读写属性文件

  Connection connection=null;
  try {
   Class.forName(driverClassName);
   connection=DriverManager.getConnection(url,user,password);
  } catch (ClassNotFoundException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (SQLException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
  
  return connection;
}
...............// 关闭连接方法
}