<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %> <%@ page import="com.util.*"%> <% request.setCharacterEncoding("gb2312");//����ҳ���ַ��� DBO db=new DBO();//��ʼ�������ݿ��� String sql="select * from xuesheng where 1=1 ";//��ѯ ѧ��sql��� db.open();//�����ݿ����� String yhm=(String)request.getParameter("yhm");//�û��� if(yhm!=null&&!yhm.equals("")){ sql+=" and yhm like '%"+yhm+"%'";//�������� ƴ��sql �û��� } String mm=(String)request.getParameter("mm");//���� if(mm!=null&&!mm.equals("")){ sql+=" and mm like '%"+mm+"%'";//�������� ƴ��sql ����