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

jstl±êÇ©: c:ForeachÏê½â

 
Ϊѭ»·¿ØÖÆ£¬Ëü¿ÉÒÔ½«¼¯ºÏ(Collection)ÖеijÉԱѭÐòä¯ÀÀÒ»±é¡£ÔË×÷·½Ê½Îªµ±Ìõ¼þ·ûºÏʱ£¬¾Í»á³ÖÐøÖØ¸´Ö´Ðеı¾ÌåÄÚÈÝ¡£
¡¡¡¡ Ϊѭ»·¿ØÖÆ£¬Ëü¿ÉÒÔ½«¼¯ºÏ(Collection)ÖеijÉԱѭÐòä¯ÀÀÒ»±é¡£ÔË×÷·½Ê½Îªµ±Ìõ¼þ·ûºÏʱ£¬¾Í»á³ÖÐøÖØ¸´Ö´Ðеı¾ÌåÄÚÈÝ¡£
¡¡¡¡Óï·¨
¡¡¡¡Óï·¨1£ºµü´úÒ»¼¯ºÏ¶ÔÏóÖ®ËùÓгÉÔ±
¡¡¡¡<c:forEach [var="varName"] items="collection" [varStatus="varStatusName"] [begin="begin"] [end="end"] [step="step"]>    ¡¡¡¡±¾ÌåÄÚÈÝ     ¡¡¡¡</c:forEach>  ¡¡¡¡<c:forEach [var="varName"] items="collection" [varStatus="varStatusName"] [begin="begin"] [end="end"] [step="step"]>
¡¡¡¡±¾ÌåÄÚÈÝ
¡¡¡¡</c:forEach>
¡¡¡¡Óï·¨2£ºµü´úÖ¸¶¨µÄ´ÎÊý
¡¡¡¡<c:forEach [var="varName"] [varStatus="varStatusName"] begin="begin" end="end" [step="step"]>    ¡¡¡¡±¾ÌåÄÚÈÝ     ¡¡¡¡</c:forEach>  ¡¡¡¡<c:forEach [var="varName"] [varStatus="varStatusName"] begin="begin" end="end" [step="step"]>
¡¡¡¡±¾ÌåÄÚÈÝ
¡¡¡¡</c:forEach>
¡¡¡¡ ±êÇ©¾ßÓÐÒÔÏÂһЩÊôÐÔ£º
           var£ºµü´ú²ÎÊýµÄÃû³Æ¡£ÔÚµü´úÌåÖпÉÒÔʹÓõıäÁ¿µÄÃû³Æ£¬ÓÃÀ´±íʾÿһ¸öµü´ú±äÁ¿¡£ÀàÐÍΪString¡£
           items£ºÒª½øÐеü´úµÄ¼¯ºÏ¡£¶ÔÓÚËüËùÖ§³ÖµÄÀàÐͽ«ÔÚÏÂÃæ½øÐн²½â¡£
           varStatus£ºµü´ú±äÁ¿µÄÃû³Æ£¬ÓÃÀ´±íʾµü´úµÄ״̬£¬¿ÉÒÔ·ÃÎʵ½µü´ú×ÔÉíµÄÐÅÏ¢¡£
           begin£ºÈç¹ûÖ¸¶¨ÁËitems£¬ÄÇôµü´ú¾Í´Óitems[begin]¿ªÊ¼½øÐеü´ú£»Èç¹ûûÓÐÖ¸¶¨items£¬ÄÇô¾Í´Óbegin¿ªÊ¼µü´ú¡£ËüµÄÀàÐÍΪÕûÊý¡£
           end£ºÈç¹ûÖ¸¶¨ÁËitems£¬ÄÇô¾ÍÔÚitems[end]½áÊøµü´ú£»Èç¹ûûÓÐÖ¸¶¨items£¬ÄÇô¾ÍÔÚend½áÊøµü´ú¡£ËüµÄÀàÐÍҲΪÕûÊý¡£
           step£ºµü´úµÄ²½³¤¡£
           ±êÇ©µÄitemsÊôÐÔÖ§³ÖJavaƽ̨ËùÌṩµÄËùÓбê×


Ïà¹ØÎĵµ£º

ÓÃCдµÄ3DÃÔ¹¬

          Boss˵£¬Òª¿´OpenGL£¬¿´ÁË¿ìÒ»¸öÔ£¬×ÜËã³öÁ˸öÏñÑùµÄ¶«Î÷£¬ÓÃCдÁ˸ö3DÃÔ¹¬£¬
ËäȻֻÓÐ350ÐÐ
       ´úÂ룬²»¹ý±ßѧ±ßд£¬×ã×ãдÁËÒ»ÖÜʱ¼ä£¬»¹ÊÇСÓгɾ͸е쬻î»î»î£¡
         &n ......

̸C/C++Ö¸Õ뾫Ë裨һ£¬¶þ£¬Èý£©

[
ÕªÒª] 
 
Ö¸ÕëÊÇ
CºÍ
C++ÓïÑÔ±à³ÌÖÐ×îÖØÒªµÄ¸ÅÄîÖ®Ò»£¬Ò²ÊÇ×îÈÝÒײúÉúÀ§»ó²¢µ¼Ö³ÌÐò³ö´íµÄÎÊÌâÖ®Ò»¡£ÀûÓÃÖ¸Õë±à³Ì¿ÉÒÔ±íʾ¸÷ÖÖÊý¾Ý½á¹¹
, ͨ¹ýÖ¸Õë¿ÉʹÓÃÖ÷µ÷º¯ÊýºÍ±»µ÷º¯ÊýÖ®¼ä¹²Ïí±äÁ¿»òÊý¾Ý½á¹¹£¬±ãÓÚʵÏÖË«ÏòÊý¾ÝͨѶ£»²¢ÄÜÏñ»ã±àÓïÑÔÒ»Ñù´¦ÀíÄÚ´æµØÖ·£¬´Ó¶ø±à³ö¾«Á·¶ø¸ßЧµÄ³ÌÐò¡£Ö¸Õ뼫´óµØ·á¸»ÁË ......

c/c++ÓïÑÔÎÊÌâÖпɱä²ÎÊý


 va_listÊÇc/c++ÓïÑÔÎÊÌâÖнâ¾ö¿É±ä²ÎÊýµÄÒ»×éºê.ÏÈÀ´¿´Ò»¸ö³ÌÐòÀý×Ó°É.
view plaincopy to clipboardprint?
#include <stdarg.h>   
/**¡¡º¯ÊýÃû£ºmax  
  *¡¡¹¦ÄÜ£º·µ»Øn¸öÕûÊýÖеÄ×î´óÖµ  
  *  ²ÎÊý£ºnum£ºÕûÊýµÄ¸öÊý . ......

C multi line macro: do/while(0) vs scope block

http://docs.google.com/View?docid=ajbgz6fp3pjh_2dwwwwt#_38239340844832237
It is not about optimization.
The whole idea of using 'do/while' version
is to make a macro which will
expand into a regular statement, not into a
compound statement. This is
done in order to make the use of function-s ......

C/C++ÖйØÓÚ±éÀúÎļþ¼ÐµÄ²Ù×÷

#include <windows.h>
#include <stdio.h>
void FindFileInDir(char* rootDir, char* strRet)
{
char fname[256];
ZeroMemory(fname,256);
WIN32_FIND_DATA fd;
ZeroMemory(&fd, sizeof(WIN32_FIND_DATA));
HANDLE hSearch;
char filePathName[256];
char tmpPath[256];
ZeroMemory(filePathNa ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ