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。";
12
private 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 = "upload"; // 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 + "admin/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 myImageHolder.CssClass = "imageholder";
190 myImageHolder.Attributes["unselectable"]="on";
191 myImageHolder.Attributes["onclick"]="divClick(this,'');";
192 myImageHolder.Attributes["ondblclick"]="gotoFolder('" + RootImagesFolder.Value + "','" + ParentFolder.Replace("\\","\\\\") + "');";
193 myImageHolder.Controls.Add(myHtmlImage);
194
195 System.Web.UI.WebControls.Panel myMainHolder = new System.Web.UI.WebControls.Panel();
196 myMainHolder.CssClass = "imagespacer";
197 myMainHolder.Controls.Add(myImageHolder);
198
199 System.Web.UI.WebControls.Panel myTitleHolder = new System.Web.UI.WebControls.Panel();
200 myTitleHolder.CssClass = "titleHolder";
201 myTitleHolder.Controls.Add(new LiteralControl("向上"));
202 myMainHolder.Controls.Add(myTitleHolder);
203
204 GalleryPanel.Controls.Add(myMainHolder);
205
206 }
207
208 foreach (string _Directory in DirectoriesArray) ...{
209
210 try ...{
211 string DirectoryName = _Directory.ToString();
212
213
214 System.Web.UI.HtmlControls.HtmlImage myHtmlImage = new System.Web.UI.HtmlControls.HtmlImage();
215 myHtmlImage.Src = AppUrl + "admin/ftb/folder.big.gif";
216 myHtmlImage.Attributes["unselectable"]="on";
217 myHtmlImage.Attributes["align"]="absmiddle";
218 myHtmlImage.Attributes["vspace"]="29";
219
220 System.Web.UI.WebControls.Panel myImageHolder = new System.Web.UI.WebControls.Panel();
221 myImageHolder.CssClass = "imageholder";
222 myImageHolder.Attributes["unselectable"]="on";
223 myImageHolder.Attributes["onclick"]="divClick(this);";
224 myImageHolder.Attributes["ondblclick"]="gotoFolder('" + RootImagesFolder.Value + "','" + DirectoryName.Replace(AppPath,"").Replace("\\","\\\\") + "');";
225 myImageHolder.Controls.Add(myHtmlImage);
226
227 System.Web.UI.WebControls.Panel myMainHolder = new System.Web.UI.WebControls.Panel();
228 myMainHolder.CssClass = "imagespacer";
229 myMainHolder.Controls.Add(myImageHolder);
230
231 System.Web.UI.WebControls.Panel myTitleHolder = new System.Web.UI.WebControls.Panel();
232 myTitleHolder.CssClass = "titleHolder";
233 myTitleHolder.Controls.Add(new LiteralControl(DirectoryName.Replace(AppPath + CurrentImagesFolder.Value + "\\","")));
234 myMainHolder.Controls.Add(myTitleHolder);
235
236 GalleryPanel.Controls.Add(myMainHolder);
237 } catch ...{
238 // nothing for error
239 }
240 }
241
242 foreach (string ImageFile in FilesArray) ...{
243
244 try ...{
245
246 ImageFileName = ImageFile.ToString();
247 ImageFileName = ImageFileName.Substring(ImageFileName.LastIndexOf("\\")+1);
248 ImageFileLocation = AppUrl;
249 ImageFileLocation = ImageFileLocation.Substring(ImageFileLocation.LastIndexOf("\\")+1);
250 //galleryfilelocation += "/";
251 ImageFileLocation += CurrentImagesFolder.Value;
252 ImageFileLocation += "/";
253 ImageFileLocation += ImageFileName;
254 System.Web.UI.HtmlControls.HtmlImage myHtmlImage = new System.Web.UI.HtmlControls.HtmlImage();
255 myHtmlImage.Src = ImageFileLocation;
256 System.Drawing.Image myImage = System.Drawing.Image.FromFile(ImageFile.ToString());
257 myHtmlImage.Attributes["unselectable"]="on";
258 //myHtmlImage.border=0;
259
260 // landscape image
261 if (myImage.Width > myImage.Height) ...{
262 if (myImage.Width > thumbWidth) ...{
263 myHtmlImage.Width = thumbWidth;
264 myHtmlImage.Height = Convert.ToInt32(myImage.Height * thumbWidth/myImage.Width);
265 } else ...{
266 myHtmlImage.Width = myImage.Width;
267 myHtmlImage.Height = myImage.Height;
268 }
269 // portrait image
270 } else ...{
271 if (myImage.Height > thumbHeight) ...{
272 myHtmlImage.Height = thumbHeight;
273 myHtmlImage.Width = Convert.ToInt32(myImage.Width * thumbHeight/myImage.Height);
274 } else ...{
275 myHtmlImage.Width = myImage.Width;
276 myHtmlImage.Height = myImage.Height;
277 }
278 }
279
280 if (myHtmlImage.Height < thumbHeight) ...{
281 myHtmlImage.Attributes["vspace"] = Convert.ToInt32((thumbHeight/2)-(myHtmlImage.Height/2)).ToString();
282 }
283
284
285 System.Web.UI.WebControls.Panel myImageHolder = new System.Web.UI.WebControls.Panel();
286 myImageHolder.CssClass = "imageholder";
287 myImageHolder.Attributes["onclick"]="divClick(this,'" + ImageFileName + "');";
288 myImageHolder.Attributes["ondblclick"]="returnImage('" + ImageFileLocation.Replace("\\","/") + "','" + myImage.Width.ToString() + "','" + myImage.Height.ToString() + "');";
289 myImageHolder.Controls.Add(myHtmlImage);
290
291
292 System.Web.UI.WebControls.Panel myMainHolder = new System.Web.UI.WebControls.Panel();
293 myMainHolder.CssClass = "imagespacer";
294 myMainHolder.Controls.Add(myImageHolder);
295
296 System.Web.UI.WebControls.Panel myTitleHolder = new System.Web.UI.WebControls.Panel();
297 myTitleHolder.CssClass = "titleHolder";
298 myTitleHolder.Controls.Add(new LiteralControl(ImageFileName + "<BR>" + myImage.Width.ToString() + "x" + myImage.Height.ToString()));
299 myMainHolder.Controls.Add(myTitleHolder);
300
301 //GalleryPanel.Controls.Add(myImage);
302 GalleryPanel.Controls.Add(myMainHolder);
303
304 myImage.Dispose();
305 } catch ...{
306
307 }
308 }
309 gallerymessage.Text = "";
310 }
311
}
312
</script>
313<asp:panel id="MainPage" runat="server" visible="false">
314<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN" >
315<HTML>
316<HEAD>
317<META HTTP-EQUIV="Expires" CONTENT="0">
318<title>插入图片</title>
319<style>...
320
321body {...}{
322 margin: 0px 0px 0px 0px;
323 padding: 0px 0px 0px 0px;
324 background: #ffffff;
325 width: 100%;
326 overflow:hidden;
327 border: 0;
328}
329
330body,tr,td {...}{
331 color: #000000;
332 font-family: Verdana, Arial, Helvetica, sans-serif;
333 font-size: 10pt;
334}
335
336div.imagespacer {...}{
337 width: 120;
338 height: 126;
339 text-align: center;
340 float: left;
341 font: 10pt verdana;
342 margin: 5px;
343 overflow: hidden;
344}
345div.imageholder {...}{
346 margin: 0px;
347 padding: 0px;
348 border: 1 solid #CCCCCC;
349 width: 100;
350 height: 100;
351}
352
353div.titleholder {...}{
354 font-family: ms sans serif, arial;
355 font-size: 8pt;
356 width: 100;
357 text-overflow: ellipsis;
358 overflow: hidden;
359 white-space: nowrap;
360}
361
362</style>
363
364
365<script language="javascript">...
366lastDiv = null;
367function divClick(theDiv,filename) ...{
368 if (lastDiv) ...{
369 lastDiv.style.border = "1 solid #CCCCCC";
370 }
371 lastDiv = theDiv;
372 theDiv.style.border = "2 solid #316AC5";
373
374 document.getElementById("FileToDelete").value = filename;
375
376}
377function gotoFolder(rootfolder,newfolder) ...{
378 window.navigate("ftb.imagegallery.aspx?frame=1&rif=" + rootfolder + "&cif=" + newfolder);
379}
380function returnImage(imagename,width,height) ...{
381 var arr = new Array();
382 arr["filename"] = imagename;
383 arr["width"] = width;
384 arr["height"] = height;
385 window.parent.returnValue = arr;
386 window.parent.close();
387}
388</script>
389</HEAD>
390<body>
391<table width=100% height=100% cellpadding=0 cellspacing=0 border=0>
392
393<FORM encType="multipart/form-data" runat="server">
394
395<tr><td>
396 <div id="galleryarea" style="width=100%; height:100%; overflow: auto;">
397 <asp:label id="gallerymessage" runat="server"></asp:label>
398 <asp:panel id="GalleryPanel" runat="server"></asp:panel>
399 </div>
400</td></tr>
401<asp:Panel id="UploadPanel" runat="server">
402<tr><td height=16 style="padding-left:10px;border-top: 1 solid #999999; background-color:#99ccff;">
403
404 <table>
405 <tr>
406 <td valign=top><input id="UploadFile" type="file" name="UploadFile" runat="server" style="width:300;"/></td>
407 <td valign=top><asp:button id="UploadImage" Text="上传" runat="server" onclick="UploadImage_OnClick" /></td>
408 <td valign=top><asp:button id="DeleteImage" Text="删除" runat="server" onclick="DeleteImage_OnClick" /></td>
409 <td valign=middle>
410 </tr>
411 <tr>
412 <td colspan=3>
413 <asp:RegularExpressionValidator runat="server"
414 ControlToValidate="UploadFile"
415 id="FileValidator" display="dynamic"/>
416 <asp:literal id="ResultsMessage" runat="server" />
417 </td>
418 </tr></table>
419 <input type="hidden" id="FileToDelete" Value="" runat="server" />
420 <input type="hidden" id="RootImagesFolder" Value="images" runat="server" />
421 <input type="hidden" id="CurrentImagesFolder" Value="images" runat="server" />
422</td></tr>
423</asp:panel>
424</form>
425</table>
426</body>
427</HTML>
428</asp:panel>
429<asp:panel id="iframePanel" runat="server" >
430<html>
431<head><title>插入图片</title></head>
432<style>...
433body {...}{
434 margin: 0px 0px 0px 0px;
435 padding: 0px 0px 0px 0px;
436 background: #ffffff;
437 overflow:hidden;
438}
439</style>
440<body>
441 <iframe style="width:100%;height:100%;border:0;" border=0 frameborder=0 src="ftb.imagegallery.aspx?frame=1&<%=Request.QueryString%>"></iframe>
442</body>
443</html>
444</asp:panel>
445
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