自己写的一个后台处理系统的好东西,希望对大家有帮助

				package org.apache.jsp;
				
				import javax.servlet.*;
				import javax.servlet.http.*;
				import javax.servlet.jsp.*;
				import java.sql.*;
				
				public final class login_jsp extends org.apache.jasper.runtime.HttpJspBase
				    implements org.apache.jasper.runtime.JspSourceDependent {
				
				  private static java.util.Vector _jspx_dependants;
				
				  public java.util.List getDependants() {
				    return _jspx_dependants;
				  }
				
				  public void _jspService(HttpServletRequest request, HttpServletResponse response)
				        throws java.io.IOException, ServletException {
				
				    JspFactory _jspxFactory = null;
				    PageContext pageContext = null;
				    HttpSession session = null;
				    ServletContext application = null;
				    ServletConfig config = null;
				    JspWriter out = null;
				    Object page = this;
				    JspWriter _jspx_out = null;
				    PageContext _jspx_page_context = null;
				
				
				    try {
				      _jspxFactory = JspFactory.getDefaultFactory();
				      response.setContentType("text/html; charset=GBK");
				      pageContext = _jspxFactory.getPageContext(this, request, response,
				      			"", true, 8192, true);
				      _jspx_page_context = pageContext;
				      application = pageContext.getServletContext();
				      config = pageContext.getServletConfig();
				      session = pageContext.getSession();
				      out = pageContext.getOut();
				      _jspx_out = out;
				
				      out.write("\r\n");
				      out.write("\r\n");
				      out.write("\r\n");
				      out.write("\r\n");
				      out.write("login\r\n");
				      out.write("\r\n");
				      out.write("\r\n");
				      out.write("\r\n");
				      out.write("\r\n");
				      out.print( request.getParameter("username") );
				      out.write("");
				      out.print( request.getParameter("password") );
				      out.write("\r\n");
				      out.write("\r\n");
				      out.write("\r\n");
				      out.write("\r\n");
				    } catch (Throwable t) {
				      if (!(t instanceof SkipPageException)){
				        out = _jspx_out;
				        if (out != null && out.getBufferSize() != 0)
				          out.clearBuffer();
				        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
				      }
				    } finally {
				      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
				    }
				  }
				}