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

java¶¯Ì¬´´½¨Êý×é

  ÓÐJAVAÖУ¬ÓÐʱºòÐèÒª¸ù¾ÝÌõ¼þÀ´Éú³ÉÅú´¦ÀísqlsÓï¾äµÈ£¬ÐèÒª¶¯Ì¬Éú³ÉÊý×é¡£·½·¨£º
List<String> list=new ArrayList<String>();
if(true){
    list.add("insert.....");
    list.add("update....");
}else{
   list.add("insert....");
}
//Õâ¾äÊǹؼü,list.toArray»ñµÃµÄobjectµÄÊý×飬ÐèҪת»¯ÎªStringµÄÊý×é
String sqls[]=(String[]) list.toArray(new String[0]);
//Ö´ÐÐÅú´¦Àí³ÌÐò
DBTool.executeBatch(sqls);


Ïà¹ØÎĵµ£º

JAVA±Ê¼Ç£¨Î壩

javaÖеÄÐÞÊηû
static ±íʾ¾²Ì¬£¬Ëü¿ÉÒÔÐÞÊÎÊôÐÔ£¬·½·¨ºÍ´úÂë¿é¡£
1£¬staticÐÞÊÎÊôÐÔ£¨Àà±äÁ¿£©£¬ÄÇôÕâ¸öÊôÐԾͿÉÒÔÓà ÀàÃû.ÊôÐÔÃû À´·ÃÎÊ£¬Ò²¾ÍÊÇʹÕâ¸öÊôÐÔ³ÉΪ±¾ÀàµÄÀà±äÁ¿£¬Îª±¾Àà¶ÔÏóËù¹²ÓС£Õâ¸öÊôÐÔ¾ÍÊÇÈ«À๫ÓС££¨¹²ÓеÄÀà±äÁ¿Óë¶ÔÏóÎ޹أ¬Ö»ºÍÀàÓйأ©¡£
Àà¼ÓÔØµÄ¹ý³Ì£¬Àà±¾ÉíÒ²ÊDZ£´æÔÚÎļþÖУ¨×Ö½ÚÂëÎļþ± ......

java GC Àí½â

Ò»¸öÓÅÐãµÄjava±à³Ì³ÌÐòÔ±±ØÐëÁ˽âGCµÄ¹¤×÷Ô­Àí¡¢ÈçºÎÓÅ»¯GCµÄÐÔÄÜ¡¢ÈçºÎÓëGC½øÐÐÓÐÏ޵Ľ»»¥£¬ÒòΪÓÐһЩӦÓóÌÐò¶ÔÐÔÄÜÒªÇó½Ï¸ß£¬ÀýÈçǶÈëʽϵͳ¡¢ÊµÊ±ÏµÍ³µÈ£¬Ö»ÓÐÈ«ÃæÌáÉýÄÚ´æµÄ¹ÜÀíЧÂÊ £¬²ÅÄÜÌá¸ßÕû¸öÓ¦ÓóÌÐòµÄÐÔÄÜ¡£±¾ÆªÎÄÕÂÊ×Ïȼòµ¥½éÉÜGCµÄ¹¤×÷Ô­ÀíÖ®ºó£¬È»ºóÔÙ¶ÔGCµÄ¼¸¸ö¹Ø¼üÎÊÌâ½øÐÐÉîÈë̽ÌÖ£¬×îºóÌá³öһЩjava± ......

javaµ¼Èëµ¼³öexcel²Ù×÷(jxl)


±¾ÎÄת×Ôhttp://kingsui.javaeye.com/blog/154712
javaµ¼Èëµ¼³öexcel²Ù×÷(jxl)
Java½âÊÍExcelÊý¾Ý£¨jxl.jar°üµÄʹÓã©
¹Ø¼ü×Ö: java excel jxl.jar
jxl.jar °ü
ÏÂÔØµØÖ·:
http://www.andykhan.com/jexcelapi/
ÕæÊµÏÂÔØµØÖ·:
http://www.andykhan.com/jexcelapi/download.html
ÍøÕ¾É϶ÔËüµÄÌØÕ÷ÓÐÈçÏÂÃèÊö£ ......

java ÂÒÂë

1¡£Êý¾Ý¿â 
ÔÚ´´½¨µÄʱºò£¬Ö¸¶¨Æä±àÂëΪUTF-8. 
  £¨1£©oracle: 
SQL> select userenv('language') from dual; 
USERENV('LANGUAGE') 
--------------------------------------------- 
SIMPLIFIED CHINESE_CHINA.UTF8 
SQL> 
jdbc urlÎÞÐëÖ¸¶¨±àÂë¡£ 
& ......

[ת]´óÐÍJava WebϵͳѡÐÍÎÊÌâ̽ÌÖ

Ô­ÎÄÁ´½Ó£ºhttp://www.infoq.com/cn/news/2007/09/java_web_architecture_turnning
×÷Õß ÌïÀÖ ·¢²¼ÓÚ 2007Äê9ÔÂ17ÈÕ ÉÏÎç9ʱ24·Ö
һλIDÊÇjackson1225µÄÍøÓÑÔÚJavaEyeѯÎÊÁËÒ»¸ö´óÐÍWebϵͳµÄ¼Ü¹¹ºÍ²¿ÊðÑ¡ÐÍÎÊÌ⣬ϣÍûÄÜÌá¸ßÏÖÓеĻùÓÚJavaµÄWebÓ¦ÓõķþÎñÄÜÁ¦¡£ÓÉÓڼܹ¹Ä£Ê½ºÍ²¿Êðµ÷ÓÅÒ»Ö±ÊÇJavaÉçÇøµÄÈÈÃÅ»°Ì⣬Õâ¸öÎÊ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ