articlelist.java

一些数据库的java开发编程

package jdbcbook.msgboard;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;

import jdbcbook.pub.util.*;

public class ArticleList extends HttpServlet 
{
	public void doPost(HttpServletRequest request, HttpServletResponse response)
		throws IOException, ServletException
	{
		int nCurrentPage = RequestUtil.getInt( request, "currentpage", 0 );
		int pagenum = IntUtil.getInt( getInitParameter( "pagenum" ), 20 );

		Vector[] vt = ArticleBean.getArticleList( nCurrentPage*pagenum, pagenum );
		request.setAttribute( "articles", vt[0] );
		request.setAttribute( "replys", vt[1] );

		int nCount = ArticleBean.getArticleCount();
		request.setAttribute( "pagebean", new PageBean( nCurrentPage, (nCount-1)/pagenum + 1 ) );

		RequestDispatcher dispatcher = request.getRequestDispatcher( "articlelist.jsp" );
		dispatcher.forward( request, response );
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
		throws IOException, ServletException
	{
		doPost( request, response );
	}
}