Server.MapPath("DataFile/" + p);//转换为物理路径 Response.ClearContent();//清空缓冲区内容 Response.ClearHeaders();//清空缓冲区HTTP头 string FilePost = filePath.Substring(filePath.Length - 3).ToLower();//取扩展名 switch (FilePost) { case "pdf"://PDF文件 Response.ContentType = "application/PDF";//设置HTTP头为PDF文档其它类似 break; case "doc": Response.ContentType = "application/msword"; break; case "xls": Response.ContentType = "application/vnd.ms-excel"; break; default: Session["ErrorInfo"] = "不支持的文件格式:" + FilePost; Response.Redirect("ErrorPage.aspx"); break; } Response.WriteFile(filePath);//写入客户端 Response.Flush();//客户更新 Response.Close();//写入关闭 Session.Remove("Report");//移除"Report"Session