jstl c:out c:set
<c:set value="hellking" var="userName"/>
<c:out value="${userName}"/>
ÎªÊ²Ã´ÍøÒ³Å׳ö
According to TLD or attribute directive in tag file, attribute value does not accept any expressions
¶øÎÒÓÃ
<c:set value="hellking" var="userName"/>
${uerName}
¾Í¿ÉÒÔÊä³ö°¡£¿£¿£¿£¿£¿
²»ÊÇ˵µÃºÜÃ÷°×ÁË£¬c:out²»½ÓÊÜÈκαí´ïʾÁË
Ö±½Ó <c:out value="userName"/> ¾ÍÐÐÁË
Ëü±¾Éí¾ÍÊÇÒ»¸öÊäÈë±í´ïʽµÄ·½Ê½ÁË£¬Ä㻹д¸ö±í´ïʾÔÚÄÇ£¬µ±È»±¨´íÁË
¿´À´Â¥ÉϵIJ»»áJTSL
ÎÒÈ¥ÍøÉÏ¿½±´ÁË´úÂëÏÂÀ´¾Í¿ÉÒÔÁË
ÎÒ»³ÒÉÊÇ´æ´¢µÄ±àÂë³öÎÊÌ⣬Ôì³ÉTOMCAT ±àÒë³ö´í
×ÜÓÚÐÐÁË
À´ <@ taglib prefix="c" uri="..." / >
uriÀïÃæµÄֵд´íÁË
µ«ÊÇ»¹ÊÇлл2Â¥¸øÎһشðÁË
.....
I'm sorry »ù±¾¶¼ÓÃ${}ûÓà <c:out>
ÎÒÓÃµÄ <c:import>²»Äܹ»ÕýÈ·µÄÏÔʾÁ¬½ÓºóµÄÄÚÈÝ µã»÷ºó·¾¶ÊÇ´íÎóµÄ ÓôÃÆ
½áÌù£¬É¢·Ö
<c:out>±êÇ©µÄ×÷ÓÃÊÇÓÃÀ´ÏÔʾ±í´ïʽµÄÖµ¡£ËüµÄ×÷ÓÃÊÇÓÃÀ´Ìæ´úͨ¹ýJSPÄÚÖöÔÏóout»òÕß <%=%>±êÇ©À´Êä³ö¶ÔÏóµÄÖµ¡£
<c:out>±êÇ©µÄÓ﷨˵Ã÷ÈçÏ£º
<c:out value="expression" default="expression" escapeXml="boolean"/>
<c:out>±êÇ©¾ßÓÐÒÔÏÂһЩÊôÐÔ£º
value£ºÓÃÀ´¶¨ÒåÐèÒªÇó½âµÄ±í´ïʽ¡£
default£ºÈ±
Ïà¹ØÎÊ´ð£º
13¸öÈËΧ³ÉһȦ£¬´ÓµÚÒ»¸öÈË¿ªÊ¼Ë³Ðò±¨ºÅ1£¬2£¬3¡£·²±¨µ½3ÕßÍ˳öȦ×Ó£¬ÕÒ³ö×îºóÁôÔÚȦ×ÓÖеÄÈËÔÀ´µÄÐòºÅ
½á¹ûÓ¦¸ÃÊÇ13 ¿ÉÎҵijÌÐòµÄ½á¹ûÊÇ11 Ï£ÍûºÃÐÄÈ˰ï¸ÄÒ»ÏÂ
#include <stdio.h>
#include < ......
#include <stdio.h>
#include <graphics.h>
void main()
{
int x0,y0,x1,y1,driver,mode,i;
driver=VGA;
mode=VGAHI;
initgraph(&driver,&mode,&qu ......
ÄãÃÇÏÖÔÚ»¹ÔÚÓÃCÂð£¿CÓÐǰ;Âð£¿
Ò»¶¨£¬²¢ÓÀÔ¶¼á³Ö
ÒýÓÃ
Ò»¶¨£¬²¢ÓÀÔ¶¼á³Ö
¶¥
ÓÐÓá£
Â¥Ö÷ºÎ³ö´ËÑÔ
Â¥Ö÷À´c°æÎÊÕâ¸öÎÊÌâÊÇÌß¹ÝÓÃÒâÂð¹þ¹þ
Ô½À´Ô½ÀäÊǿ϶¨µÄ£¬ÍêÈ«ÌÔ̵¹Ò²Ã»ÄÇôÈÝÒ×
c ......
ÎÒCѧµÃ²»ÊǺܺã¬ÎÒÃÇÏÖÔÚÓÖ¿ªÊ¼Ñ§C++ÁË£¬ÎÒ¿ÉÒÔ²»¿ÉÒÔÌø¹ýCÖ±½ÓȥѧC++°¡£¿ÒÔºó¹¤×÷ÁËCºÜÖØÒªºÜ³£ÓÃÊÇô£¿
¿ÉÒÔ¡£
cºÍc++µÄ²î±ð¿ÉÒÔ˵ºÜ´ó£¬µ«ÊÇÔÚѧϰµÄ¹ý³ÌÖбȽÏÄÑÌå»áµ½¡£ÉÏѧµÄʱºò»¹ÊǶ໨ʱ¼äÔÚ»ù´¡ÉÏ£ ......
Problem 1
Read Ken Thompson's article ...
char s[] = {
'\t',
'0',
'\n',
'}',
';",
'\n',
'\n',
......