categoryaction.java

jsp网站开发四“酷”全书原码

package com.publish.shop.product.javabeans;

import java.util.*;
import org.apache.struts.action.*;
import org.apache.struts.util.LabelValueBean;
import com.publish.shop.util.javabeans.*;
import javax.servlet.http.*;

public class CategoryAction extends BaseAction {
  CategoryProxy proxy = new CategoryProxy();

  public ActionForward executeAction (
              ActionMapping mapping,
              ActionForm form,
              HttpServletRequest request,
              HttpServletResponse response){
          ActionForward myforward = null;
      String myaction = mapping.getParameter();
      Debug.println("CategoryAction action: "+myaction);
      if("search".equalsIgnoreCase(myaction)) {
        myforward = performSearch(mapping, form, request, response);
      }else if ("add".equalsIgnoreCase(myaction)) {
        myforward = performAdd(mapping, form, request, response);
      }else if ("delete".equalsIgnoreCase(myaction)) {
        myforward = performDelete(mapping, form, request, response);
      }else if ("modify".equalsIgnoreCase(myaction)) {
        myforward = performModify(mapping, form, request, response);
      }
      return myforward;
    }

    private ActionForward performSearch(ActionMapping mapping, ActionForm actionForm,
                                        HttpServletRequest request, HttpServletResponse response){
      ActionForward forward = null;
      CategoryForm form = (CategoryForm)actionForm;
      try{
        if(form.getStrutsAction()==1){
          form.clear();
          forward = mapping.findForward("success");
        }
        else{
          ArrayList listProductCat = proxy.getCatLabel();
          HttpSession session = request.getSession();
          if(listProductCat==null|| listProductCat.size()==0){
            request.setAttribute(Constants.Error_Name,Utility.getMessage("label.NoData"));
          }else{
            session.setAttribute("ProductCatList", listProductCat);
          }
        }
      }catch(Exception e){
        request.setAttribute(Constants.Error_Name,e.getMessage());
      }
      setMenuSession(request,"admin_store","admin_productcat_manager","");
      forward = mapping.findForward("success");
      return forward;
    }

    private ActionForward performDelete(ActionMapping mapping, ActionForm actionForm,
                                          HttpServletRequest request, HttpServletResponse response){
      ActionForward forward = null;
      CategoryForm form = (CategoryForm)actionForm;
      try{
        proxy.deleteCategory(form.getDeleteCatId());
        Pager pager = form.getPager();
        ArrayList lListCategory = proxy.queryCategory(form.getModel(),pager);
        if(lListCategory==null|| lListCategory.size()==0){
          request.setAttribute(Constants.Error_Name,Utility.getMessage("label.NoData"));
        }else{
          request.setAttribute("CategoryList",lListCategory);
          request.setAttribute(Constants.Pager_Session,pager);
        }
      }catch(Exception e){
        request.setAttribute(Constants.Error_Name,e.getMessage());
      }
      setMenuSession(request,"Admin_Store","Store_Category","Store_Category_Search");
      forward = mapping.findForward("success");
      return forward;
    }

    private ActionForward performModify(ActionMapping mapping, ActionForm actionForm,
                                          HttpServletRequest request, HttpServletResponse response){
      ActionForward forward = null;
      CategoryForm form = (CategoryForm)actionForm;
      try{
        if(form.getStrutsAction()==0){
          CategoryModel model = proxy.queryCategory(form.getCatId());
          form.setCatName(model.getCatName());
        }
        else{
          CategoryModel llModel = proxy.queryCategory(form.getCatName().trim());
          if(llModel!=null && !llModel.getCatId().trim().equals(form.getCatId().trim())){
            request.setAttribute(Constants.Error_Name,Utility.getMessage("Shop.Category.Error.AddCategoryError01"));
            forward = mapping.findForward("success");
            return forward;
          }
          proxy.updateCategory(form.getModel());
        }
      }catch(Exception e){
        e.printStackTrace();
        request.setAttribute(Constants.Error_Name,Utility.getMessage("Shop.Category.Error.AddCategoryError"));
      }
      setMenuSession(request,"Admin_Store","Store_Category","Store_Category_Search");
      forward = mapping.findForward("success");
      return forward;
    }

    private ActionForward performAdd(ActionMapping mapping, ActionForm actionForm,
                                            HttpServletRequest request, HttpServletResponse response){
      ActionForward forward = null;
      CategoryForm form = (CategoryForm)actionForm;
      setMenuSession(request,"Admin_Store","Store_Category","Store_Category_Add");
      try{
        if(form.getStrutsAction()==0){
          form.clear();
        }
        else{
          if(proxy.queryCatByName(form.getCatName().trim())!=null){
            request.setAttribute(Constants.Error_Name,Utility.getMessage("Shop.Category.Error.AddCategoryError01"));
            forward = mapping.findForward("success");
            return forward;
          }
          proxy.insertCategory(form.getModel());
          form.clear();
        }
      }catch(Exception e){
        try{
        }catch(Exception ee){
        }
        request.setAttribute(Constants.Error_Name,Utility.getMessage("Shop.Category.Error.AddCategoryError"));
      }
      //setMenuSession(request,"Sec_Security","Sec_Category_Add","");
      forward = mapping.findForward("success");
      return forward;
    }
}