login2_jsp.java

JSP+SQL SERVER,酒店管理系统

package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;

public final class login2_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

  private static java.util.List _jspx_dependants;

  public Object 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=gb2312");
      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");
      myhotel.MyConn MyConn = null;
      synchronized (session) {
        MyConn = (myhotel.MyConn) _jspx_page_context.getAttribute("MyConn", PageContext.SESSION_SCOPE);
        if (MyConn == null){
          MyConn = new myhotel.MyConn();
          _jspx_page_context.setAttribute("MyConn", MyConn, PageContext.SESSION_SCOPE);
        }
      }
      out.write("  \r\n");

String user=request.getParameter("user");

String password=request.getParameter("password");

String sql="select * from admin where username='"+user+"' and password='"+password+"'" ;



 ResultSet rs=MyConn.executeQuery(sql);   
if(rs.next())
{

 session.setAttribute("username", user);
 session.setAttribute("password", password);
  MyConn.close();  
  out.print("登陆成功");
}
else{
 out.print( "登陆失败");
}



      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);
    }
  }
}