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

ÈçºÎ½â¾ö jsp ÖÐurl´«ÖµµÄÖÐÎÄÂÒÂëÎÊÌâ

ÔÚjspÖУ¬Èç¹ûÔÚurlÖд«µÝÖÐÎÄʱ»á³öÏÖÂÒÂ룬ÔÚÍøÉϹØÓÚÕâÒ»ÎÊÌâµÄ½â¾ö·½·¨Î廨°ËÃÅ£¬µ«¶¼²»ÊǺÜ×àЧ£¡Æäʵ½â¾ö·½·¨·Ç³£¼òµ¥£º µÚÒ»²½£º±àÂ루ÒÔ´«µÝµÄ²ÎÊýΪstrΪÀý£© ÔÚ´«µÝÊý¾Ýǰ½«str½øÐбàÂëJava.net.URLEncoder.encode(str) µÚ¶þ²½£º½âÂë ÔÚ»ñÈ¡Êý¾Ý¶Ë½«µÃµ½µÄÊý¾Ý½øÐнâÂë new String£¨str.getBytes("ISO8859_1")£©
¼òµ¥Ê¾Àý³ÌÐòÈçÏ£º
<%@ page contentType="text/html;charset=gb2312" %>
<a href="ds.jsp?url=<%=java.net.URLEncoder.encode("±àÂëµÄÊÇÕâÀï","GB2312")%>">µã»÷ÕâÀï</a>
<%
//request.setCharacterEncoding("GBK");
if(request.getParameter("url")!=null)
{
str=request.getParameter("url");
//ÏÂÃæÊǽâÂë
str=java.net.URLDecoder.decode(str,"GB2312");
str=new String(str.getBytes("ISO-8859-1"));
out.print(str);
}
%>


Ïà¹ØÎĵµ£º

jsp URI´«µÝ²ÎÊý£¬¶Ô·½½ÓÊÜÊÇÂÒÂë½â¾ö·½·¨

ÕâÖ÷ÒªÊÇtomcatµÄÎÊÌ⣬Ëü»áÔÚ´«Ë͵Äʱºò°Ñ×Ö·û¼¯ÖØÐ±àÒ룬µÈ´«¹ýÈ¥µÄjspÒ³Ãæ½ÓÊܵÄʱºò¾Í»á³öÏÖÂÒÂ룬
²»¹ÜÔÚÒ³ÃæÀïÈçºÎÉèÖÃ×Ö·û¼¯¶¼Ã»°ì·¨½â¾ö£¬Õâʱºò±ØÐë±ØÐëÔÚtomcat°²×°Ä¿Â¼Àï½øÐÐÉèÖã¬
C:\Program Files\apache-tomcat-6.0.14\confĿ¼Ï server.xmlÏ <Connector/>±êǩϠ¼ÓÒ»¾ä URIEncoding="GBK" ¾ÍºÃÁ ......

jsp:forward±êÇ©ºÍresponse.sendRedirect()·½·¨µÄÇø±ð

ÔÚÍøÉÏ¿´µ½Ò»Ð©Ìû×Ó£¬×ܽáÁËÒ»Ð©Çø±ð£¬¿ÉÒÔ´ÓÒÔϼ¸¸ö·½ÃæÀ´¿´£º
1.´ÓµØÖ·À¸ÏÔʾÀ´Ëµ
forwardÊÇ·þÎñÆ÷ÇëÇó×ÊÔ´,·þÎñÆ÷Ö±½Ó·ÃÎÊÄ¿±êµØÖ·µÄURL,°ÑÄǸöURLµÄÏìÓ¦ÄÚÈݶÁÈ¡¹ýÀ´,È»ºó°ÑÕâЩÄÚÈÝ
ÔÙ·¢¸øä¯ÀÀÆ÷.ä¯ÀÀÆ÷¸ù±¾²»ÖªµÀ·þÎñÆ÷·¢Ë͵ÄÄÚÈÝ´ÓÄÄÀïÀ´µÄ,ËùÒÔËüµÄµØÖ·À¸»¹ÊÇÔ­À´µÄµØÖ·.
redirectÊÇ·þÎñ¶Ë¸ù¾ÝÂß¼­,·¢ËÍÒ»¸ö×´ ......

jspÖ®session

     session¾ÍÊÇÒ»¸öÈ«¾Ö±äÁ¿£¬ÊÇä¯ÀÀÆ÷Ïß³ÌÔÚ·þÎñÆ÷¶ËµÄ´úÀí¡£web·þÎñ³ÌÐòÖ»Òª´ò¿ª£¬session¾Í»á´æÔÚ£¬µ±ÄãµÚÒ»´Î·ÃÎÊʱ£¬session»á×Ô¶¯ÎªÄã·ÖÅäÒ»¸ösession ID£¬ËùÒÔsessionΪн¨Á¢µÄ£¬ËùÒÔsession.isNew()Ϊtrue¡£µ±ÄãË¢ÐÂÒ³ÃæÊ±£¬Õâ¸ösession IDÒ»Ö±´æÔÚ(session.getId()²»±ä)£¬²»»áÏûʧ£¬ËùÒÔse ......

jsp Ö®Filter

(1) ÇëÇóÐÅÏ¢±àÂëת»¯µÄFilter
importjava.io.IOException;
importjava.util.Enumeration;
importjavax.servlet.Filter;
importjavax.servlet.FilterChain;
importjavax.servlet.FilterConfig;
importjavax.servlet.ServletException;
importjavax.servlet.ServletRequest;
importjavax.servlet.ServletResponse;
......

JSPʵÀýÒ»¡¢¹ºÎï³µ


֪ʶ׼±¸£º
JDBC·ÃÎÊÊý¾Ý¿âµÄ»ù±¾²½Öè
£¨1£©¡¢½«Êý¾Ý¿âµÄJDBCÇý¶¯¼ÓÔØµ½¹¤³ÌÀà¿âÖС£
£¨2£©¡¢¼ÓÔØJDBCÇý¶¯£¬²¢½«Æä×¢²áµ½DriverManagerÖС£ÏÂÃæÊÇһЩÖ÷Á÷Êý¾Ý¿âµÄJDBCÇý¶¯¼ÓÔØ×¢²áÂ룺
¢Ù¡¢oracleÊý¾Ý¿â
Class.forName(“oracle.jdbc.driver.OracleDriver”).newInstance();
¢Ú¡¢Sql Server 7.0/2000Êý¾ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ