综合实例：电子商城系统

/* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package com.struts.action; import java.io.*; import java.text.SimpleDateFormat; import java.util.*; import javax.servlet.http.*; import org.apache.struts.action.*; import org.apache.struts.upload.FormFile; import com.ORM.*; import com.base.*; import com.service.*; import com.struts.form.MerForm; /** * MyEclipse Struts * Creation date: 09-13-2007 * * XDoclet definition: * @struts.action path="/Admin/adminMer" name="merForm" input="/Admin/adminAddMer.jsp" parameter="method" scope="request" validate="true" */ public class AdminMerAction extends BaseAction { /* * Generated Methods */ /** * Method execute * @param mapping * @param form * @param request * @param response * @return ActionForward */ public ActionForward addMer(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { MerForm merForm = (MerForm) form; Merchandise mer = new Merchandise(); MerService service = new MerServiceImpl(); ActionMessages msgs = new ActionMessages(); SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); mer.setMerName(merForm.getMerName().trim()); mer.setMerModel(merForm.getMerModel().trim()); mer.setPrice(merForm.getPrice()); mer.setSpecial(merForm.getSpecial()); mer.setSprice(merForm.getSprice()); mer.setMerDesc(merForm.getMerDesc().trim()); mer.setManufacturer(merForm.getManufacturer().trim()); /** 存放文件的文件夹 */ String dir = request.getRealPath("/Picture"); /** 文件名 */ String filename = null; /** 上传的文件 */ FormFile file = merForm.getPicture(); /** 输入流对象（用于读取上传的文件数据） */ InputStream in = null; /** 输出流对象(用于将读取到的文件数据输出到服务端的另一个文件中) */ OutputStream out = null; try{ mer.setLeaveFactoryDate(df.parse(merForm.getLeaveFactoryDate())); mer.setCategory(service.loadCategory(new Integer(merForm.getCategory()))); filename = file.getFileName(); if (file==null||filename.length()<1){ logger.info("您没有上传文件!"); }else{ in = file.getInputStream(); out = new FileOutputStream(dir+"/"+filename); int readed = 0; byte[] buffer= new byte[1024]; while ((readed=in.read(buffer,0,1024))!=-1){ out.write(buffer,0,readed); } logger.info("文件"+filename+"已经上传到了服务器上的"+dir+"下"); mer.setPicture("/Picture/"+filename); } boolean status = service.addMer(mer); if (status){ msgs.add("addMerStatus",new ActionMessage(Constants.ADDMER_SUC_KEY)); }else{ msgs.add("addMerStatus",new ActionMessage(Constants.ADDMER_FAIL_KEY)); } saveErrors(request, msgs); }catch(Exception ex){ logger.info("在执行AdminMerAction类中的addMer方法时出错：\n"); ex.printStackTrace(); }finally{ try{ if (in!=null)in.close(); if (out!=null)out.close(); }catch(Exception ex){ logger.info("在执行AdminMerAction类中的addMer方法时出错：\n"); ex.printStackTrace(); } } return mapping.findForward("addMer"); } public ActionForward browseMer(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { List list = null; MerService service = new MerServiceImpl(); Admin admin = (Admin)request.getSession().getAttribute("Admin"); if (admin==null||admin.getAdminType().intValue()!=1){ return mapping.findForward("sorry"); } String hql ="from Merchandise as a order by a.id"; try{ list = service.browseMer(hql); request.setAttribute("merList", list); }catch(Exception ex){ logger.info("在执行AdminMerAction类中的browseMer方法时出错：\n"); ex.printStackTrace(); } return mapping.findForward("browse"); } public ActionForward delMer(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { ActionMessages msgs = new ActionMessages(); MerService service = new MerServiceImpl(); String p = request.getParameter("id"); Integer id = null; if(p!=null){ id = new Integer(p); }else{ id = new Integer(0); } try{ boolean status = service.delMer(id); if (status){ msgs.add("delMerStatus",new ActionMessage(Constants.DELMER_SUC_KEY)); }else{ msgs.add("delMerStatus",new ActionMessage(Constants.DELMER_FAIL_KEY)); } saveErrors(request, msgs); }catch(Exception ex){ logger.info("在执行AdminMerAction类中的delMer方法时出错：\n"); ex.printStackTrace(); } return mapping.findForward("delete"); } public ActionForward loadMer(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { MerService service = new MerServiceImpl(); SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); Merchandise mer = null; String p = request.getParameter("id"); Integer id = null; if(p!=null){ id = new Integer(p); }else{ id = new Integer(0); } try{ mer = service.loadMer(id); if(mer!=null){ form = new MerForm(); ((MerForm)form).setMerName(mer.getMerName().trim()); ((MerForm)form).setMerModel(mer.getMerModel().trim()); ((MerForm)form).setMerDesc(mer.getMerDesc().trim()); ((MerForm)form).setPrice(mer.getPrice()); ((MerForm)form).setSpecial(mer.getSpecial()); ((MerForm)form).setManufacturer(mer.getManufacturer().trim()); ((MerForm)form).setLeaveFactoryDate(df.format(mer.getLeaveFactoryDate())); ((MerForm)form).setSprice(mer.getSprice()); request.setAttribute("merForm", form); request.setAttribute("id", mer.getId()); request.setAttribute("cateId", mer.getCategory().getId()); } }catch(Exception ex){ logger.info("在执行AdminMerAction类中的loadMer方法时出错：\n"); ex.printStackTrace(); } return mapping.findForward("modify"); } public ActionForward modiMer(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { ActionMessages msgs = new ActionMessages(); MerForm merForm = (MerForm) form; Merchandise mer = null; MerService service = new MerServiceImpl(); SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); String p = request.getParameter("id"); Integer id = null; if(p!=null){ id = new Integer(p); }else{ id = new Integer(0); } /** 存放文件的文件夹 */ String dir = request.getRealPath("/Picture"); /** 文件名 */ String filename = null; /** 上传的文件 */ FormFile file = merForm.getPicture(); /** 输入流对象（用于读取上传的文件数据） */ InputStream in = null; /** 输出流对象(用于将读取到的文件数据输出到服务端的另一个文件中) */ OutputStream out = null; try{ mer = service.loadMer(id); if (mer!=null){ mer.setId(id); mer.setMerName(merForm.getMerName().trim()); mer.setMerModel(merForm.getMerModel().trim()); mer.setPrice(merForm.getPrice()); mer.setSpecial(merForm.getSpecial()); mer.setSprice(merForm.getSprice()); mer.setMerDesc(merForm.getMerDesc().trim()); mer.setManufacturer(merForm.getManufacturer().trim()); mer.setLeaveFactoryDate(df.parse(merForm.getLeaveFactoryDate())); mer.setCategory(service.loadCategory(new Integer(merForm.getCategory()))); filename = file.getFileName(); if (file==null||filename.length()<1){ logger.info("您没有上传文件!"); }else{ in = file.getInputStream(); out = new FileOutputStream(dir+"/"+filename); int readed = 0; byte[] buffer= new byte[1024]; while ((readed=in.read(buffer,0,1024))!=-1){ out.write(buffer,0,readed); } logger.info("文件"+filename+"已经上传到了服务器上的"+dir+"下");