jspÖÐÏÔʾµ±Ç°ÏµÍ³Ê±¼ä
1¡¢<%=(new java.util.Date()).toLocaleString()%>
2¡¢<script language= "javascript ">
var today=new Date()
var month=today.getMonth()+1
document.write(today.getYear()+ "Äê "+month+ "ÔÂ "+today.getDate()+ "ÈÕ ")
</script>
3¡¢Date currentTime = new Date();
SimpleDateFormat formatter = new SimpleDateFormat( "yyyy-MM-dd ");
String dateString = formatter.format(currentTime);
dataString µÄ¸ñʽ¾ÍÊÇ2007-03-08ÕâÀàÐÍ
4¡¢<%
java.util.Date now=new java.util.Date();
out.println(now);
%>
5¡¢import java.util.*;
int y,m,d,h,mm;
Calendar c = Calendar.getInstance();
y = c.get(Calendar.YEAR); //Äê
m = c.get(Calendar.MONTH) + 1; //ÔÂ
d = c.get(Calendar.DAY_OF_MONTH); //ÈÕ
h = c.get(Calendar.HOUR); //ʱ
mm = c.get(Calendar.MINUTE); //·Ö
Ïà¹ØÎĵµ£º
JSPÖеÄpageEncodingºÍ contentTypeÊôÐÔ
¹ØÓÚJSPÒ³ÃæÖеÄpageEncodingºÍcontentTypeÁ½ÖÖÊôÐÔµÄÇø±ð£º
pageEncodingÊÇjspÎļþ±¾ÉíµÄ±àÂë contentTypeµÄcharsetÊÇÖ¸·þÎñÆ÷·¢Ë͸ø¿Í»§¶ËʱµÄÄÚÈݱàÂë JSPÒª¾¹ýÁ½´ÎµÄ“±àÂ딣¬µÚÒ»½×»áÓÃpageEncoding£¬µÚ¶þ½×¶Î»áÓÃutf-8ÖÁutf-8£¬µÚÈý½×¶Î¾ÍÊÇÓÉTomcat³öÀ´µÄÍøÒ³ ......
Ò»¡¢JSP¼ò½é
JSP (Java Server Pages)ÊÇ·þÎñÆ÷¶ËµÄ½Å±¾ÓïÑÔ£¬ÊÇÒ»ÖÖÔÚHTMLÒ³ÃæÖмÓÈëJavaÓïÑÔ¶øÉú³É¶¯Ì¬Ò³ÃæµÄ¼¼Êõ£º¼ÓÈëÁËеıêÇ©£¨<%£¬%>£¬…£©¡£
JSPÊÇÒÔJavaºÍServletΪ»ù´¡¿ª·¢¶ø³ÉµÄ¶¯Ì¬ÍøÒ³Éú³É¼¼Êõ£¬ËüµÄµ×²ãʵÏÖÊÇJava Servlet¡£
JSPÒ³ÃæÓÉHTML´úÂëºÍǶÈëÆäÖеÄJava´úÂëËù×é³É¡£·þÎñÆ÷ÔÚÒ³Ãæ±»¿Í» ......
½üÆÚµÄÒ»¸öÏîÄ¿ÐèҪʵÏÖÉãÏñͷͼÏñ²É¼¯£¬¾¹ýһϵÁеÄÕÛÌÚÒÔºó£¬ÖÕÓÚʵÏÖÁËÕâ¸ö¹¦ÄÜ£¬ÏÖÕûÀíһϡ£
±¾Éí¾Íjava¼¼ÊõÀ´Ëµ£¬ÒªÊµÏÖÉãÏñÍ·¶þ´Î¿ª·¢£¬²É¼¯ÉãÏñͷͼƬ£¬ÐèҪʹÓõ½JMF£¬JMFÊʺÏʹÓÃÔÚj2se³ÌÐòµ±ÖУ¬ÎÒÐèÒªÔÚweb³ÌÐòÖе÷ÓÃÉãÏñÍ·£¬ºÜÃ÷ÏÔJMFÊǸ㲻¶¨ÁË£¬Ïë¹ýдһ¸öapplet³ÌÐò£¬Ö»ÊÇÄǶ«Î÷ÒªÇó¿Í»§¶Ë±ØÐëÒªÓÐjre»·¾ ......
<c:if>ÓÃÓÚ
Á÷³Ì¿ØÖÆ
Óï·¨
1:
<c:if
test=”testCondition” var=”varName”
[scope=”page|request|session|application”]/>
Óï·¨
2:
<c:if
test=”testCondition” var=”varName”
[scope=&rdquo ......
½ñÌì²âÊÔÈËÔ±¸øÎÒÌáÁËÒ»¸öbug£¬ËµÎÒ¿ª·¢µÄÄ£¿é±¨¿ò¼ÜµÄjs´íÎ󣬵±Ê±Ò»Ìý¾ÍãÂÁË£¬ÎÒ±¾µØ²âÊÔÍêȫûÎÊÌ⣬ÔõôÉÏÁË·þÎñÆ÷»á³öÏÖÕâ¸öÎÊÌâÄØ£¿
ÓÚÊÇÎÒÈ¥·þÎñÆ÷ÉϲâÁËÒ»ÏÂ×Ô¼ºÐ´µÄÄǸöÄ£¿é£¬½á¹û±¨µÄ´íÎ󻹺ͲâÊÔÈËÔ±Ìá¸øÎҵĴíÎó²»Ò»Ö£¬ÔÓ»ØÊ£¿ÓÚÊÇÎÒÓÖÕÒµ½Ò»ÃûͬÊ£¬ÈÃËû°ïÎÒ²âһϣ ......