Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JSPÖеÄCOOKIE²Ù×÷


JSPÖеÄCOOKIE²Ù×÷
Cookie¸ÅÄî:
    CookieµÄ¸ñʽʵ¼ÊÉÏÊÇÒ»¶Î´¿Îı¾ÐÅÏ¢, ÓÉ·þÎñÆ÷Ëæ×ÅÍøÒ³Ò»Æð·¢Ë͵½¿Í»§¶Ë, ²¢±£´æÔÚ¿Í»§¶ËÓ²ÅÌÖÐÖ¸¶¨µÄĿ¼µÄ. ´ó¼Ò¶¼´«ËµCookie»áÔì³ÉÑÏÖصݲȫÍþвʲôµÄ, Æäʵ²»ÊÇÕâô»ØÊÂÇé. ·þÎñÆ÷¶ÁÈ¡CookieµÄʱºò, Ö»Äܹ»¶ÁÈ¡µ½Õâ¸ö·þÎñÆ÷Ïà¹ØµÄÐÅÏ¢. ¶øÇÒ, ä¯ÀÀÆ÷Ò»°ãÖ»ÔÊÐí´æ·Å300¸öCookie, Ã¿¸öÕ¾µã×î¶à´æ·Å20¸ö, ¶øÇÒ, Ã¿¸öCookieµÄ´óСÏÖÔÚÔÚ4K, ¸ù±¾²»»áÕ¼ÓöàÉÙ¿Õ¼ä. ²¢ÇÒ, CookieÊÇÓÐʱЧÐÔÖʵÄ. ÀýÈç, ÉèÖÃÁËCookieµÄ´æ»îʱ¼äΪ1·ÖÖÓ, ÔòÒ»·ÖÖÓºóÕâ¸öCookie¾Í»á±»ä¯ÀÀÆ÷ɾ³ý
Cookie°æ±¾:
    Ä¿Ç°ÓÐÁ½¸ö°æ±¾:
    °æ±¾0 : ÓÉNetscape¹«Ë¾Öƶ¨µÄ£¬Ò²±»¼¸ºõËùÓеÄä¯ÀÀÆ÷Ö§³Ö. JavaÖÐΪÁ˱£³Ö¼æÈÝÐÔ, Ä¿Ç°Ö»Ö§³Öµ½°æ±¾0, CookieµÄÄÚÈÝÖв»ÄÜ¿Õ¸ñ£¬·½À¨ºÅ£¬Ô²À¨ºÅ£¬µÈÓںţ¨=£©£¬¶ººÅ£¬Ë«ÒýºÅ£¬Ð±¸Ü£¬Îʺţ¬@·ûºÅ£¬Ã°ºÅ£¬·ÖºÅ¡£
    °æ±¾1 : ¸ù¾ÝRFC 2109ÎĵµÖƶ¨µÄ. ·Å¿íÁ˺ܶàÏÞÖÆ. ÉÏÃæËùÏÞÖƵÄ×Ö·û¶¼¿ÉÒÔʹÓÃ. µ«ÎªÁ˱£³Ö¼æÈÝÐÔ, Ó¦¸Ã¾¡Á¿±ÜÃâʹÓÃÕâЩÌØÊâ×Ö·û.
JSPÖжÔCookieµÄ²Ù×÷: ÀàÐÍ ·½·¨Ãû ·½·¨½âÊÍ 
String getComment() ·µ»ØcookieÖÐ×¢ÊÍ,Èç¹ûûÓÐ×¢Ê͵Ļ°½«·µ»Ø¿ÕÖµ. 
String getDomain() ·µ»ØcookieÖÐCookieÊÊÓõÄÓòÃû. Ê¹ÓÃgetDomain() ·½·¨¿ÉÒÔָʾä¯ÀÀÆ÷°ÑCookie·µ»Ø¸øͬ Ò»ÓòÄÚµÄÆäËû·þÎñÆ÷,¶øͨ³£CookieÖ»·µ»Ø¸øÓë·¢ËÍËüµÄ·þÎñÆ÷Ãû×ÖÍêÈ«ÏàͬµÄ·þÎñÆ÷¡£×¢ÒâÓòÃû±ØÐëÒԵ㿪ʼ 
int getMaxAge() ·µ»ØCookie¹ýÆÚ֮ǰµÄ×î´óʱ¼ä£¬ÒÔÃë¼ÆËã¡£ 
String getName() ·µ»ØCookieµÄÃû×Ö 
String getPath() ·µ»ØCookieÊÊÓõÄ·¾¶¡£Èç¹û²»Ö¸¶¨Â·¾¶£¬Cookie½«·µ»Ø¸øµ±Ç°Ò³ÃæËùÔÚĿ¼¼°Æä×ÓĿ¼Ï µÄËùÓÐÒ³Ãæ¡£ 
boolean getSecure() Èç¹ûä¯ÀÀÆ÷ͨ¹ý°²È«Ð­Òé·¢ËÍcookies½«·µ»ØtrueÖµ£¬Èç¹ûä¯ÀÀÆ÷ʹÓñê׼ЭÒéÔò·µ»ØfalseÖµ¡£ 
String getValue() ·µ»ØCookieµÄÖµ¡£±ÊÕßÒ²½«ÔÚºóÃæÏêϸ½éÉÜgetValue/setValue¡£ 
int getVersion() ·µ»ØCookieËù×ñ´ÓµÄЭÒé°æ±¾¡£ 
void setComm


Ïà¹ØÎĵµ£º

JSPÖÐÎļþÏÂÔØ

<%--   
 
ÓÐЩÅóÓÑѯÎÊʹÓà JSP Smart ÏÂÔØÎļþµÄʱºò±¨´í, ÕâÀï¸ø³öÒ»¸ö²âÊÔ¹ýµÄ²»  
 
ÐèҪʹÓà JSP Smart µÄ JSP Ò³ÃæÖнøÐÐÎļþÏÂÔصĴúÂë(¸Ä Servlet »òÕß  
 
JavaBean µÄ»°×Ô¼º¸Ä°É), Ö§³ÖÖÐÎĸ½¼þÃû(×öÁËתÄÚÂë´¦Àí). ÊÂʵÉÏÖ»ÒªÏò   ......

jsp¼¸ÖÖ·½·¨

1.±ØÐë¼Ì³Ð×ÔHttpServlet
  2.±ØÐëʵÏÖdoGet()»òÕßdoPost()
  3.±ØÐëÔÚweb.xmlÖÐÅäÖÃServlet
  <servlet>
  <servlet-name> </servlet-name>
  <servlet-class> </servlet-class>
  </servlet>
  <servlet-mapping>
  ......

JSP»·¾³ÅäÖÃ

Ò») °²×°JDK(jdk-1_5_0-windows-i586.exe)£¬Ä¬ÈÏ°²×°£»
(¶þ) °²×°Tomcat(tomcat5.5-installer.exe)£¬Ä¬ÈÏ°²×°£»
 * ˳Ðò²»¿ÉÒԵߵ¹ *
(Èý) ²âÊÔ°²×°½á¹û
1. ´ò¿ªä¯ÀÀÆ÷ÊäÈëhttp://localhost:8080£¬Èç¹û³É¹¦£¬Ôò»á¿´µ½»¶Ó­Ò³Ãæ¡£´Ëʱ·ÃÎʵÄ·¾¶Îª$tomcat/webapps/root/
(ËÄ) ½¨Á¢ÎÒµÄÕ¾µ ......

JSPʵÀýÈý¡¢sql·ÖÒ³(1)

index.jsp
<%@ page language="java" import="java.sql.*" import="java.lang.*" import="java.util.*" pageEncoding="GB2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<%!
& ......

JSPÒ³Ãæµ÷ÓÃjsÖÐÎÄÂÒÂë

jspÖеÚÒ»¾ä£º
<%@ page language="java" import="java.sql.*,java.util.*,"  contentType="text/HTML;charset=gb2312" pageEncoding="gb2312"%>
htmlÖмÓÉÏ
<meta http-equiv="Content-Type" content="text/html;charset=gb2312" />
ͨ³£ÕâÑù¾ÍûÓÐÎÊÌâÁË¡£    .
ÔÙÕߣº µ¼ÈëjsʱºòÉ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ