1<%...@ Page language="c#" %>
  2<script runat="server">...
  3
  4// Messages
  5private string NoFileMessage = "您没有选择文件。";
  6private string UploadSuccessMessage = "上传成功";
  7private string UploadFailureMessage = "上传失败。";
  8private string NoImagesMessage = "该文件夹不存在或者是空的";
  9private string NoFolderSpecifiedMessage = "您要上传到的文件夹不存在。";
 10private string NoFileToDeleteMessage = "您没有选中要删除的文件。";
 11private string InvalidFileTypeMessage = "您无法上传这种类型的文件。";
 12private string[] AcceptedFileTypes = new string[] ...{"jpg","jpeg","jpe","gif","png"};
 13
 14// Configuration
 15private bool    UploadIsEnabled = true;         // 是否允许上传文件
 16private bool    DeleteIsEnabled = true;         // 是否允许删除文件
 17private string    DefaultImageFolder = "images";  // 默认的起始文件夹
 18
 19private void Page_Load(object sender, System.EventArgs e) ...{
 20    string isframe = "" + Request["frame"];
 21    
 22    if (isframe != "") ...{
 23        MainPage.Visible = true;
 24        iframePanel.Visible = false;
 25    
 26        string rif = "" + Request["rif"];
 27        string cif = "" + Request["cif"];    
 28
 29        if (cif != "" && rif != "") ...{
 30            RootImagesFolder.Value = rif;
 31            CurrentImagesFolder.Value = cif;
 32        } else ...{
 33            RootImagesFolder.Value = DefaultImageFolder;
 34            CurrentImagesFolder.Value = DefaultImageFolder;    
 35        }
 36
 37        UploadPanel.Visible = UploadIsEnabled;
 38        DeleteImage.Visible = DeleteIsEnabled;
 39
 40        string FileErrorMessage = "";
 41        string ValidationString = ".*(";
 42        //[\.jpg]|[\.jpeg]|[\.jpe]|[\.gif]|[\.png])$"
 43        for (int i=0;i<AcceptedFileTypes.Length; i++) ...{
 44            ValidationString += "[\\." + AcceptedFileTypes[i] + "]";
 45            if (i < (AcceptedFileTypes.Length-1)) ValidationString += "|";
 46            FileErrorMessage += AcceptedFileTypes[i];
 47            if (i < (AcceptedFileTypes.Length-1)) FileErrorMessage += ", ";
 48        }
 49        FileValidator.ValidationExpression = ValidationString+")$";
 50        FileValidator.ErrorMessage=FileErrorMessage;
 51
 52        if (!IsPostBack) ...{
 53            DisplayImages();
 54        }
 55    } else ...{
 56        
 57    }
 58}
 59
 60public void UploadImage_OnClick(object sender, EventArgs e) ...{    
 61    if (Page.IsValid) ...{
 62        if (CurrentImagesFolder.Value != "") ...{
 63            if (UploadFile.PostedFile.FileName.Trim() != "") ...{
 64                if (IsValidFileType(UploadFile.PostedFile.FileName)) ...{
 65                    try ...{
 66                        string UploadFileName = "";
 67                        string UploadFileDestination = "";
 68                        UploadFileName = UploadFile.PostedFile.FileName;
 69                        UploadFileName = UploadFileName.Substring(UploadFileName.LastIndexOf("\\")+1);
 70                        UploadFileDestination = HttpContext.Current.Request.PhysicalApplicationPath;
 71                        UploadFileDestination += CurrentImagesFolder.Value;
 72                        UploadFileDestination += "\\";
 73                        UploadFile.PostedFile.SaveAs(UploadFileDestination + UploadFileName);
 74                        ResultsMessage.Text = UploadSuccessMessage;
 75                    } catch(Exception ex) ...{
 76                        //ResultsMessage.Text = "Your file could not be uploaded: " + ex.Message;
 77                        ResultsMessage.Text = UploadFailureMessage;
 78                    }
 79                } else ...{
 80                    ResultsMessage.Text = InvalidFileTypeMessage;
 81                }
 82            } else ...{
 83                ResultsMessage.Text = NoFileMessage;
 84            }
 85        } else ...{
 86            ResultsMessage.Text = NoFolderSpecifiedMessage;
 87        }
 88    } else ...{
 89        ResultsMessage.Text = InvalidFileTypeMessage;
 90        
 91    }
 92    DisplayImages();
 93}
 94
 95public void DeleteImage_OnClick(object sender, EventArgs e) ...{
 96    if (FileToDelete.Value != "" && FileToDelete.Value != "undefined") ...{
 97        try ...{
 98            string AppPath = HttpContext.Current.Request.PhysicalApplicationPath;
 99            System.IO.File.Delete(AppPath  + CurrentImagesFolder.Value + "\\" + FileToDelete.Value);
100            ResultsMessage.Text = "已删除: " + FileToDelete.Value;
101        } catch(Exception ex) ...{            
102            ResultsMessage.Text = "删除失败。";
103        }
104    } else ...{
105        ResultsMessage.Text = NoFileToDeleteMessage;
106    }
107    DisplayImages();
108}
109
110private bool IsValidFileType(string FileName) ...{
111    string ext = FileName.Substring(FileName.LastIndexOf(".")+1,FileName.Length-FileName.LastIndexOf(".")-1);
112    for (int i=0; i<AcceptedFileTypes.Length; i++) ...{
113        if (ext == AcceptedFileTypes[i]) ...{
114            return true;
115            
116        }    
117    }
118    return false;
119}
120
121
122private string[] ReturnFilesArray() ...{
123    if (CurrentImagesFolder.Value != "") ...{
124        try ...{
125            string AppPath = HttpContext.Current.Request.PhysicalApplicationPath;
126            string ImageFolderPath = AppPath + CurrentImagesFolder.Value;
127            string[] FilesArray = System.IO.Directory.GetFiles(ImageFolderPath,"*");
128            return FilesArray;
129            
130            
131        } catch ...{
132        
133            return null;
134        }
135    } else ...{
136        return null;
137    }
138
139}
140
141private string[] ReturnDirectoriesArray() ...{
142    if (CurrentImagesFolder.Value != "") ...{
143        try ...{
144            string AppPath = HttpContext.Current.Request.PhysicalApplicationPath;
145            string CurrentFolderPath = AppPath + CurrentImagesFolder.Value;
146            string[] DirectoriesArray = System.IO.Directory.GetDirectories(CurrentFolderPath,"*");
147            return DirectoriesArray ;
148        } catch ...{
149            return null;
150        }
151    } else ...{
152        return null;
153    }
154}
155
156public void DisplayImages() ...{
157    string[] FilesArray = ReturnFilesArray();
158    string[] DirectoriesArray = ReturnDirectoriesArray();
159    string AppPath = HttpContext.Current.Request.PhysicalApplicationPath;
160    string AppUrl;
161    
162    //Get the application's URL
163    if (Request.ApplicationPath == "/")
164        AppUrl = Request.ApplicationPath;
165    else
166        AppUrl = Request.ApplicationPath + "/";
167    
168    GalleryPanel.Controls.Clear();
169    if ( (FilesArray == null || FilesArray.Length == 0) && (DirectoriesArray == null || DirectoriesArray.Length == 0) ) ...{
170        gallerymessage.Text = NoImagesMessage + ": " + RootImagesFolder.Value;
171    } else ...{
172        string ImageFileName = "";
173        string ImageFileLocation = "";
174
175        int thumbWidth = 94;
176        int thumbHeight = 94;
177        
178        if (CurrentImagesFolder.Value != RootImagesFolder.Value) ...{
179
180            System.Web.UI.HtmlControls.HtmlImage myHtmlImage = new System.Web.UI.HtmlControls.HtmlImage();
181            myHtmlImage.Src = AppUrl + "images/ftb/folder.up.gif";
182            myHtmlImage.Attributes["unselectable"]="on"; 
183            myHtmlImage.Attributes["align"]="absmiddle"; 
184            myHtmlImage.Attributes["vspace"]="36"; 
185
186            string ParentFolder = CurrentImagesFolder.Value.Substring(0,CurrentImagesFolder.Value.LastIndexOf("\\"));
187
188            System.Web.UI.WebControls.Panel myImageHolder = new System.Web.UI.WebControls.Panel();                    
189