?? fooddetailaction.java
字號:
/*
* Generated by MyEclipse Struts
* Template path: templates/java/JavaClass.vtl
*/
package com.accp.struts.action;
import java.util.List;
import java.util.Set;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import com.accp.dao.FoodDAO;
import com.accp.dao.Goods;
import com.accp.dao.PageBean;
/**
* MyEclipse Struts
* Creation date: 10-21-2008
*
* XDoclet definition:
* @struts.action validate="true"
*/
public class FooddetailAction extends Action {
/*
* Generated Methods
*/
/**
* Method execute
* @param mapping
* @param form
* @param request
* @param response
* @return ActionForward
*/
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
// TODO Auto-generated method stub
FoodDAO fd=new FoodDAO();
String typeid=request.getParameter("sid"); //食品類別編號
System.out.println("typeid="+typeid);
request.setAttribute("type", typeid);
if(typeid!=null)
{
PageBean bean=null; //自定義PageBean類
int pagesize=5;//每頁顯示數據的條數
int pagecount=0;//總共分多少頁
if(request.getParameter("pages")==null)
{
System.out.println("第一次執行");
//第一次執行
bean=new PageBean();
//獲取總條數
bean.setTotal(fd.GetTotalnum(typeid));
//設置每頁條數
bean.setPagesize(pagesize);
//計算出要分多少頁
if(bean.getTotal()%pagesize==0)
{
pagecount=bean.getTotal()/pagesize;
}
else
{
pagecount=bean.getTotal()/pagesize+1;
}
System.out.println("pagecount="+pagecount);
bean.setPagenum(pagecount);
//將數據封裝到bean
bean.setPagedata(fd.GetEveryPageInfo(0, pagesize, typeid));
System.out.println("gggggggggg"+bean.getPagedata().size());
}
else
{
int pages=Integer.parseInt(request.getParameter("pages"));//獲得要顯示的第幾頁數
//從會話中取得bean對象
bean=(PageBean)(request.getSession().getAttribute("pagebean"));
bean.setCurrentpage(pages);
bean.setPagedata(fd.GetEveryPageInfo((pages-1)*pagesize, pagesize, typeid));
System.out.println("currentpage="+pages);
}
request.getSession().setAttribute("pagebean", bean);
}
return mapping.findForward("viewfood");
}
}
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