lineitemaction.java

一个常用的电子商城的站点源码

package com.publish.shop.order.javabeans;

import com.publish.shop.util.javabeans.*;
import java.util.*;
import java.util.Iterator;
import org.apache.struts.action.*;
import javax.servlet.http.*;
import com.publish.shop.taglib.MenuManager;
import org.apache.struts.util.LabelValueBean;
import com.publish.shop.order.javabeans.LineItemProxy;
import com.publish.shop.util.javabeans.Constants;
import com.publish.shop.product.javabeans.ProductProxy;
import com.publish.shop.product.javabeans.ProductModel;
import java.util.ArrayList;
import java.math.*;
//import com.publish.shop.order.javabeans.CartBean;

public class LineItemAction extends BaseAction {
  LineItemProxy proxy = new LineItemProxy();
  public ActionForward executeAction(
      ActionMapping mapping,
      ActionForm form,
      HttpServletRequest request,
      HttpServletResponse response)
    {
      ActionForward myforward = null;
      String myaction = mapping.getParameter();
      Debug.println("OrderAction 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;
      LineItemForm form = (LineItemForm)actionForm;
      try
      {
        if (form.getStrutsAction()==1)
        {
          form.clear();
          forward = mapping.findForward("success");
        }
        else
        {
          Pager pager = form.getPager();
          ArrayList lListLineItem = proxy.queryLineItem(form.getModel(),pager);
          if (lListLineItem==null || lListLineItem.size()==0){
            request.setAttribute(Constants.Error_Name, Utility.getMessage("label.NoData"));
          }else
          {
            request.setAttribute("LineItemList", lListLineItem);
            request.setAttribute(Constants.Pager_Session, pager);
          }
        }
      }
      catch(Exception e)
      {
        request.setAttribute(Constants.Error_Name,Utility.getMessage("Shop.Product.Error.SearchUserError"));
      }
      setMenuSession(request,"shop_purchase","shop_purchase_prolist","");
      forward = mapping.findForward("success");
      return forward;
    }

    private ActionForward performDelete(ActionMapping mapping, ActionForm actionForm,
                                          HttpServletRequest request, HttpServletResponse response)
    {
      ActionForward forward = null;
      LineItemForm form = (LineItemForm)actionForm;
      try{
        proxy.deleteLineItem(form.getDeleteOrderId(), form.getDeleteLineIndex());
        Pager pager = form.getPager();
        ArrayList lListLineItem = proxy.queryLineItem(form.getModel(),pager);
        if(lListLineItem==null|| lListLineItem.size()==0){
          request.setAttribute(Constants.Error_Name,Utility.getMessage("label.NoData"));
        }else{
          request.setAttribute("LineItemList",lListLineItem);
          request.setAttribute(Constants.Pager_Session,pager);
        }
      }catch(Exception e){
        request.setAttribute(Constants.Error_Name,e.getMessage());
      }
      setMenuSession(request,"Purchase_Product","Purchase_Product_Search","");
      forward = mapping.findForward("success");
      return forward;
    }

    private ActionForward performModify(ActionMapping mapping, ActionForm actionForm,
                                            HttpServletRequest request, HttpServletResponse response){
        ActionForward forward = null;
        LineItemForm form = (LineItemForm)actionForm;
        try{
          if(form.getStrutsAction()==0){
            String orderId = form.getOrderId();
            String lineIndex = form.getLineIndex();
            form.clear();
            LineItemModel lModel = proxy.queryLineItemByOrderIdAndLineIndex(orderId, lineIndex);
            form.setOrderId(lModel.getOrderId());
            form.setLineIndex(lModel.getLineIndex());
            form.setProductId(lModel.getProductId());
            form.setQuantity(lModel.getQuantity());
            form.setUnitPrice(lModel.getUnitPrice());
            form.setOrderStatus(lModel.getOrderStatus());
            form.setProductName(lModel.getProductName());
            form.setCatId(lModel.getCatId());
            form.setCatName(lModel.getCatName());
          }
          else{
            proxy.updateLineItem(form.getModel());
          }
        }catch(ShopException e){
          try{
            request.setAttribute(Constants.Error_Name,e.getDescription());
          }catch(Exception ee){
          }
        }catch(Exception e){
          e.printStackTrace();
          try{
            request.setAttribute(Constants.Error_Name,Utility.getMessage("Shop.Product.Error.ModifyProductError"));
          }catch(Exception ee){
          }
        }
        setMenuSession(request,"admin_store","","");
        forward = mapping.findForward("success");
        return forward;
      }

      private ActionForward performAdd(ActionMapping mapping, ActionForm actionForm,
                                       HttpServletRequest request, HttpServletResponse response){
        ActionForward forward = null;
        LineItemForm form = (LineItemForm)actionForm;
        try{
          if(form.getStrutsAction()==0){
            form.clear();
          }
          else{
            LineItemModel lModel01 = proxy.queryLineItemByOrderIdAndLineIndex(form.getOrderId(), form.getLineIndex());
            if(lModel01!=null){
              throw new ShopException(Utility.getMessage("Shop.Product.Error.NameExists"));
            }
            proxy.insertLineItem(form.getModel());
            form.clear();
          }
        }catch(ShopException e){
          try{
            request.setAttribute(Constants.Error_Name,e.getDescription());
          }catch(Exception ee){
          }
        }catch(Exception e){
          e.printStackTrace();
          try{
            request.setAttribute(Constants.Error_Name,Utility.getMessage("Shop.Product.Error.AddProductError"));
          }catch(Exception ee){
          }
        }
        setMenuSession(request,"admin_store","admin_product_add","");
        forward = mapping.findForward("success");
        return forward;
      }

}