JSP Òþʽ¶ÔÏó
·pageContext£ºÌṩ¶ÔÒ³ÃæÊôÐԵķÃÎÊ¡£
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
pageContext.setAttribute("basePath",basePath);
%>
ʹÓãº
${pageScope}
·request: ½ÓÊÜ¿Í»§¶ËµÄjspÒ³ÃæÇëÇó¡£
·param: ·µ»ØÇëÇó²ÎÊýÃû³ÆÓ³ÉäÖÁµ¥¸ö×Ö·û´®ÖµµÄÖµ¡£ÀýÈ磺ÇëÇó²ÎÊýÃû³Æʱnull»ò¿Õ×Ö·û´®£¬${empty param.Name} ·µ»Ø true¡£
·paramValues: ·µ»ØÓ³Éäµ½¿Í»§¶ËµÄÇëÇó²ÎÊýµÄÒ»×éÖµ¡£
·pageScope: ·µ»ØÒ³Ã淶ΧµÄ±äÁ¿Ãû¡£
·requestScope: Ìṩ¶ÔÇëÇó¶ÔÏóµÄÊôÐԵķÃÎÊȨÏÞ¡£
·sessionScope: ·µ»Ø»á»°·¶Î§ÄڵıäÁ¿Ãû¡£
·applicationScope: ·µ»ØÓ¦Ó÷¶Î§ÄڵıäÁ¿Ãû¡£
Ïà¹ØÎĵµ£º
£±.×îÖ±½Ó×î¼òµ¥µÄ£¬·½Ê½ÊÇ°ÑÎļþµØÖ·Ö±½Ó·Åµ½htmlÒ³ÃæµÄÒ»¸öÁ´½ÓÖС£ÕâÑù×öµÄȱµãÊÇ°ÑÎļþÔÚ·þÎñÆ÷ÉϵÄ·¾¶±©Â¶ÁË£¬²¢ÇÒ»¹ÎÞ·¨¶ÔÎļþÏÂÔؽøÐÐÆäËüµÄ¿ØÖÆ£¨ÈçȨÏÞ£©¡£Õâ¸ö¾Í²»Ð´Ê¾ÀýÁË¡£
£².ÔÚ·þÎñÆ÷¶Ë°ÑÎļþת»»³ÉÊä³öÁ÷£¬Ð´Èëµ½response£¬ÒÔresponse°ÑÎļþ´øµ½ä¯ÀÀÆ÷£¬ÓÉä¯ÀÀÆ÷À´ÌáʾÓû§ÊÇ·ñÔ¸Òâ±£´æÎ ......
ѧϰJSPÖ÷ҪѧϰËûµÄ9´ó¶ÔÏó(request, response, pageContext, session, application, out, config, page, exception ),ÕâЩ¶ÔÏó¶¼ÊǾ²Ì¬¶ÔÏ󣬲»Óö¨Òå¾Í¿ÉÒÔÖ±½ÓʹÓ㬰ÑËûÃǶ¼Á˽âÇå³þ²¢»áÔËÓ㬾ͿÉÒÔÔÚ¼òÀúÉÏÌíÉÏÒ»¸öÊìϤ¼¼ÄÜ:JSP
JspÄÚÖöÔÏó ¹¦ÄÜ Ö÷Òª·½·¨
out Ïò¿Í»§¶ËÊä³öÊý¾Ý print() println() flush() ......
Jsp±àÂë¹æ·¶
1.1 Îļþºó׺(File Suffixes)
ÎļþÀà±ð ¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡Îļþºó׺
--------------------------------------
JavaÔ´Îļþ¡¡¡¡¡¡¡¡¡¡¡¡¡¡.java
Java×Ö½ÚÂëÎļþ¡¡¡¡¡¡¡¡¡¡.class
¶¯Ì¬Ò³Ãæ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡.jsp
¾²Ì¬Ò³Ãæ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡.html
½Å±¾Îļþ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡.js
1.2 ³£ÓÃÎļþÃû(Common ......
1.No getter method for property name problem(struts)
ÓÐÒ»ÖÖ¿ÉÄÜÊÇBeanûÓÐдÏàÓ¦µÄget·½·¨£¬ÀýÈç±äÁ¿userNameµÄget·½·¨ÊÇgetUserName£»
»¹ÓоÍÊÇÕâ¸öBeanΪ¿Õ£»
2.
MyEclipseµÄ×Ô¶¯Ìí¼ÓstrutsºÍhibernate¹¦Äܲ»ÄÜ·µ»Ø£¬Çë×¢Ò⣡
ËùÒÔÎÒÏÈʹÓÃMyEclipseµ¼ÈëstrutsºÍhibernate£¬È»ºó½«ËüÃǵÄjarµ¼Èëµ½ÁíÍâÒ»¸öн¨µÄ ......
Servlet£º
ÔÚServletÖУ¬ÌøתÔÚdoGet»òÕßdoPost·½·¨ÖÐʵÏÖ¡£
<1>redirectʵÏÖÒ³ÃæÌøת£º
response.sendRedirect("/login.jsp");
·½·¨µÄ²ÎÊýÊÇÏà¶Ô·¾¶£¬É趨Õâ¸ö²ÎÊý¿ÉÒÔʹҳÃæÌøתµ½ÈκÎÒ³Ã棬°üÀ¨www.baidu.comµÈÍøÂçÒ³Ãæ¡£
ÌøתºóÄã¿ÉÒÔ·¢ÏÖµØÖ·À¸·¢ÉúÁ˱仯¡£
µ×²ãÔÀí£ºÊ¹ÓÃredir ......