flex fileupload

展开下面的代码看吧，第一次使用代码模式，有点问题

一、CS相应源码如下：

1. import flash.net.FileReference;
2. import flash.net.URLRequest;
3. import flash.net.FileFilter;
4. import flash.display.Sprite;
5. import flash.events.*;
9. var fileRef = new FileReference();
10. var fileListener = new Object();
12. var totalBytes:Number = 0;
13. var uploadedBytes:Number = 0;
15. //从外部获取也许上传的文件类型
16. var acceptFileType:String = getFlashVars("acceptFileType");
17. //设置上传完毕后执行的js脚本
18. var comJsFun:String=getFlashVars("ComJsFun");
19. //this.tbFilePath.text = comJsFun;
20. //
21. var uploadURL:URLRequest = new URLRequest();
22. var xmlRequest:URLRequest = new URLRequest();
23. var xmlLoader:URLLoader = new URLLoader();
25. //初始化系统
26. function init() {
27.     this.mcWaterStyle.visible = false;
28.     this.mcFilePlayer.visible = false;
29.     this.progressBar.visible = false;
31.     //设置按钮文字大小，默认的字体和大小有点难看。
32.     var myFormat = new TextFormat();
33.     myFormat.size = 12;
34.     this.btBrowser.setStyle("textFormat", myFormat);
35.     this.btUpload.setStyle("textFormat", myFormat);
36.     this.tbFilePath.setStyle("textFormat", myFormat);
37.    
38.     this.mcWaterStyle.style0.setStyle("textFormat", myFormat);
39.     this.mcWaterStyle.style1.setStyle("textFormat", myFormat);
40.     this.mcWaterStyle.style2.setStyle("textFormat", myFormat);
41.     this.uploadInfo.setStyle("textFormat", myFormat);
42.    
43. //如果从FlashVars获取的参数acceptFileType（限定上传文件类型）无值，那么访问相应的XML（上传文件类型配置）
44.     if(acceptFileType==""){
45.         //从外部获取上传附加的文件类型。
46.         xmlRequest = new URLRequest("http://www.cnblogs.com/XML/Setting_Article.xml");
47.         xmlLoader.load(xmlRequest);
48.         xmlLoader.addEventListener(Event.COMPLETE,loaderHandler);
49.     }
50. }
52. init();
54. //按钮事件
55. this.btBrowser.addEventListener(MouseEvent.CLICK, browseHandler);
56. this.btUpload.addEventListener(MouseEvent.CLICK, UploadHandler);
58. fileRef.addEventListener(Event.SELECT,selectHandler);//选择文件
59. fileRef.addEventListener(Event.CANCEL, cancelHandler);//上传过程中取消事件
60. fileRef.addEventListener(Event.OPEN, openHandler);//开始上传事件
61. fileRef.addEventListener(Event.COMPLETE, completeHandler);//上传完毕事件
62. fileRef.addEventListener(DataEvent.UPLOAD_COMPLETE_DATA,uploadCompleteDataHandler)//上传数据完毕事件，有点迷惑Event.COMPLETE跟DataEvent.UPLOAD_COMPLETE_DATA的区别
63. fileRef.addEventListener(ProgressEvent.PROGRESS, progressHandler);//上传过程事件，相应的进度条代码在这里了
65. //监听上传过程可能出错的事件
66. fileRef.addEventListener(HTTPStatusEvent.HTTP_STATUS, httpStatusHandler);
67. fileRef.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
68. fileRef.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);
71. //浏览按钮事件
72. function browseHandler(event:MouseEvent):void {
73.     fileRef.browse(browseGetTypes());
74. }
75. function browseGetTypes():Array {
76.     var allTypes:Array = new Array(browseGetFileTypeFilter());
77.     return allTypes;
78. }
80. function browseGetFileTypeFilter():FileFilter {
81.    
82.     if(acceptFileType!=""){
83.         var arr = acceptFileType.split("|");
84.         var FileExtension = "";
85.         for(var i=0;i<arr.length;i++){
86.             if (arr == "")
87.                 continue;
88.             if(i==0)
89.                 FileExtension = "*."+arr;
90.             else
91.                 FileExtension = FileExtension+";*."+arr;
92.         }
93.         return new FileFilter("文件格式("+FileExtension+")", ""+FileExtension+"");
94.     }else{
95.         return new FileFilter("所有文件(*.*)","*.*");
96.     }
97.    
98.     //return new FileFilter("所有文件(*.*)","*.*");
99. }
101. //加载上传配置事件
102. function loaderHandler(event:Event):void {
103.     var myXML:XML = new XML(xmlLoader.data);
104.     //myXML = XML();
105.     acceptFileType = myXML.child("Upload").ContontFileStyle;
106.     trace("--"+myXML.child("Upload").ContontFileStyle+"--");
107.     if(this.uploadInfo.text=="")
108.         this.uploadInfo.text = "允许的格式："+myXML.child("Upload").ContontFileStyle;
109. }
111. //选择文件事件
112. function selectHandler(event:Event):void{
113.     this.uploadInfo.text = "";
114.     this.mcWaterStyle.visible = false;
115.     this.mcFilePlayer.visible = false;
116.    
117.     if (fileRef.size > 0){
118.         totalBytes = fileRef.size;
119.         this.tbFilePath.text =  fileRef.name+ "[" + this.getSizeType(totalBytes) + "]";
120.         var fileExtName = fileRef.name.substring(fileRef.name.lastIndexOf(".")+1);
121.         switch(fileExtName.toLowerCase()){
122.             case "jpg":
123.             case "jpeg":
124.             case "gif":
125.             case "bmp":
126.                 this.mcWaterStyle.visible = true;
127.                 break;
128.             case "flv":
129.                 this.mcFilePlayer.visible = true;
130.                 this.mcFilePlayer.mcWidth.text = 410;
131.                 this.mcFilePlayer.mcHeight.text = 370;
132.                 break;
133.             case "swf":
134.                 this.mcFilePlayer.visible = true;
135.                 this.mcFilePlayer.mcWidth.text = 550;
136.                 this.mcFilePlayer.mcHeight.text = 400;
137.                 break;
138.             case "rm":
139.             case "rmvb":
140.             case "mp3":
141.             case "avi":
142.             case "mpg":
143.             case "mpeg":
144.             case "asf":
145.             case "wmv":
146.             case "wma":
147.                 this.mcFilePlayer.visible = true;
148.                 this.mcFilePlayer.mcWidth.text = 550;
149.                 this.mcFilePlayer.mcHeight.text = 400;
150.                 break;
151.             default:
152.                 this.mcWaterStyle.visible = false;
153.                 this.mcFilePlayer.visible = false;
154.                 break;
155.         }
156.     }else{
157.         this.uploadInfo.text = "错误：您没有选择文件！";
158.     }
159. }
161. //上传过程中取消
162. function cancelHandler(event:Event):void{
163.     this.progressBar.visible = false;
164. };
166. //当上载或下载操作开始时
167. function openHandler(event:Event):void{
168.     this.tbFilePath.visible = false;
169.     this.mcWaterStyle.visible = false;
170.     this.mcFilePlayer.visible = false;
171.     this.btBrowser.visible = false;
172.     this.btUpload.label = "取消";
173.     this.progressBar.visible = true;
174. };
176. //点击伤
177. function UploadHandler(event:MouseEvent):void{
178.     if (this.btUpload.label=="上传"){
179.         var WaterMarkStyleP:String = "";
180.         if(this.mcWaterStyle.style0.selected == true)
181.             WaterMarkStyleP = "0";
182.         else if(this.mcWaterStyle.style1.selected == true)
183.             WaterMarkStyleP = "1";
184.         else if(this.mcWaterStyle.style2.selected == true)
185.             WaterMarkStyleP = "2";
186.        
187.         var mcFilePlayerP:String="&width="+this.mcFilePlayer.mcWidth;
188.         mcFilePlayerP += "&height="+this.mcFilePlayer.mcHeigth;
189.        
190.         if(this.mcFilePlayer.mcAutoYes.selected == true)
191.             mcFilePlayerP += "&auto=true";
192.         else if(this.mcFilePlayer.mcAutoNo.selected == true)
193.             mcFilePlayerP += "&auto=false";
194.            
195.         uploadURL.url="Upload_File_SWF.aspx?WaterMarkStyle="+WaterMarkStyleP+mcFilePlayerP;
196.         fileRef.upload(uploadURL);//此为采用aspx默认方式进行上传的文件地址。如：Upload_File_SWF.aspx此页面我在上传完毕后，直接进行Response.Write("true");那么Flash可在uploadCompleteDataHandler后可后去到true这个数据。以便你进行操作。
197.     }else if(this.btUpload.label=="取消"){
198.         this.tbFilePath.visible = true;
199.         this.mcWaterStyle.visible = false;
200.         this.mcFilePlayer.visible = false;
201.         this.btBrowser.visible = true;
202.         this.btUpload.label = "上传";
203.         this.progressBar.visible = false;
204.         this.uploadInfo.text="";
205.     }else if(this.btUpload.label=="重新上传"){
206.         this.tbFilePath.visible = true;
207.         this.mcWaterStyle.visible = false;
208.         this.mcFilePlayer.visible = false;
209.         this.btBrowser.visible = true;
210.         this.btUpload.label = "上传";
211.         this.progressBar.visible = false;
212.     }
213. }
215. //在文件上载或下载操作期间定期调用
216. function progressHandler(event:ProgressEvent):void{
217.     //var fileRef:FileReference = FileReference(event.target);
218.     if(event.bytesLoaded==event.bytesTotal){
219.         this.uploadInfo.text= "正在转移数据，请稍后--"+getSizeType(event.bytesLoaded)+"/"+getSizeType(event.bytesTotal);
220.     }else{
221.         this.progressBar.mcMask.width = (event.bytesLoaded/event.bytesTotal)*this.progressBar.mcLoaded.width;
222.         this.uploadInfo.text="上传文件中，请等待--"+getSizeType(event.bytesLoaded)+"/"+getSizeType(event.bytesTotal);
223.     }
224. }
226. function completeHandler(event:Event):void {
227.     //trace("completeHandler: " + event);
228.     this.tbFilePath.visible = true;
229.     this.tbFilePath.text = "";
230.     this.mcWaterStyle.visible = false;
231.     this.mcFilePlayer.visible = false;
232.     this.btBrowser.visible = true;
233.     this.btUpload.label = "上传";
234.     this.progressBar.visible = false;
235.     //this.uploadInfo.text = "上传成功！";
236. }
238. function uploadCompleteDataHandler(event:DataEvent):void {
239.     if(event.data.indexOf("|")!=-1){
240.         var fileInfoArr = event.data.split("|");
241.         if(fileInfoArr[0].toLowerCase()=="true"){
242.             this.uploadInfo.text = "上传成功："+fileInfoArr[1]+"！";
243.             if(comJsFun!=""){
244.                 //ExternalInterface.call("UploadForEditor","hh");
245.                 ExternalInterface.call("UploadForEditor",event.data.replace("true|",""));
246.                 //this.tbFilePath.text = event.data;
247.             }
248.         }else{
249.             this.uploadInfo.text = "上传失败："+EncodeUtf8(fileInfoArr[1])+"！";
250.         }
251.     }
252.    
253.    
254.    
255.     trace("uploadCompleteData: " + event.data);
256. }
260. //错误事件
261. function httpStatusHandler(event:HTTPStatusEvent):void {
262.   trace("httpStatusHandler: " + event);
263.   this.mcWaterStyle.visible = false;
264.   this.mcFilePlayer.visible = false;
265.   this.uploadInfo.text="HTTP错误： " +  event;
266. }
267. function ioErrorHandler(event:IOErrorEvent):void {
268.   trace("ioErrorHandler: " + event);
269.   this.mcWaterStyle.visible = false;
270.   this.mcFilePlayer.visible = false;
271.   this.uploadInfo.text="IO错误： " +  event;
272. }
273. function securityErrorHandler(event:SecurityErrorEvent):void {
274.   trace("openHandler: " + event);
275.   this.mcWaterStyle.visible = false;
276.   this.mcFilePlayer.visible = false;
277.   this.uploadInfo.text="IO安全设置错误： " +  event;
278. }
286. /**//*--------------------以下为常用函数-------------
287. ---------------------------------------------*/
288. //处理文件大小表示方法
289. function getSizeType(s)
290. {
291.     var danwei = ["Byte","KB","MB","GB" ];
292.     var d = 0;
293.     while ( s >= 900 )
294.     {
295.         s = Math.round(s*100/1024)/100;
296.         d++;
297.     }
298.     return s+danwei[d];
299. }
301. function getFlashVars(parName){
302.     var parValue:String=stage.loaderInfo.parameters[parName];
303.     if(parValue==null)
304.       return "";
305.     else
306.       return parValue;
307. }
311. //转换乱码
312. function EncodeUtf8(str : String):String {
313.     var oriByteArr : ByteArray = new ByteArray();
314.     oriByteArr.writeUTFBytes(str);
315.     var tempByteArr : ByteArray = new ByteArray();
316.     for (var i = 0; i<oriByteArr.length; i++) {
317.         if (oriByteArr == 194) {
318.             tempByteArr.writeByte(oriByteArr[i+1]);
319.             i++;
320.         } else if (oriByteArr == 195) {
321.             tempByteArr.writeByte(oriByteArr[i+1] + 64);
322.             i++;
323.         } else {
324.             tempByteArr.writeByte(oriByteArr);
325.         }
326.     }
327.     tempByteArr.position = 0;
328.     return tempByteArr.readMultiByte(tempByteArr.bytesAvailable,"chinese");
329.     //return tempByteArr.readMultiByte(tempByteArr.bytesAvailable,"chinese");
330. }

复制代码

二、相应的上传文件代码(.net)

1. using System;
2. using System.Data;
3. using System.Configuration;
4. using System.Collections;
5. using System.Web;
6. using System.Web.Security;
7. using System.Web.UI;
8. using System.Web.UI.WebControls;
9. using System.Web.UI.WebControls.WebParts;
10. using System.Web.UI.HtmlControls;
11. using System.IO;
12. using System.Drawing;
13. using System.Drawing.Imaging;
16. namespace TT.WebManager.Web.Admin.Article
17. {
18.     public partial class Upload_File_SWF : System.Web.UI.Page
19.     {
20.         string AppPath = "";
22.         string FileURL = "";//文件网络地址
23.         string FileURL2 = "";//文件网络地址,如果加了水印
24.         string FileAppPath = "";
25.         string FileAppPath2 = "";
27.         string sFilePathName = "";
28.         string sFileName = "";
29.         int FileSize = 0;
31.         string FileExtName = "";
33.         int WaterMarkStyle = 0;
34.         string FileAuto = "true";
35.         int FileWidth = 0;
36.         int FileHeigth = 0;
38.         protected void Page_Load(object sender, EventArgs e)
39.         {
40.             TT.WebManager.BLL.Setting bll = new TT.WebManager.BLL.Setting();
41.             bll.Init(false);
43.             AppPath = System.Web.HttpContext.Current.Request.PhysicalApplicationPath;
45.             WaterMarkStyle = Methods.Req.GetInt("WaterMarkStyle", 0);
46.             FileWidth = Methods.Req.GetInt("Width",550);
47.             FileHeigth = Methods.Req.GetInt("Heigth", 400);
48.             FileAuto = Methods.Req.GetString("Auto");
50.             try
51.             {
52.                 HttpPostedFile postedFile = Request.Files["Filedata"];
53.                 sFilePathName = postedFile.FileName;
54.                 FileSize = postedFile.ContentLength;  //===========获取文件的大小
56.                 if (FileSize <= 0)
57.                 {
58.                     Response.Clear();
59.                     Response.Write("false|您没有选择文件！");
60.                     Response.End();
61.                 }
62.                 else
63.                 {
64.                     sFileName = sFilePathName.Substring(sFilePathName.LastIndexOf("\\") + 1);
65.                     FileExtName = sFilePathName.Substring(sFilePathName.LastIndexOf(".") + 1);
66.                     if (IsValidFileType(FileExtName) == false)
67.                     {
68.                         Response.Clear();
69.                         Response.Write("false|系统禁止上传此格式的文件！");
70.                         Response.End();
71.                     }
72.                     else
73.                     {
74.                         GotoUploadFile(postedFile);
75.                     }
76.                 }
77.             }
78.             catch { }
79.            
80.         }
82.         protected void GotoUploadFile(HttpPostedFile postedFile)
83.         {
84.             string NewFileName = DateTime.Now.ToString("yyyyMMddhhmmss") + FileSize + "." + FileExtName;
85.             string NewFileName2 = DateTime.Now.ToString("yyyyMMddhhmmss") + FileSize + "_1." + FileExtName;
86.             string NewFilePath = "";
87.             if (Model.Article.Setting.Upload_SortFile == true)
88.             {
89.                 if (Model.Article.Setting.Upload_FolderStyle != "")
90.                 {
91.                     FileURL = Model.Article.Setting.Upload_Prefix + Model.Article.Setting.Upload_Folder + "/" + FileExtName + "/" + DateTime.Now.ToString(Model.Article.Setting.Upload_FolderStyle) + "/" + NewFileName;
92.                     FileURL2 = Model.Article.Setting.Upload_Prefix + Model.Article.Setting.Upload_Folder + "/" + FileExtName + "/" + DateTime.Now.ToString(Model.Article.Setting.Upload_FolderStyle) + "/" + NewFileName2;
93.                     NewFilePath = AppPath + Model.Article.Setting.Upload_Folder.Replace("/", "\\") + "\\" + FileExtName + "\\" + DateTime.Now.ToString(Model.Article.Setting.Upload_FolderStyle).Replace("/", "\\");
94.                 }
95.                 else
96.                 {
97.                     FileURL = Model.Article.Setting.Upload_Prefix + Model.Article.Setting.Upload_Folder + "/" + FileExtName + "/" + NewFileName;
98.                     FileURL2 = Model.Article.Setting.Upload_Prefix + Model.Article.Setting.Upload_Folder + "/" + FileExtName + "/" + NewFileName2;
99.                     NewFilePath = AppPath + Model.Article.Setting.Upload_Folder.Replace("/", "\\") + "\\" + FileExtName;
100.                 }
102.             }
103.             else
104.             {
105.                 if (Model.Article.Setting.Upload_FolderStyle != "")
106.                 {
107.                     FileURL = Model.Article.Setting.Upload_Prefix + Model.Article.Setting.Upload_Folder + "/" + DateTime.Now.ToString(Model.Article.Setting.Upload_FolderStyle) + "/" + NewFileName;
108.                     FileURL2 = Model.Article.Setting.Upload_Prefix + Model.Article.Setting.Upload_Folder + "/" + DateTime.Now.ToString(Model.Article.Setting.Upload_FolderStyle) + "/" + NewFileName2;
109.                     NewFilePath = AppPath + Model.Article.Setting.Upload_Folder.Replace("/", "\\") + "\\" + DateTime.Now.ToString(Model.Article.Setting.Upload_FolderStyle).Replace("/", "\\");
110.                 }
111.                 else
112.                 {
113.                     FileURL = Model.Article.Setting.Upload_Prefix + Model.Article.Setting.Upload_Folder + "/" + NewFileName;
114.                     FileURL2 = Model.Article.Setting.Upload_Prefix + Model.Article.Setting.Upload_Folder + "/" + NewFileName2;
115.                     NewFilePath = AppPath + Model.Article.Setting.Upload_Folder.Replace("/", "\\");
116.                 }
117.             }
119.             TT.WebManager.Methods.IIOO.CreateDirectory(NewFilePath);
121.             FileAppPath = NewFilePath + "\\" + NewFileName;
122.             FileAppPath2 = NewFilePath + "\\" + NewFileName2;
124.             postedFile.SaveAs(FileAppPath);
125.             switch (FileExtName.ToLower())
126.             {
127.                 case "jpg":
128.                 case "jpeg":
129.                 case "gif":
130.                 case "bmp":
131.                 case "png":
132.                     //==========生成水印=============
133.                     switch (WaterMarkStyle)
134.                     {
135.                         case 1:
136.                             CreateWeaterText(FileAppPath, FileAppPath2, Model.Article.Setting.WaterMark_Text, FileExtName);
137.                             FileURL = FileURL2;
138.                             break;
139.                         case 2:
140.                             CreateWeaterPicture(FileAppPath, FileAppPath2, Server.MapPath(Model.Article.Setting.WaterMark_Picture), FileExtName);
141.                             FileURL = FileURL2;
142.                             break;
143.                         default:
144.                             break;
145.                     }
146.                     break;
147.             }
149.             string ReturnString = sFileName + "|" + FileURL + "|" + FileWidth + "|" + FileHeigth + "|" + FileAuto;
151.             Response.Clear();
152.             Response.Write("true|"+ReturnString);
153.             Response.End();
154.         }
156.         private void CreateWeaterText(string paraOldFileName, string paraNewsFileName, string AddText, string FileExtensionName)
157.         {
158.             System.Drawing.Image image = System.Drawing.Image.FromFile(paraOldFileName);
159.             System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(image);
161.             //文字抗锯齿
162.             g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
163.             g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
164.             g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
166.             g.DrawImage(image, 0, 0, image.Width, image.Height);
167.             //Font font = new Font("黑体", 14, FontStyle.Bold);
168.             //Brush b = new SolidBrush(Color.Yellow);
169.             Font font = new Font(Model.Article.Setting.WaterMark_FontFamily, Model.Article.Setting.WaterMark_FontSize, FontStyle.Bold);
170.             Brush b = new SolidBrush(Methods.TypeParse.StrToColor(Model.Article.Setting.WaterMark_FontColor));
177.             int Xpos = 0;
178.             int Ypos = 0;
179.             SizeF crsize = new SizeF();
180.             crsize = g.MeasureString(AddText, font);
181.             int crsize_With = Convert.ToInt32(crsize.Width);
182.             int crsize_Height = Convert.ToInt32(crsize.Height);
184.             int WaterMark_xPos = 10;
185.             int WaterMark_yPos = 10;
187.             switch (Model.Article.Setting.WaterMark_Position)//==========从图片的左上角开始算起(0,0)
188.             {
189.                 case 1:
190.                     Xpos = WaterMark_xPos;
191.                     Ypos = WaterMark_yPos;
192.                     break;
193.                 case 2:
194.                     Xpos = image.Width - (crsize_With + WaterMark_xPos);
195.                     Ypos = WaterMark_yPos;
196.                     break;
197.                 case 3:
198.                     Xpos = WaterMark_xPos;
199.                     Ypos = image.Height - (crsize_Height + WaterMark_yPos);
200.                     break;
201.                 case 4:
202.                     Xpos = image.Width - (crsize_With + WaterMark_xPos);
203.                     Ypos = image.Height - (crsize_Height + WaterMark_yPos);
204.                     break;
205.             }
207.             //画阴影
208.             PointF pt = new PointF(0, 0);
209.             System.Drawing.Brush TransparentBrush0 = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(50, System.Drawing.Color.Black));
210.             System.Drawing.Brush TransparentBrush1 = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(20, System.Drawing.Color.Black));
212.             g.DrawString(AddText, font, TransparentBrush0, Xpos, Ypos + 1);
213.             g.DrawString(AddText, font, TransparentBrush0, Xpos + 1, Ypos);
214.             g.DrawString(AddText, font, TransparentBrush1, Xpos + 1, Ypos + 1);
215.             g.DrawString(AddText, font, TransparentBrush1, Xpos, Ypos + 2);
216.             g.DrawString(AddText, font, TransparentBrush1, Xpos + 2, Ypos);
218.             TransparentBrush0.Dispose();
219.             TransparentBrush1.Dispose();
222.             g.DrawString(AddText, font, b, Xpos, Ypos);
224.             switch (FileExtensionName.ToLower())
225.             {
226.                 case "jpg":
227.                 case "jpeg":
228.                     image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
229.                     break;
230.                 case "gif":
231.                     image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Gif);
232.                     break;
233.                 case "bmp":
234.                     image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Bmp);
235.                     break;
236.                 case "png":
237.                     image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Png);
238.                     break;
239.             }
240.             g.Dispose();
242.             image.Save(paraNewsFileName);
243.             image.Dispose();
244.             Response.Clear();
246.             if (File.Exists(paraOldFileName) == true)
247.             {
248.                 File.Delete(paraOldFileName);
249.             }
250.         }
252.         private void CreateWeaterPicture(string paraOldFileName, string paraNewsFileName, string AddPicture, string FileExtensionName)
253.         {
254.             System.Drawing.Image image = System.Drawing.Image.FromFile(paraOldFileName);
255.             System.Drawing.Image copyImage = System.Drawing.Image.FromFile(AddPicture);
257.             ImageAttributes imageAttributes = new ImageAttributes();
258.             ColorMap colorMap = new ColorMap();
259.             colorMap.OldColor = Color.FromArgb(200, 0, 200, 0);
260.             colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
261.             ColorMap[] remapTable = { colorMap };
262.             imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
263.             float[][] colorMatrixElements = {
264.                                                 new float[] {1.0f,  0.0f,  0.0f,  0.0f, 0.0f},
265.                                                 new float[] {0.0f,  1.0f,  0.0f,  0.0f, 0.0f},
266.                                                 new float[] {0.0f,  0.0f,  1.0f,  0.0f, 0.0f},
267.                                                 new float[] {0.0f,  0.0f,  0.0f,  Model.Article.Setting.WaterMark_Transparency, 0.0f},
268.                                                 new float[] {0.0f,  0.0f,  0.0f,  0.0f, 1.0f}
269.                                             };
270.             ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
271.             imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
274.             Graphics g = Graphics.FromImage(image);
277.             //PointF pt = new PointF(0, 0);
278.             //System.Drawing.Brush TransparentBrush0 = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(50, System.Drawing.Color.));
279.             //System.Drawing.Brush TransparentBrush1 = new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(20, System.Drawing.Color.Black));
281.             //g.DrawString(AddText, font, TransparentBrush0, pt.X, pt.Y + 1);
283.             //g.DrawString(AddText, font, TransparentBrush0, pt.X + 1, pt.Y);
285.             //g.DrawString(AddText, font, TransparentBrush1, pt.X + 1, pt.Y + 1);
287.             //g.DrawString(AddText, font, TransparentBrush1, pt.X, pt.Y + 2);
289.             //g.DrawString(AddText, font, TransparentBrush1, pt.X + 2, pt.Y);
291.             //TransparentBrush0.Dispose();
293.             //TransparentBrush1.Dispose();
296.             //设定合成图像的质量
297.             g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
298.             //设置高质量插值法
299.             g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
300.             //设置高质量,低速度呈现平滑程度
301.             g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
303.             int xPos = image.Width - copyImage.Width - 10;
304.             int yPos = image.Height - copyImage.Height - 10;
306.             switch (Model.Article.Setting.WaterMark_Position)//==========从图片的左上角开始算起(0,0)
307.             {
308.                 case 1:
309.                     xPos = 10;
310.                     yPos = 10;
311.                     break;
312.                 case 2:
313.                     xPos = image.Width - copyImage.Width - 10;
314.                     yPos = 10;
315.                     break;
316.                 case 3:
317.                     xPos = 10;
318.                     yPos = image.Height - copyImage.Height - 10;
319.                     break;
320.                 case 4:
321.                     xPos = image.Width - copyImage.Width - 10;
322.                     yPos = image.Height - copyImage.Height - 10;
323.                     break;
324.             }
326.             g.DrawImage(copyImage, new Rectangle(xPos, yPos, copyImage.Width, copyImage.Height), 0, 0, copyImage.Width, copyImage.Height, GraphicsUnit.Pixel, imageAttributes);
328.             switch (FileExtensionName.ToLower())
329.             {
330.                 case "jpg":
331.                 case "jpeg":
332.                     image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
333.                     break;
334.                 case "gif":
335.                     image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Gif);
336.                     break;
337.                 case "bmp":
338.                     image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Bmp);
339.                     break;
340.                 case "png":
341.                     image.Save(System.Web.HttpContext.Current.Response.OutputStream, System.Drawing.Imaging.ImageFormat.Png);
342.                     break;
343.             }
344.             g.Dispose();
346.             image.Save(paraNewsFileName);
347.             image.Dispose();
348.             imageAttributes.Dispose();
350.             Response.Clear();
352.             if (File.Exists(paraOldFileName) == true)
353.             {
354.                 File.Delete(paraOldFileName);
355.             }
357.             // return paraNewsFileName;
358.         }
360.         protected bool IsValidFileType(string ExtName)
361.         {
362.             if (Model.Article.Setting.Upload_ContontFileStyle.Trim() == "")
363.                 return true;
365.             string[] AcceptedFileTypes = Model.Article.Setting.Upload_ContontFileStyle.Split(new char[] { '|' });
366.             for (int i = 0; i < AcceptedFileTypes.Length; i++)
367.             {
368.                 if (ExtName.ToLower() == AcceptedFileTypes.ToLower())
369.                 {
370.                     return true;
371.                 }
372.             }
373.             return false;
374.         }
375.     }
376. }

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三、相应的aspx页面代码

1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
3. <html>
4. <head>
5.   <title>FLASH 上传测试</title>
6.   <meta http-equiv="content-type" content="text/html; charset=gb2312" />
7.   <link href="../images/style.css" rel="stylesheet" type="text/css" />
8.   <script language="javascript">AC_FL_RunContent = 0;</script>
9.   <script src="../javascript/AC_RunActiveContent.js" language="javascript"></script>
10.  
11. </head>
12. <body>
14. <!--影片中使用的 URL-->
15. <!--影片中使用的文本-->
16. <!-- saved from url=(0013)about:internet -->
17. <script language="javascript">
18.     if (AC_FL_RunContent == 0) {
19.         alert("此页需要 AC_RunActiveContent.js");
20.     } else {
21.         AC_FL_RunContent(
22.             'codebase', 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0',
23.             'width', '400',
24.             'height', '56',
25.             'src', '../SWFUpload/SWFFileUpload',
26.             'quality', 'high',
27.             'pluginspage', 'http://www.macromedia.com/go/getflashplayer',
28.             'align', 'middle',
29.             'play', 'true',
30.             'loop', 'true',
31.             'scale', 'showall',
32.             'wmode', 'window',
33.             'devicefont', 'false',
34.             'id', 'SWFFileUpload',
35.             'bgcolor', '#ffffff',
36.             'name', 'SWFFileUpload',
37.             'menu', 'true',
38.             'allowFullScreen', 'false',
39.             'allowScriptAccess','sameDomain',
40.             'movie', '../SWFUpload/SWFFileUpload',
41.             'salign', '',
42.             'FlashVars','ComJsFun=UploadForEditor'
43.             ); //end AC code
44.     }
45. //src和movie属性为Flash文件地址，请勿写.swf后缀名
46. //FlashVars为给Flash设置的参数。
47. </script>
49. <noscript>
50.     <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="400" height="56" id="SWFFileUpload" align="middle">
51.     <param name="allowScriptAccess" value="sameDomain" />
52.     <param name="allowFullScreen" value="false" />
53.     <param name="movie" value="../SWFUpload/SWFFileUpload.swf" />
54.     <param name="quality" value="high" />
55.     <param name="bgcolor" value="#ffffff" />
56.     <param name="FlashVars" value="ComJsFun=UploadForEditor"/>
57.     <embed src="../SWFUpload/SWFFileUpload.swf" quality="high" bgcolor="#ffffff" width="400" height="56" name="SWFFileUpload" align="middle" allowScriptAccess="sameDomain" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />
58.     </object>
59. </noscript>
61. <div id="showInfo"></div>
64. <script language="javascript" type="text/javascript">
65. function UploadForEditor(Value){
66.   alert(Value);
67.   //var RSArr = Value.split("|");
68.   //UploaFile(RSArr[0],RSArr[1],RSArr[2],RSArr[3],RSArr[4]);
69. }
74. </script>
75. </body>
76. </html>

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源码下载：附件: SWFFileUpload.rar （下载 665 次）