Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java µ½Êý¾Ý¿â


public ActionForward backUpAction(ActionMapping mapping, ActionForm form,   
            HttpServletRequest request, HttpServletResponse response)   
            throws Exception {   
       
           Calendar cDay = Calendar.getInstance();   
           SimpleDateFormat myf = new SimpleDateFormat("yyyyMMddHHmmss");   
           String day = myf.format(cDay.getTime());   
           // »ñµÃConstantÖж¨ÒåµÄÊý¾Ý¿â±¸·ÝÎļþ´æ·Å·¾¶£¬¸ñʽÈ磺   
          // public static final String DataBaseBackUpPath = "D:\\sOADB\\";   
    String outputFile = Constant.DataBaseBackUpPath;   
           // Èç¹û·þÎñÆ÷¶ËÓ²ÅÌÉϲ»´æÔÚoutputFileĿ¼£¬Ôò´´½¨Õâ¸öĿ¼   
           File mydir = new File(outputFile);   
           if (!(mydir.exists())) {   
               mydir.mkdir();   
           }   
        
           // ±¸·ÝÎļ


Ïà¹ØÎĵµ£º

JavaÖи÷ÖÖÐÞÊηûÓë·ÃÎÊÐÞÊηûµÄ˵Ã÷

Àࣺ
·ÃÎÊÐÞÊηû
 
ÐÞÊηû
 
class

ÀàÃû³Æ
extends
¸¸ÀàÃû³Æ
implement
½Ó¿ÚÃû³Æ
£¨·ÃÎÊÐÞÊηûÓëÐÞÊηûµÄλÖÿÉÒÔ»¥»»£©
·ÃÎÊÐÞÊηû
Ãû³Æ
˵Ã÷
±¸×¢
public
¿ÉÒÔ±»ËùÓÐÀà·ÃÎÊ£¨Ê¹Óã©
publicÀà±ØÐ붨ÒåÔÚºÍÀàÃûÏàͬµÄͬÃûÎļþÖÐ
package
¿ÉÒÔ±»Í¬Ò»¸ö°üÖеÄÀà·ÃÎÊ£¨Ê¹Óã©
ĬÈϵķÃÎ ......

java rmi ±à³Ì³öÏÖµÄaccess deniedÎÊÌâ½â¾ö

java ÓÃrmi±àд¿Í»§/·þÎñ³ÌÐò
³öÏÖaccess denied ÎÊÌâ
ÒòΪ²»ÖªµÀÔõôÅäÖà ²ßÂÔÎļþ ¾Í½«¿Í»§¶ËµÄSystem.setSecurityManager(new RMISecurityManager())ɾÁË£¬ÔËÐÐjava ProductClient 
³É¹¦£¡
ÅäÖòßÂÔÎļþµÃÖ®ºó²ÅŪÀ² ......

java jdbc µ÷Óà oracle´æ´¢¹ý³Ì ·µ»ØÓαê

1.´´½¨²âÊÔ±í
create table users(
userid int primary key,
username varchar2(20),
userpwd  varchar2(20)
);
insert into users values(1,'test','test');
insert into users values(2,'test','test');
insert into users values(3,'test','test');
insert into users values(4,'test','test');
insert i ......

JAVA CalendarÏê½â

JAVA CalendarÏê½â
£¨ÔÚÎÄÕµÄ×îºó£¬½«»á½éÉÜDateÀ࣬Èç¹ûÓÐÐËȤ£¬¿ÉÒÔÖ±½Ó·­µ½×îºóÈ¥ÔĶÁ£©
¾¿¾¹Ê²Ã´ÊÇÒ»¸ö Calendar ÄØ£¿ÖÐÎĵķ­Òë¾ÍÊÇÈÕÀú£¬ÄÇÎÒÃÇÁ¢¿Ì¿ÉÒÔÏëµ½ÎÒÃÇÉú»îÖÐÓÐÑô(¹«)Àú¡¢Òõ(Å©)ÀúÖ®·Ö¡£ËüÃǵÄÇø±ðÔÚÄÄÄØ£¿
±ÈÈçÓУº
Ô·ݵ͍Òå - Ñô`(¹«)Àú Ò»Äê12 ¸öÔ£¬Ã¿¸öÔµÄÌìÊý¸÷²»Í¬£»Òõ(Å©)Àú£¬Ã¿¸öÔ¹̶¨28 ......

javaÖеÄ23ÖÐÉè¼ÆÄ£Ê½

                                       JavaÖеÄ23ÖÖÉè¼ÆÄ£Ê½ 
     1¡¢¹¤³§Ä£Ê½£º¿Í»§ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ