database_jsp.java

功能设计及说明 设计软件：windows XP＋Eclipse 3.3＋tomcat 6.0+lomboz3.3+mysql5.0 功能介绍：酒店管理系统能实现酒店介绍

package org.apache.jsp;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.io.*;
import java.util.*;
import com.mysql.jdbc.*;
import java.sql.*;

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

  private static final JspFactory _jspxFactory = JspFactory.getDefaultFactory();

  private static java.util.List _jspx_dependants;

  private javax.el.ExpressionFactory _el_expressionfactory;
  private org.apache.AnnotationProcessor _jsp_annotationprocessor;

  public Object getDependants() {
    return _jspx_dependants;
  }

  public void _jspInit() {
    _el_expressionfactory = _jspxFactory.getJspApplicationContext(getServletConfig().getServletContext()).getExpressionFactory();
    _jsp_annotationprocessor = (org.apache.AnnotationProcessor) getServletConfig().getServletContext().getAttribute(org.apache.AnnotationProcessor.class.getName());
  }

  public void _jspDestroy() {
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    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 {
      response.setContentType("text/html;charset=gb2312");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, 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(" \r\n");
      out.write(" \r\n");

String mysqldriver = "com.mysql.jdbc.Driver"; 
String usename="root";
String usepwd="123";
String dbname="bar";
String url="jdbc:mysql://localhost/"+dbname+"?user="+usename+"&password="+usepwd;
Class.forName("com.mysql.jdbc.Driver").newInstance();
java.sql.Connection conn=DriverManager.getConnection(url);
java.sql.Statement stmt;
 stmt=conn.createStatement();
java.sql.ResultSet rs;
rs = stmt.executeQuery("select * from room");
while(rs.next()) 
{//循环显示记录 

      out.write(' ');
      out.write('\r');
      out.write('\n');
      out.print(rs.getString("roomcode"));
      out.write(' ');
      out.write('\r');
      out.write('\n');
      out.print(rs.getString("roomstate"));
      out.write('\r');
      out.write('\n');
      out.print(rs.getString("classno"));
      out.write('\r');
      out.write('\n');
      out.print("<br>");
      out.write(' ');
      out.write('\r');
      out.write('\n');
 
} 
rs.close(); 

    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          try { out.clearBuffer(); } catch (java.io.IOException e) {}
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}