JSP+Oracle数据库组建动态网站经典实例

				package sts;
				import java.sql.*;
				public class JdbcOdbc_Con
				{
					String dbDriver = "sun.jdbc.odbc.JdbcOdbcDriver"; 
					String strCon = "jdbc:odbc:sts"; 
					Connection con = null;
					ResultSet rs = null;
					Statement stmt = null;
					public JdbcOdbc_Con()
					{
						try
						{
							Class.forName(dbDriver);
						}
						catch(java.lang.ClassNotFoundException e)
						{
							System.err.println("数据库驱动程序加载失败，异常为：" + e.getMessage());
						}
						finally
						{
							System.out.println("驱动程序加载成功");
						}
					}
					public ResultSet executeQuery(String strSQL)
					{
						rs = null;
						try
						{
							con = DriverManager.getConnection(strCon);
							Statement stmt = con.createStatement();
							rs = stmt.executeQuery(strSQL);
							
						}
						catch(SQLException ex)
						{
							System.err.println("连接数据库失败了，异常为：" +ex.getMessage());
						}
						finally
						{
							System.out.println("数据库连接成功");
						}
						return rs;
					}
					
					public void executeUpdate(String strSQL)
					{
						try
						{
							con = DriverManager.getConnection(strCon);
							stmt = con.createStatement();
							stmt.executeQuery(strSQL);
						}
						catch(SQLException ex)
						{
							System.err.println("连接数据库失败了，异常为：" +ex.getMessage());
						}
					}
				
					 public String ex_chinese(String str)
				     {
						 if(str==null)
						 {
								str  ="" ;
						 }
						 else
						 {
							   try
							   {
									 str = new String(str.getBytes("iso-8859-1"),"gb2312") ;
							   }
							   catch (Exception ex) 
							   {
									System.err.println("异常为：" +ex.getMessage());
							   }
						 }
						 return str ;
				     }
				
					 public String gettime()
					 {
						String datestr =  "" ;
						try
						{
							java.text.DateFormat df = new java.text.SimpleDateFormat("yyyy年MM月dd日 HH点ss分") ;
							java.util.Date date = new java.util.Date() ;
							datestr = df.format(new java.util.Date()) ;
						}
						catch (Exception ex)
						{
							System.err.println("异常为：" +ex.getMessage());
						}
				
						return datestr ;
					 }
				}