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

0415:JSPµÄÔËÐÐÔ­Àíͼ


1              web·þÎñÆ÷{TOMCAT(JSP)¡¢WEBLOGIC(JSP) }
                Ó¦Ó÷þÎñÆ÷
            Web·þÎñÆ÷´«ËÍ(serves)Ò³ÃæÊ¹ä¯ÀÀÆ÷¿ÉÒÔä¯ÀÀ£¬È»¶øÓ¦ÓóÌÐò·þÎñÆ÷ÌṩµÄÊǿͻ§¶ËÓ¦ÓóÌÐò¿ÉÒÔµ÷ÓÃ(call)µÄ·½·¨
(methods)¡£È·ÇÐÒ»µã£¬Äã¿ÉÒÔ˵£ºWeb·þÎñÆ÷רÃÅ´¦ÀíHTTPÇëÇó(request)£¬µ«ÊÇÓ¦ÓóÌÐò·þÎñÆ÷ÊÇͨ¹ýºÜ¶àЭÒéÀ´ÎªÓ¦ÓóÌÐòÌṩ
(serves)ÉÌÒµÂß¼­(business logic)¡£


Ïà¹ØÎĵµ£º

jsp Í·Îļþ cookie

<%
Cookie[] cooks = request.getCookies();
String cookieName = "Mycookie";
boolean flag = false;
for(Cookie cook : cooks)
{
if(cook.getName().equals(cookieName))
{
    flag = true;
    break;
}
}
if(!flag){
String str=System.currentTimeMillis()+"";
Cook ......

¿´V512ÊÓÆµJsp/Servletѧϰ±Ê¼Ç

//ѧϰ±Ê¼Ç, ¿ÉÄÜÓÐЩµØ·½Àí½âÓÐÎó, »á±í´ï²»Çå³þ
        v512_servlet+jsp
01 ÔÚÐÞ¸ÄÍêCookieºó,Ò»¶¨Òª¼ÓÉÏresponse.addCookie(c);
   CookieÖÐÖ»Äܱ£´æ×Öĸ»òÊý×ÖÐÅÏ¢;
02 req.getSession()Óëreq.getSession(boolean create)
   ÎÞ²ÎÊýµÄ == ÓвÎÊýµÄ²ÎÊýÎ ......

¹ØÓÚjspÖеÄcookieС³ÌÐò

<body>
 <%
   Cookie[] cookies = request.getCookies() ;
   Cookie cookie = null ;
   if(cookies!=null){
     cookie = cookies[0] ;
     out.print("ÉϴηÃÎʵÄipÊÇ£º " + request.getRemoteAddr() +"<br>") ;&n ......

jspµ¯³öд°¿Ú´úÂë

¸÷ÀàÍøÒ³µ¯´°´úÂë±àд
¡¡
¾­³£ÉÏÍøµÄÅóÓÑ¿ÉÄܻᵽ¹ýÕâÑùÒ»Ð©ÍøÕ¾£¬Ò»½øÈëÊ×Ò³Á¢¿Ì»áµ¯³öÒ»¸ö´°¿Ú£¬»òÕß°´Ò»¸öÁ¬½Ó»ò°´Å¥µ¯³ö£¬Í¨³£ÔÚÕâ¸ö´°¿ÚÀï»áÏÔʾһЩעÒâÊÂÏî¡¢°æÈ¨ÐÅÏ¢¡¢¾¯
¸æ¡¢»¶Ó­¹â¹ËÖ®ÀàµÄ»°»òÕß×÷ÕßÏëÒªÌØ±ðÌáʾµÄÐÅÏ¢¡£ÆäÊµÖÆ×÷ÕâÑùµÄÒ³ÃæÐ§¹û·Ç³£µÄÈÝÒ×£¬Ö»ÒªÍù¸ÃÒ³ÃæµÄHTMLÀï¼ÓÈ뼸¶ÎJavascript´úÂë¼´¿ÉÊ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ