market_hqpsaction.java

这个程序是花了好几十万请人开发的

/**
/**
 * @author 郑文金
 *关于"市场行情"中"行情评述"的action
 * 
 * 
 */
package struts.action;

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 java.sql.*;
import javabean.*;
import java.util.Vector;

public class Market_hqpsAction extends Action {
	

	private ConnectionPool pool;
	private Connection con;
	public Market_hqpsAction() throws SQLException
	{
		pool=ConnectionPool.getInstance();               //初始化连接池
	}
	
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response)
		throws Exception 
	{
		Vector vec=new Vector();		
		CodeString codestring=new CodeString();
		con=pool.getConnection();  //从池中获得一个连接
		HqdtDao hqdt=new HqdtDao(con);
		PageNumber pagenumber=new PageNumber(con);
		int pagesize=20;
		String type="HQPS";
		
		String s="select * from hqdtb where type= "+"'"+type+"'"+"  order by id desc";
		pagenumber.setPagesize(pagesize);		
		pagenumber.setRowcount(s);
		pagenumber.setPagecount();
		
		String code=request.getParameter("code");//获取页码
		if(code==null)
			code="1";
			
		if(Integer.parseInt(code)>pagenumber.getPagecount())
			code="1";
		vec=hqdt.hqdt_fenye(Integer.parseInt(code),pagesize,s);
		request.setAttribute("vec",vec);
		request.setAttribute("code",code);
		request.setAttribute("pagecount",String.valueOf(pagenumber.getPagecount()));	
		con.close();		
		return (mapping.findForward("market_hqps"));	
	}
}