using?System;
using?System.Collections.Generic;
using?System.IO;
using?System.Linq;
using?System.Web;
using?System.Web.UI;
using?System.Web.UI.WebControls;

public?partial?class?updown?:?System.Web.UI.Page
{
????protected?void?Page_Load（object?sender?EventArgs?e）
????{

????}

????protected?void?Button1_Click（object?sender?EventArgs?e）
????{
????????string?fullFileName?=?this.Upload.PostedFile.FileName;
????????//從路徑中截取出文件名
????????string?fileName?=?fullFileName.Substring（fullFileName.LastIndexOf（‘\\‘）?+?1）;
????????//限定上傳文件的格式
????????string?type?=?fullFileName.Substring（fullFileName.LastIndexOf（‘.‘）?+?1）;
????????if?（type?==?“jpg“?）
????????{
????????????//將文件保存在服務器中根目錄下的files文件夾中
????????????string?saveFileName?=?Server.MapPath（“files\\“）?+?“\\“?+?fileName;
????????????Upload.PostedFile.SaveAs（saveFileName）;
????????????

????????????////向數據庫中存儲相應通知的附件的目錄
????????????//string?id?=?Guid.NewGuid（）.ToString（）;
????????????//DateInsert?di?=?new?DateInsert（）;
????????????//di.insertDate（id?fileName?saveFileName）;
????????????Response.Write（“上傳成功!
“）;

????????????//BLL.news.InsertAnnexBLL?insertAnnex?=?new?BLL.news.InsertAnnexBLL（）;
????????????//AnnexEntity?annex?=?new?AnnexEntity（）;?????//創建附件的實體
????????????//annex.AnnexName?=?fileName;???????????????//附件名
????????????//annex.AnnexContent?=?saveFileName;????????//附件的存儲路徑
????????????//annex.NoticeId?=?noticeId;??????????????//附件所屬“通知”的ID在這里為已知
????????????//insertAnnex.InsertAnnex（annex）;?????????//將實體存入數據庫（其實就是講實體的這些屬性insert到數據庫中的過程，具體BLL層和DAL層的代碼這里不再多說）
????????}
????????else
????????{
????????????Response.Write（“只能上傳.jpg格式文件!
“）;
????????}
????}

????protected?void?Button2_Click（object?sender?EventArgs?e）
????{
????????try
????????{
????????????string?strFilePath?=?Server.MapPath（“~“）?+?“/files/0.jpg“;//服務器文件路徑
????????????FileInfo?fileInfo?=?new?FileInfo（strFilePath）;
????????????Response.Clear（）;
????????????Response.Charset?=?“GB2312“;
????????????Response.ContentEncoding?=?System.Text.Encoding.UTF8;
????????????Response.AddHeader（“Content-Disposition“?“attachment;filename=“?+?Server.UrlEncode（fileInfo.Name））;
????????????Response.AddHeader（“Content-Length“?fileInfo.Length.ToString（））;
????????????Response.ContentType?=?“application/x-bittorrent“;
????????????Response.WriteFile（fileInfo.FullName）;
????????????Response.End（）;
????????}
????????catch?（System.Threading.ThreadAbortException?ex）
????????{
????????????//不做處理
????????}
????????catch?（Exception?ex）
????????{
????????????//做處理
????????}
????}

????protected?void?Button3_Click（object?sender?EventArgs?e）
????{
????????Image1.ImageUrl?=?“../files/0.jpg“;
????????popupChangeRuleImg.ShowOnPageLoad=true;
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-04-17?12:16??WebSite2\
?????目錄???????????0??2019-04-17?12:16??WebSite2\.vs\
?????目錄???????????0??2019-04-17?12:16??WebSite2\.vs\config\
?????文件???????83790??2019-04-17?13:08??WebSite2\.vs\config\applicationhost.config
?????目錄???????????0??2019-04-17?12:16??WebSite2\.vs\WebSite2\
?????目錄???????????0??2019-04-17?12:17??WebSite2\.vs\WebSite2\v15\
?????文件???????57344??2019-04-19?13:34??WebSite2\.vs\WebSite2\v15\.suo
?????目錄???????????0??2019-04-17?12:17??WebSite2\.vs\WebSite2\v15\Server\
?????目錄???????????0??2019-04-17?12:17??WebSite2\.vs\WebSite2\v15\Server\sqlite3\
?????文件???????????0??2019-04-17?12:17??WebSite2\.vs\WebSite2\v15\Server\sqlite3\db.lock
?????文件?????1392640??2019-04-17?19:33??WebSite2\.vs\WebSite2\v15\Server\sqlite3\storage.ide
?????文件???????32768??2019-04-19?13:34??WebSite2\.vs\WebSite2\v15\Server\sqlite3\storage.ide-shm
?????文件?????4494952??2019-04-19?13:34??WebSite2\.vs\WebSite2\v15\Server\sqlite3\storage.ide-wal
?????目錄???????????0??2019-04-17?12:16??WebSite2\packages\
?????目錄???????????0??2019-04-17?12:16??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\
?????文件????????9355??2018-05-24?16:38??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\.signature.p7s
?????目錄???????????0??2019-04-17?12:16??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\
?????目錄???????????0??2019-04-17?12:16??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net45\
?????文件?????????271??2018-05-24?13:38??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.Extensions.props
?????文件????????5530??2018-05-24?13:38??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net45\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props
?????目錄???????????0??2019-04-17?12:16??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net46\
?????文件?????????275??2018-05-24?13:38??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.Extensions.props
?????文件????????5530??2018-05-24?13:38??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props
?????目錄???????????0??2019-04-17?12:16??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\content\
?????目錄???????????0??2019-04-17?12:16??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\content\net45\
?????文件????????2421??2018-05-24?13:38??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\content\net45\app.config.install.xdt
?????文件?????????994??2018-05-24?13:38??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\content\net45\app.config.uninstall.xdt
?????文件????????2131??2018-05-24?13:38??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\content\net45\web.config.install.xdt
?????文件?????????742??2018-05-24?13:38??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\content\net45\web.config.uninstall.xdt
?????目錄???????????0??2019-04-17?12:16??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\content\net46\
?????文件????????2432??2018-05-24?13:38??WebSite2\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.0\content\net46\app.config.install.xdt
............此處省略191個文件信息