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

JSPÖж¯Ì¬INCLUDEÓ뾲̬INCLUDEµÄÇø±ð

ÎÒÃǶ¼ÖªµÀÔÚjspÖÐincludeÓÐÁ½ÖÖÐÎʽ,·Ö±ðÊÇ
    <%@ include file=" "%>
    <jsp:include page=" " flush="true"/>
    Ç°ÕßÊÇÖ¸ÁîÔªËØ¡¢ºóÕßÊÇÐÐΪԪËØ.
    ͨ³£µ±Ó¦ÓóÌÐòÖÐËùÓеÄÒ³ÃæµÄijЩ²¿·Ö(ÀýÈç±êÌâ¡¢Ò³½ÅºÍµ¼º½À¸)¶¼ÏàͬµÄʱºò,ÎÒÃǾͿÉÒÔ¿¼ÂÇÓÃinclude.¾ßÌåÔÚÄÄЩʱºòÓÃ<%@ include file=" "%>,ÄÄЩʱºòÓÃ<jsp:include page=" " flush="true"/>.ÕâÖÖÐÎʽ.Ê×ÏÈÒªÃ÷°×µÄÊÇËüÃÇÖ®¼äµÄÇø±ð.
    <%@ include file=" "%>,jspµÄincludeÖ¸ÁîÔªËضÁÈëÖ¸¶¨Ò³ÃæµÄÄÚÈÝ.²¢°ÑÕâЩÄÚÈݺÍÔ­À´µÄÒ³ÃæÈںϵ½Ò»Æð.(Õâ¸ö¹ý³ÌÊÇÔÚ·­Òë½×¶Î:Ò²¾ÍÊÇjsp±»×ª»¯³ÉservletµÄ½×¶Î½øÐеģ©.
    ÕâÀï¶Ô·­Òë½×¶Î½øÐÐÒ»ÏÂ˵Ã÷:ÎÒÃÇÖªµÀ,jspÒ³Ãæ²»ÄÜÔ­·â²»¶¯µØ±»´«Ë͸øä¯ÀÀÆ÷,ËùÓеÄjspÔªËض¼±ØÐëÊ×ÏÈÓÉ·þÎñÆ÷½øÐд¦Àí.ÕâÊÇͨ¹ý½«jspÒ³Ãæת´ï»¯³Éservlet,È»ºóÖ´ÐÐÕâ¸öservletÀ´Íê³ÉµÄ.·þÎñÆ÷ÐèÒªÒ»¸öjspÈÝÆ÷À´´¦ÀíjspÒ³Ãæ.jspÈÝÆ÷ͨ³£ÒÔservletµÄÐÎʽÀ´ÊµÏÖ,Õâ¸öservlet¾­¹ýÅäÖÃ,¿ÉÒÔ´¦Àí¶ÔjspÒ³ÃæµÄËùÓÐÇëÇó.
    JspÈÝÆ÷¸ºÔð½«jspÒ³Ãæת»¯³Éservlet(³ÆΪjspÒ³ÃæʵÏÖÀà?JSP Page implementation class),²¢±àÒëÕâ¸öservlet.ÕâÁ½²½¾Í¹¹³ÉÁË·­Òë½×¶Î.
    ÓÉ´ËÎÒÃǾͻáÖªµÀ:jspÒ³ÃæÊÇ°ÑincludeÖ¸ÁîÔªËØËùÖ¸¶¨µÄÒ³ÃæµÄʵ¼ÊÄÚÈÝ(Ò²¾ÍÊÇ´úÂë¶Î)¼ÓÈëµ½ÒýÈëËüµÄjspÒ³ÃæÖÐ,ºÏ³ÉÒ»¸öÎļþºó±»jspÈÝÆ÷½«Ëüת»¯³Éservlet.¿ÉÒÔ¿´µ½Õâʱ»á²úÉúÒ»¸öÁÙʱclassÎļþºÍÒ»¸öjavaÎļþ.ÏÂÃæ¾Ù¸öÀý×Ó.
    ·þÎñÆ÷ÓÃtomcat,ÒýÈëÒ³ÃæµÄjspÎļþ½Ðtest.jsp.±»ÒýÈëµÄÒ³Ãæ½Ðdate.jsp.Õâ¸öjspÎļþÀï´æ·ÅµÄÊÇÒ»¸öÓйØʱ¼äµÄjsp´úÂë,µ±Ç°µÄÉÏÏÂÎĸùÉèΪtest
    //======date.jspµÄÔ´Îļþ=====//
    <%@ page language="java" contentType="text/html;charset=gb2312"%>
    <%
    java.util.Date date=new java.util.Date();
    String date_cn ="";
    String dateStr = "";
    switch(date.getDay())
    {
    case 0:date_cn ="ÈÕ"; break;
    case 1:date_cn ="Ò»"; break;
    case 2:date_cn ="¶þ"; bre


Ïà¹ØÎĵµ£º

jsp/servletÖеĹýÂËÆ÷FilterÅäÖÃ×ܽá

ÔÚJava web¿ª·¢Öг£»áʹÓõ½¹¦ÄÜÇ¿´óµÄ¹ýÂËÆ÷£¬Ëû±Ï¾¹ÄܸøÎÒÃÇ´øÀ´ºÜ´óµÄ·½±ã£¬µ«ÊÇÕë¶Ô¹ýÂ˵Ä×ÊÔ´ÎÒÃÇÐèÒªÏêϸµÄÁ˽âËûÃÇÔÚweb.xmlÖеÄÅäÖÃÐÅÏ¢¡£Õâ¸ö¸ù¾Ý¼¸ÖÖ³£ÓõIJ»Í¬Çé¿ö½øÐÐÁË×ܽ᣺
1.Èç¹ûÒªÓ³Éä¹ýÂËÓ¦ÓóÌÐòÖÐËùÓÐ×ÊÔ´£º
<filter>
    <filter-name>loggerfilter</filter-name> ......

JSP+MySqlµÄʱ¼ä´¦Àí

ºÜ¾ÃûÓÐÓÃMysqlÁË£¬·¢ÏÖССµÄʱ¼äÎÊÌâÒ²Óöµ½²»ÉÙÂé·³£¬ºÇºÇ
ËùÒÔ×ܽáһϣº
µÚÒ»ÖÖ:
Date time= new java.sql.Date(new java.util.Date().getTime());
µÚ¶þÖÖ:
java ÓÃPreparedStatementÀ´setDate,ÓÃÎʺŵÄÐÎʽ¸øÈÕÆÚÎʺŸ³Öµ
pstmt.setTimestamp(8, new Timestamp(System.currentTimeMillis()));  
pst ......

JSPµÄÄÚÖöÔÏó¼°·½·¨

request request±íʾHttpServletRequest¶ÔÏó¡£Ëü°üº¬ÁËÓйØä¯ÀÀÆ÷ÇëÇóµÄÐÅÏ¢£¬²¢ÇÒÌṩÁ˼¸¸öÓÃÓÚ»ñÈ¡cookie, header, ºÍsessionÊý¾ÝµÄÓÐÓõķ½·¨¡£
response response±íʾHttpServletResponse¶ÔÏ󣬲¢ÌṩÁ˼¸¸öÓÃÓÚÉèÖÃËÍ»Ø ä¯ÀÀÆ÷µÄÏìÓ¦µÄ·½·¨£¨Èçcookies,Í·ÐÅÏ¢µÈ£©
out out ¶ÔÏóÊÇjavax.jsp.JspWriterµÄÒ»¸öʵÀý£¬ ......

jsp ÍøÂç

 ÔÚtomcatÏÂÕÒµ½tomcat -> conf -> server.xml ÔÚÕâÒ»¾äÖÐÌí¼ÓºìÉ«²¿·Ö
<Connector connectionTimeout="20000" port="9090" protocol="HTTP/1.1" redirectPort="8443" useBodyEncodingForURI="true"
/> <!--URLEncoding=""--> ± ......

ÎÒµÄJSPѧϰ±Ê¼Ç JSPÒ³ÃæÖеÄ×¢ÊÍ

JSPÒ³ÃæÖÐÒ»°ãÓÐÁ½Àà×¢ÊÍ
1.html×¢ÊÍ
ÐÎÈç<!--...................-->
Ëü»áͬhtml±ê¼Çһͬ·¢µ½¿Í»§¶Ë
2.jsp×¢ÊÍ£¨3ÖÖ£©
ÐÎÈç<%--.............................--%>
Ëü²»»á±»·¢Ë͵½¿Í»§¶Ë£¬Ö»ÓÃÀ´×¢ÊÍ·þÎñÆ÷¶ËµÄjspÎļþ£¬Á¬jspÉú³ÉµÄservletҲûÓÐ×¢ÊͽøÈ¥£¬ÕâÒ²ÊǴ󲿷ÖÈËʹÓõÄ×¢ÊÍ
ÐÎÈç<%//...... ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ