Flex 基于Http方式上传图片.doc

Flex 基于Http方式上传图片文章分类:Web前端 关键字: felx上传图片 flex +servelet 首先下载 commons-fileupload-1.2.1.jar和commons-io-1.1.jar flex端代码： Java代码 1. 2. 6. 7. 114. 115. 116. 121. 123. 125. 135. 137. 138. 146. 150. 155. 156. 157. 158. 159. java servlet端代码 Java代码 1. packageupload; 2. 3. importjava.io.File; 4. importjava.io.IOException; 5. importjava.io.PrintWriter; 6. importjava.util.Iterator; 7. importjava.util.List; 8. 9. importjavax.servlet.ServletException; 10. importjavax.servlet.http.HttpServlet; 11. importjavax.servlet.http.HttpServletRequest; 12. importjavax.servlet.http.HttpServletResponse; 13. 14. mons.fileupload.FileItem; 15. mons.fileupload.FileUploadException; 16. mons.fileupload.disk.DiskFileItemFactory; 17. mons.fileupload.servlet.ServletFileUpload; 18. 19. /* 20. *authorlqw 21. */22. publicclassFileUploadedextendsHttpServlet 23. 24. /定义文件的上传路径 25. privateStringuploadPath=d:a; 26. 27. /限制文件的上传大小 28. privateintmaxPostSize=100*1024*1024; 29. 30. publicFileUploaded() 31. super(); 32. 33. 34. publicvoiddestroy() 35. super.destroy(); 36. 37. 38. protectedvoidprocessRequest(HttpServletRequestrequest, 39. HttpServletResponseresponse)throwsServletException,IOException 40. System.out.println(touploadpicture!); 41. response.setContentType(text/html;charset=UTF-8); 42. PrintWriterout=response.getWriter(); 43. 44. /保存文件到服务器中 45. 46. DiskFileItemFactoryfactory=newDiskFileItemFactory(); 47. factory.setSizeThreshold(4096); 48. ServletFileUploadupload=newServletFileUpload(factory); 49. upload.setSizeMax(maxPostSize); 50. try 51. ListfileItems=upload.parseRequest(request); 52. Iteratoriter=fileItems.iterator(); 53. while(iter.hasNext() 54. FileItemitem=(FileItem)iter.next(); 55. if(!item.isFormField() 56. Stringname=item.getName(); 57. System.out.println(name); 58. try 59. item.write(newFile(uploadPath+name); 60. /SaveFiles=newSaveFile(); 61. /s.saveFile(name); 62. catch(Exceptione) 63. e.printStackTrace(); 64. 65. 66. 67. catch(FileUploadExceptione) 68. e.printStackTrace(); 69. System.out.println(e.getMessage()+结束); 70. 71. 72. 73. protectedvoiddoGet(HttpServletRequestrequest, 74. HttpServletResponseresponse)throwsServletException,IOException 75. processRequest(request,response); 76. 77. 78. protectedvoiddoPost(HttpServletRequestrequest, 79. HttpServletResponseresponse)throwsServletException,IOException 80. processRequest(request,response); 81. 82. 83. publicStringgetServletInfo() 84. returnShortdescription; 85. 86. 87. package upload;import java.io.File;import java.io.IOException;import java.io.PrintWriter;import java.util.Iterator;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import mons.fileupload.FileItem;import mons.fileupload.FileUploadException;import mons.fileupload.disk.DiskFileItemFactory;import mons.fileupload.servlet.ServletFileUpload;/* * author lqw */public class FileUploaded extends HttpServlet / 定义文件的上传路径private String uploadPath = d:a;/ 限制文件的上传大小private int maxPostSize = 100 * 1024 * 1024;public FileUploaded() super();public void destroy() super.destroy();protected void processRequest(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException System.out.println(to upload picture !);response.setContentType(text/html;charset=UTF-8);PrintWriter out = response.getWriter();/ 保存文件到服务器中DiskFileItemFactory factory = new DiskFileItemFactory();factory.setSizeThreshold(4096);ServletFileUpload upload = new ServletFileUpload(factory);upload.setSizeMax(maxPostSize);try List fileItems = upload.parseRequest(request);Iterator iter = fileItems.iterator();while (iter.hasNext() FileItem item = (FileItem) iter.next();if (!item.isFormField() String name = item.getName();System.out.println(name);try item.write(new File(uploadPath + name);/ SaveFile s = new SaveFile();/ s.saveFile(name); catch (Exception e) e.printStackTrace(); catch (FileUploadException e) e.printStackTrace();System.out.println(e.getMessage() + 结束);protected void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException processRequest(request, response);protected void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException processRequest(request, response);public String getServletInfo() return Short description;web.xml 文件内容： Java代码 1. 2. 3. 4. 5. FileUploaded 6. upload.FileUploaded 7. 8. 9. 10. FileUploaded 11. /FileUploaded 12. 13. 14. 15. 35 16. 17. 18. html 19. text/html 20. 21. 22