back_cpgq_list_action.java

这个程序是花了好几十万请人开发的

package struts.action;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionError;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.sql.Connection;
import java.util.Vector;

import javabean.*;

public class back_cpgq_list_action extends Action{
//	初始化连接池	
	private ConnectionPool pool;
	
    public back_cpgq_list_action()
	{
//		从连接池中获得一个连接池实例
		pool=ConnectionPool.getInstance();
	}

	public ActionForward  execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response)
		throws Exception 
		{
			Connection con=null;
			ActionErrors errors=new ActionErrors();
			
			try
			{
//				从连接池中获得一个连接
				con=pool.getConnection();
				String fblx="",SregTime="-1",stype="";
				
			    //  分页
				Vector vec=new Vector();
				CpgqDAO cpgqDAO=new CpgqDAO(con);
				Page_Number pagenumber=new Page_Number(con);
				int pagesize=5;
				String code=request.getParameter("code");
				if(code==null) code="1";
				pagenumber.setPagesize(pagesize);
				String str="SELECT CPGQB.ID,CPGQB.UUID,CPGQB.NAME,CPGQB.STYPE,CPGQB.KIND,CPGQB.DESCRIBE,CPGQB.SPEC,CPGQB.AREA,CPGQB.QUANTITY,CPGQB.PRICE,CPGQB.FBDATE,CPGQB.EDATE,CPGQB.FLAG,CPGQB.PHOTO,MEMBER.COMPANY FROM CPGQB,MEMBER WHERE MEMBER.UUID=CPGQB.UUID ORDER BY FLAG";
				pagenumber.setRowcount(str);
				pagenumber.setPagecount();
				vec=cpgqDAO.find_fenye(Integer.parseInt(code),pagesize,str);
				request.setAttribute("vec",vec);
				request.setAttribute("code",code);
				request.setAttribute("pagecount",String.valueOf(pagenumber.getPagecount()));
				request.setAttribute("fblx",fblx);
				request.setAttribute("stype",stype);
				request.setAttribute("regtime",SregTime);					
//				释放连接
				if(con!=null) con.close();
				return mapping.findForward("success");					
			}
//			捕获一些可能的错误            			
			catch(Throwable e)
			{
				e.printStackTrace();
				ActionError error=new ActionError(e.getMessage());
				errors.add(ActionErrors.GLOBAL_ERROR,error);
			}
//			如果连接未释放，释放连接
			if(con!=null) con.close();
			saveErrors(request,errors);
			return new ActionForward(mapping.getInput());
		}
}