jsp中使用JavaBean出现“引用类不可用”(上传图片).docVIP

do_upload.jsp Java代码 %@?page?language=java?contentType=text/html;?charset=GB18030?? ????pageEncoding=GB2312% ?? %@?page?import=mons.fileupload.*% ?? %@?page?import=mons.fileupload.servlet.*% ?? %@?page?import=mons.fileupload.disk.*% ?? %@?page?import=java.util.*% ?? %@?page?import=java.io.*% ?? %@?page?import=picDeal.*?% ?? jsp:useBean?id=pic?scope=page?class=picDeal.PicRgb ?? /jsp:useBean ?? !DOCTYPE?HTML?PUBLIC?-//W3C//DTD?HTML?4.01?Transitional//EN ?? ?? html ?? head ?? meta?http-equiv=Content-Type?content=text/html;?charset=GB18030 ?? title文件上传/title ?? /head ?? body ?? center上传中/center ?? % ?? String?uploadPath=application.getRealPath(/upload); ?? ????String?picName=null; ?? ????int?width=0,height=0; ?? //目标文件夹的路径必须使用绝对路径，不能用相对路径 ?? ??boolean?isMultipart?=?ServletFileUpload.isMultipartContent(request); ?? ??if(isMultipart==true){ ?? ??????try{ ?? ????????FileItemFactory?factory?=?new?DiskFileItemFactory(); ?? ????????ServletFileUpload?upload?=?new?ServletFileUpload(factory); ?? ????????ListFileItem?items?=?upload.parseRequest(request);//得到所有的文件 ?? ???????IteratorFileItem?itr?=?items.iterator(); ?? ????????while(itr.hasNext()){//依次处理每个文件 ?? ??????????FileItem?item=(FileItem)itr.next(); ?? ??????????String?fileName=item.getName();//获得文件名，包括路径 ?? ????????????if(fileName!=null) ?? ????????????{ ?? ??????????????File?fullFile=new?File(item.getName()); ?? ??????????????picName=fullFile.getName(); ?? ??????????????File?savedFile=new?File(uploadPath,fullFile.getName()); ?? ??????????????item.write(savedFile); ?? ????????????} ?? ????????} ?? ????????out.println(upload?succeed!); ?? ????????out.println(上传的图片如下：); ?? ????????????????//分析图片，?获取图片的信息 ?? ????????pic.setData(picName); ?? ????????session.setAttribute(picture,pic); ?? ????????% ?? ????????form?action=anaresult.jsp?method=post ?? ????????table ?? ????????tr ?? ????????td上传的图片如下：/td ?? ????????/tr ?? ????????tr ?? ????????tdimg?src=%=?upload/+picName?%/td ?? ????????/tr ?? ????????tr ?? ????????tdinput?type=su