javaÖÐ120¸ö¾µäÎÊÌâ3
61¡¢servletµÄÉúÃüÖÜÆÚ
webÈÝÆ÷¼ÓÔØservlet£¬ÉúÃüÖÜÆÚ¿ªÊ¼¡£Í¨¹ýµ÷ÓÃservletµÄinit()·½·¨½øÐÐservletµÄ³õʼ»¯¡£Í¨¹ýµ÷ÓÃservice()·½·¨ÊµÏÖ£¬¸ù¾ÝÇëÇóµÄ²»Í¬µ÷Óò»Í¬µÄdo***()·½·¨¡£½áÊø·þÎñ£¬webÈÝÆ÷µ÷ÓÃservletµÄdestroy()·½·¨¡£
62¡¢ÈçºÎÏÖʵservletµÄµ¥Ïß³Ìģʽ
<%@ page isThreadSafe="false"%>
63¡¢Ò³Ãæ¼ä¶ÔÏ󴫵ݵķ½·¨
request£¬session£¬application£¬cookieµÈ
64¡¢JSPºÍServletÓÐÄÄЩÏàͬµãºÍ²»Í¬µã£¬ËûÃÇÖ®¼äµÄÁªÏµÊÇʲô£¿
JSPÊÇServlet¼¼ÊõµÄÀ©Õ¹£¬±¾ÖÊÉÏÊÇServletµÄ¼òÒ×·½Ê½£¬¸üÇ¿µ÷Ó¦ÓõÄÍâ±í±í´ï¡£JSP±àÒëºóÊÇ"Ààservlet"¡£ServletºÍJSP×îÖ÷ÒªµÄ²»Í¬µãÔÚÓÚ£¬ServletµÄÓ¦ÓÃÂß¼ÊÇÔÚJavaÎļþÖУ¬²¢ÇÒÍêÈ«´Ó±íʾ²ãÖеÄHTMLÀï·ÖÀ뿪À´¡£¶øJSPµÄÇé¿öÊÇJavaºÍHTML¿ÉÒÔ×éºÏ³ÉÒ»¸öÀ©Õ¹ÃûΪ.jspµÄÎļþ¡£JSP²àÖØÓÚÊÓͼ£¬ServletÖ÷ÒªÓÃÓÚ¿ØÖÆÂß¼¡£
65¡¢ËÄÖֻỰ¸ú×Ù¼¼Êõ
»á»°×÷ÓÃÓòServletsJSPÒ³ÃæÃèÊö
page·ñÊÇ´ú±íÓëÒ»¸öÒ³ÃæÏà¹ØµÄ¶ÔÏóºÍÊôÐÔ¡£Ò»¸öÒ³ÃæÓÉÒ»¸ö±àÒëºÃµÄ Java servlet Àࣨ¿ÉÒÔ´øÓÐÈÎºÎµÄ include Ö¸Áµ«ÊÇûÓÐ include ¶¯×÷£©±íʾ¡£Õâ¼È°üÀ¨ servlet ÓÖ°üÀ¨±»±àÒë³É servlet µÄ JSP Ò³ÃærequestÊÇÊÇ´ú±íÓë Web ¿Í»§»ú·¢³öµÄÒ»¸öÇëÇóÏà¹ØµÄ¶ÔÏóºÍÊôÐÔ¡£Ò»¸öÇëÇó¿ÉÄÜ¿çÔ½¶à¸öÒ³Ãæ£¬Éæ¼°¶à¸ö Web ×é¼þ£¨ÓÉÓÚ forward Ö¸ÁîºÍ include ¶¯×÷µÄ¹ØÏµ£©
sessionÊÇÊÇ´ú±íÓëÓÃÓÚij¸ö Web ¿Í»§»úµÄÒ»¸öÓû§ÌåÑéÏà¹ØµÄ¶ÔÏóºÍÊôÐÔ¡£Ò»¸ö Web »á»°¿ÉÒÔÒ²¾³£»á¿çÔ½¶à¸ö¿Í»§»úÇëÇóapplicationÊÇÊÇ´ú±íÓëÕû¸ö Web Ó¦ÓóÌÐòÏà¹ØµÄ¶ÔÏóºÍÊôÐÔ¡£ÕâʵÖÊÉÏÊÇ¿çÔ½Õû¸ö Web Ó¦ÓóÌÐò£¬°üÀ¨¶à¸öÒ³Ãæ¡¢ÇëÇóºÍ»á»°µÄÒ»¸öÈ«¾Ö×÷ÓÃÓò
66¡¢Request¶ÔÏóµÄÖ÷Òª·½·¨£º
setAttribute(String name,Object)£ºÉèÖÃÃû×ÖΪnameµÄrequestµÄ²ÎÊýÖµ
getAttribute(String name)£º·µ»ØÓÉnameÖ¸¶¨µÄÊôÐÔÖµ
getAttributeNames()£º·µ»Ørequest¶ÔÏóËùÓÐÊôÐÔµÄÃû×Ö¼¯ºÏ£¬½á¹ûÊÇÒ»¸öö¾ÙµÄʵÀýgetCookies()£º·µ»Ø¿Í»§¶ËµÄËùÓÐCookie¶ÔÏ󣬽á¹ûÊÇÒ»¸öCookieÊý×é
getCharacterEncoding()£º·µ»ØÇëÇóÖеÄ×Ö·û±àÂ뷽ʽ
&
Ïà¹ØÎĵµ£º
create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ
......
µÚÒ»´Î³¢ÊÔдѧϰ±Ê¼Ç£¬ÒòΪ¾õµÃÒÔǰѧ¹ýµÄ¶«Î÷³¤Ê±¼ä²»ÓþͶ¼ÍüÁË¡£Ò²²»ÖªµÀÕâÑù×öÖµ²»ÖµµÃ£¬ÒòΪ±Ï¾¹Ð´Ñ§Ï°±Ê¼Ç»á»¨·ÑÒ»¶¨µÄʱ¼ä£¬¶ÔÓÚÒ»¸öÈí¼þ¹¤³ÌרҵµÄ´óÈýѧÉúÀ´Ëµ£¬¿Î³Ì·±ÖØÊÇÖÚËùÖÜÖªµÄ¡£¶øÇÒÎÒµÄÎıÊÓÖ²»ºÃ£¬Ê±³£Ð´×ÅдמͲ»ÖªµÀ¸ÃÕâôдÁË£¬ÊôÓÚÄÇÖÖÐÄÖª¶ÇÃ÷¾ÍÊÇ˵²»³öÀ´µÄÀàÐÍ¡£²»¹ý£ ......
String posttime=new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:sss").format( java.util.Calendar.getInstance().getTime() );
1. Java¼ÆËãʱ¼äÒÀ¿¿1970Äê1ÔÂ1ÈÕ¿ªÊ¼µÄºÁÃëÊý.   ......
Compiling with the Java Compiler API
µ÷ÓÃJava±àÒëÆ÷API±àÒëJava
´ÓµÚÒ»Ì쿪ʼ,±ê×¼Javaƽ̨¾ÍȱÉÙÄܹ»±»µ÷ÓÃ,È¥²úÉúJava×Ö½ÚÂëµÄ±àÒëÆ÷½Ó¿Ú. ʹÓÃSunʵÏֵį½Ì¨,Ò»¸öÓû§¿ÉÒÔͨ¹ý·Ç±ê×¼µÄ com.sun.tools.javac °üÖеÄMain class È¥±àÒëÄãµÄ´úÂë (Äã¿ÉÒÔÔÚlib×ÓĿ¼Ï嵀 tools.jar ÎļþÀïÕÒµ½Ëü). È»¶øÕâ¸ö° ......
ÓÉÓÚÓÐÒ»¶¨µÄJavaºÍJUnitµÄ»ù´¡£¬ËùÒԸоõµÚÒ»¿Î±È½Ï¼òµ¥£¬µ«ÊÕ»ñ»¹ÊÇÓе쬱ÈÈçËµÖØ¹¹²¿·Ö½éÉܵÄÄÚÈÝ¡£
JUnitÒªµã£º
²âÊÔ·½·¨µÄÃüÃû¹æÔò£º
l ·½·¨±ØÐëÉùÃ÷Ϊpublic
l ·½·¨µÄ·µ»ØÖµ±ØÐëΪvoid
l ·½·¨µÄÃû×Ö±ØÐëÒÔСдµÄtestΪǰ׺
l ·½·¨²»ÄܽÓÊÜÈκβÎÊý
ÖØ¹¹Òªµã£º
1. &nbs ......