应用MySql（JSP版）数据库管理系统

				/*
				 * DBconn.java
				 *
				 * Created on 2002年7月25日, 上午12:12
				 */
				package Show;
				import java.sql.*;
				public class DBconn 
				  {String DBDriver="org.gjt.mm.mysql.Driver";
				   String ConnStr="jdbc:mysql://localhost/web";
				   String MyUser="inens";
				   String MyPassword="inens";
				   Connection conn = null;
				   ResultSet rs = null;
				   public DBconn()
				     {try 
				        {Class.forName(DBDriver);
				        }
				      catch(java.lang.ClassNotFoundException e) 
				        {System.err.println("DBconn (): " + e.getMessage());
				        }
				     }
				   public ResultSet executeQuery(String sql) 
				     {rs = null;
				      try
				        {conn = DriverManager.getConnection(ConnStr,MyUser,MyPassword);
				         Statement stmt = conn.createStatement();
				         rs = stmt.executeQuery(sql);
				        }
				      catch(SQLException ex) 
				        {System.err.println("aq.executeQuery:"+ex.getMessage());
				        }
				      return rs;
				     }
				  }