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
ÀàµÄ³õʼ»¯ºÍ¶ÔÏó³õʼ»¯ÊÇ JVM ¹ÜÀíµÄÀàÐÍÉúÃüÖÜÆÚÖзdz£ÖØÒªµÄÁ½¸ö»·½Ú£¬Google ÁËÒ»±éÍøÂ磬ÓйØÀà×°ÔØ»úÖÆµÄÎÄÕµ¹ÊDz»ÉÙ£¬È»¶øÀà³õʼ»¯ºÍ¶ÔÏó³õʼ»¯µÄÎÄÕ²¢²»¶à£¬ÌرðÊÇ´Ó×Ö½ÚÂëºÍ JVM ²ã´ÎÀ´·ÖÎöµÄÎÄÕ¸üÊÇÏÊÓÐËù¼û¡£
±¾ÎÄÖ÷Òª¶ÔÀàºÍ¶ÔÏó³õʼ»¯È«¹ý³Ì½øÐзÖÎö£¬Í¨¹ýÒ»¸öʵ¼ÊÎÊÌâÒýÈ룬½«Ô´´úÂëת»»³É JVM ×Ö½ÚÂëºó£¬ ......
ÃæÏò¶ÔÏóµÄÈý´óÌØÕ÷£º·â×°¡¢¼Ì³Ð¡¢¶à̬¡£
javaÖеķâ×°
·â×°£¬Ò»¸ö¶ÔÏóºÍÍâ½çµÄÁªÏµÓ¦µ±Í¨¹ýÒ»¸öͳһµÄ½Ó¿Ú£¬Ó¦µ±¹«¿ªµÄ¹«¿ª£¬Ó¦µ±Òþ²ØµÄÒþ²Ø¡££¨¶ÔÏóµÄÊôÐÔÓ¦µ±Òþ²Ø£©£¬Ò»¸ö¶ÔÏóµÄÄÚ²¿ÊÇ͸Ã÷µÄ£¬¾ÍÊǰѶÔÏóÄÚ²¿µÄ¿É͸Ã÷ÐÔºÍÒþ²ØµÄÌØÐÔÇø·Ö¿ª£¬¸Ã͸Ã÷µÄ͸Ã÷£¬¸ÃÒþ²ØµÄÒþ²Ø¡£
£¨·â×°µÄÊôÐÔ£©javaÖÐÀàµÄÊôÐԵķÃÎÊȨÏÞµÄĬ ......
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± ......
A flexible layout configurable with pattern string.
The goal of this class is to format
a LoggingEvent
and return the results as a String. The results depend on the conversion
pattern
.
The conversion pattern is closely related to the conversion pattern of the
printf function in C ......
ÌáÆðJavaÄÚ²¿ÀࣨInner Class£©¿ÉÄܺܶàÈ˲»Ì«ÊìϤ£¬Êµ¼ÊÉÏÀàËÆµÄ¸ÅÄîÔÚC++ÀïÒ²ÓУ¬ÄǾÍÊÇǶÌ×ÀࣨNested Class£©£¬¹ØÓÚÕâÁ½ÕßµÄÇø±ðÓëÁªÏµ£¬ÔÚÏÂÎÄÖлáÓжԱȡ£ÄÚ²¿Àà´Ó±íÃæÉÏ¿´£¬¾ÍÊÇÔÚÀàÖÐÓÖ¶¨ÒåÁËÒ»¸öÀࣨÏÂÎĻῴµ½£¬ÄÚ²¿Àà¿ÉÒÔÔÚºÜ¶àµØ·½¶¨Ò壩£¬¶øÊµ¼ÊÉϲ¢Ã»ÓÐÄÇô¼òµ¥£¬Õ§¿´ÉÏÈ¥ÄÚ²¿ÀàËÆºõÓÐЩ¶àÓ࣬ËüµÄÓô¦¶ÔÓÚ³õ ......