queryaction.java

很好的东东 本人随便做的 仅供学习之用

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package chuyun.action;

import java.util.ArrayList;

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 chuyun.form.SelectActionForm;
import chuyun.javabeans.Ordersentiy;
import chuyun.operatedata.OpOrders;
import java.lang.*;

/** 
 * MyEclipse Struts
 * Creation date: 09-08-2007
 * 
 * XDoclet definition:
 * @struts.action path="/query" name="selectActionForm" scope="request" validate="true"
 */

public class QueryAction 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) {
		
		SelectActionForm selectActionForm = (SelectActionForm) form;// TODO Auto-generated method stub
              OpOrders opoders = new OpOrders();   
         
              

              int page = 1;
              String target=null;
        		
          		
          		if(!selectActionForm.getSelectValue().equals("")){
      	     	   if (request.getParameter("page") == null) {
      		  page = 1;
      		   } else {

      			page = Integer.parseInt(request.getParameter("page"));

      		}

      		if (selectActionForm.getPageText() != null) {
      			page = Integer.parseInt(selectActionForm.getPageText());

      		}
      		if (request.getParameter("action") != null) {
      			if (request.getParameter("action").equals("frist")) {
      				page = 1;
      			} else if (request.getParameter("action").equals("last")) {
      				page = OpOrders.pagenum;
      			} else if (request.getParameter("action").equals("back")) {
      				page -= 1;
      			} else if (request.getParameter("action").equals("frist")) {
      				page += 1;
      			}
      		}
      		
      		
      		
      		
      		if (page > OpOrders.pagenum)
      			page = OpOrders.pagenum;
      		
 
     // 	String selectValue=(String)request.getSession().getAttribute("selectValue")	;
      		
   ArrayList<Ordersentiy> list2 = opoders.selectordersBYname(selectActionForm.getSelectValue(), page, 5);
  
      	   		System.out.println("个数"+list2.size());
      	   		if(list2.size()==0){
      	   		target="queryerror";
        		
      	   			
      	   		}else
      	   		{
      	   		target="mid";
      	   			
      	   		}
      	  		// request.removeAttribute("queryList");
      	   		
      	  		request.setAttribute("queryList", list2);
      	  
      		//  request.getSession().removeAttribute("selectList");
      		//  request.getSession().setAttribute("selectList", list);
      	  	 request.setAttribute("selectValue",  selectActionForm.getSelectValue());
      	    
      	  
      		int pagecount = OpOrders.pagenum;

      		request.setAttribute("pagecount", pagecount);

      		request.setAttribute("page", page);
        }
        else{
        	 request.removeAttribute("queryList");
        	
        	
        }
          		
      		return mapping.findForward(target);
	}
}