yanglei031的专栏

 1.定义一个监听类：  class SetCurrentUserListener extends AbstractAction {      public void actionPerformed(ActionEvent arg0) {          setCurrentUser();      }  }   2. 定义一个常量字符串，用于在后面把Action和键盘的

 1.定义一个EventObject的子类public class XXXEvent extends EventObject2.定义一个EventListener的子类接口public interface XXXListener extends EventListener3.对某个控件或者界面添加定义的接口，即上面的XXXListener，这个接口的实现方法如下  public void

SQL2005非默认实例的情况下 JDBC的写法和默认实例有点不同： 非默认实例（SQL2005是实例名） con = DriverManager.getConnection("jdbc:sqlserver://172.16.5.2;instanceName=SQL2005; DatabaseName=EAS60_Demo", "sa","sa"); 或者 con = DriverMa

create database link hr.com1connect to username identified by pwdusing conStr; //conStr = 链接的数据库sid