a08f4a899984001c1f21e411a6f10361

一个超市管理系统,提供一些基本简单的操作,JSP+APACHE+ORCALE实现

package bb;

import java.sql.*;
import java.io.*;

public class Dbcon 
{
  Connection con=null;
  ResultSet rs=null;
  public void Dbconn()
  {
	  try 
      {
          Class.forName("oracle.jdbc.driver.OracleDriver");
          con = DriverManager.getConnection("jdbc:oracle:thin:@192.168.1.102:1521:smarket","tpb","111");
      } catch(Exception ex)
      {
          System.out.println(ex.toString());
      }  
  }
  public Connection getConn()
  {
	  return con;
  }
  public void Close()
  {
      try
      {
    	  con.close();
          con = null;
      } catch(SQLException ex){}
  }
  public ResultSet exesql(String sql){
	  try{
	  Statement stmt=con.createStatement();
	  rs=stmt.executeQuery(sql);
	  return rs;
	  }
	  catch(SQLException e){
		  return rs;
	  }
	  
  }
}