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

´«ÖDz¥¿ÍJAVAÅàѵstruts2ѧϰ±Ê¼ÇÒ»

´«ÖDz¥¿ÍJAVAÅàѵstruts2ѧϰ±Ê¼ÇÒ»
   
Àë±ÏÒµÓÖ×ß½üÁËÒ»²½£¬ÐÄÀïÓÖĪÃûµÄ½ôÕÅÆðÀ´¡£½ñÌìÓÐÒ»¸öͬÐĹ«Ë¾·Å¼ÙÐÇÆÚѧУÀ´ÉϿΣ¬ÎÒ¶ÔÆä³ýÁËÅå·þÖ®Í⣬¾ÍÖ»ÓÐÏÛĽÁË£¬¹¤×Ê6.5£Ë¿É²»ÊÇÎÒÏÖÔÚµÄˮƽ
¸ÒÏëµÄºÇ£¬ËäÈ»ÎÒ¶Ô£³£Ç²»ÊǺܸÐÐËȤ£¬ÎÒÒ²¸üÏàÐŽÅ̤ʵµÄÈ¥×ߺÃÿһ²½À´µÃ̤ʵ£¡µ«ÊÇÕ⼸¸öͬѧËùÈ¡µÃ³É¼¨È´ÊÇÎÒÃÇÈ«°àͬѧ²»µÃ²»Åå·þµÄ£¬Í¬Ê±£¬ÎÒÃǵÄѹ
Á¦Ò²ÊǸоõµ½·Ç³£´óµÄ£¬ÒòΪËûÏÖÔڵŤ×ÊÒÔ¼°ËûÃÇÔÚÄÇô¶ÌµÄʱ¼ä¾ÍÈ¡µÃÁËÕâôºÃµÄ³É¼¨£¬¶ÔÎÒÃÇ´øÀ´µÄѹÁ¦Ò²ÊÇͦ´óµÄºÇ£¡µ«ÊÇ£¬ÎÒ²»»áÔÚÕâÆäÖоͰÑ×Ô¼ºµÄÄ¿
±ê¶¨µÄ·Ç³£µÄ¸ß£¬ÒòΪÎҵÿ´Çå×Ô¼ºµÄʵÁ¦°É£¬²»ÊÇÎÒ¿´µÍÎÒ×Ô¼º£¬ÎÒÊÇ¿´µÃÇå×Ô¼º£¡µ«Ô¸ËùÓеÄÒ»Çз¢Õ¹¶¼ÏñһλÕÜÈ˽²¹ýµÄ»°£¬´ó¸ÅÒâ˼ÊÇÕâÑù£ºÖ»ÒªÄãÏàÐÅ×Ô
¼ºµÄδÀ´ÊÇÃÀºÃµÄ£¬Ö»ÒªÄãһֱŬÁ¦µÄ·Ü¶·ºÍÆ´²«£¬ËùÓеÄÒ»ÇоͻáºÃµÄ¡£ÔÛÃǾ͓Æï¿¿´³ª±¾£¬×ß×ÅÇÆ£¡”¡£
¡¡¡¡Í¨¹ý½ñÌìÒ»ÌìµÄѧϰ,¶ÔSTRUTS2Ò²ÓÐÁËÒ»¶¨µÄÁ˽â,struts2ÓëstrutsÏà¶Ô֮ϣ¬ÎÒÏÖÔÚ¶ÔstrutsËäȻ˵²»ÊÇÉϾ«Í¨£¬µ«ÔÚÈý´ó
ssh¿ò¼ÜÖÐÕÆÎÕ×îÊìÁ·µÄ¾ÍÊÇstruts£¬ËäȻѧϰÁ˸ÃÊÇ¿ò¼ÜÖ®ºó¶ÔÏÖÔÚѧϰstruts2ÓкܴóµÄ°ïÖú£¬±ãÊÇÎÒÃ÷È·µÄ¸Ð¾õµ½ÁËÁ½ÕßÖ®ÕßÊǸ÷×Ô²»Í¬µÄ¶«
¶«¡£²¢ÇÒËûÃÇÖ®¼äµÄ²îÒìÊǷdz£´óµÄ¡£
   
1.ÓÉÓÚwebÓ¦ÓÃÊÇ»ùÓÚÇëÇóµÄÏìÓ¦¿ò¼ÜÓ¦Óã¬ËùÒÔ£¬²»¹ÜÊÇʲôMVCµÄweb¿ò¼Ü¡£¶¼ÐèÒªÔÚweb.xmlÖÐÅäÖøÿò¼ÜµÄºËÐÄServlet»òÕßÊÇ
Action¡£struts2Ò²²»ÀýÍâ¡£
    2.struts2Ö®¼ä²ÊFilterDispathcer×÷¿âºËÐÄ¿ØÖÆÆ÷¡£×î½üµÄ°æ±¾²ÉÓÃ:
 StrutsPrepareAndExecuteFilter
 3struts2Ïà±ÈstrutsµÄÓŵ㣺
   
4.´î½¨struts2¿ª·¢»·¾³£º
 
×¢Òâ:
 
5.ActionµÄѧϰ£º
  a.ÅäÖÃ
<package name="itcast" namespace="/itcast"
extends="struts-default">
<action name="helloworld" class="cn.itcast.struts2.action.HelloWorld"
method="sayHello" >
<result name="success">/WEB-INF/pages/index.jsp</result>
</action>
</package>
5.²»Ö¸¶¨ÃüÃû¿Õ¼äʹÓÃĬÈϵÄÃüÃû¿Õ¼ä¡£Èç¹ûÒ»¸öactionÔÚÁíÍâÒ»¸ö°üÖУ¬Ã»ÓÐÕÒµ½£¬¾Í»áÔÚĬÈϵÄÃüÃû¿Õ¼äÖÐÈ¥ÕÒ¡£
 
6.ActionÅäÖÃÖи÷ÏîĬÈÏÖµ£º
 
7.struts2 ÊÓͼµÄѧϰ
²»Í¬°ü֮ϵÄÖØ¶¨Ïò£º
&nbs


Ïà¹ØÎĵµ£º

JavaÖм¯ºÏÈÝÆ÷ÀàListºÍSetµÄÓ÷¨

ListµÄÓ÷¨
List°üÀ¨List½Ó¿ÚÒÔ¼°List½Ó¿ÚµÄËùÓÐʵÏÖÀà¡£ÒòΪList½Ó¿ÚʵÏÖÁËCollection½Ó¿Ú£¬ËùÒÔList½Ó¿ÚÓµÓÐCollection½Ó¿ÚÌṩµÄËùÓг£Ó÷½·¨£¬ÓÖÒòΪListÊÇÁбíÀàÐÍ£¬ËùÒÔList½Ó¿Ú»¹ÌṩÁËһЩÊʺÏÓÚ×ÔÉíµÄ³£Ó÷½·¨£¬Èç±í1Ëùʾ¡£
±í1  List½Ó¿Ú¶¨ÒåµÄ³£Ó÷½·¨¼°¹¦ÄÜ
´Ó±í1¿ÉÒÔ¿´³ö£¬List½Ó¿ÚÌṩµÄÊʺÏÓÚ×ÔÉíµÄ ......

JavaÖеÄö¾ÙÀàÐÍ£¬enum

public class MyEnumTestMain {
public enum MyenumTest{red,blue,green,black}//¶¨Òåö¾ÙÀàÐÍ

public static void main(String[] args) {
MyenumTest mt = MyenumTest.red;//redÏ൱ÓÚö¾ÙµÄ¾²Ì¬ÊôÐÔ

switch(mt){
case red:
System.out.println("red");
break;
case blue:
......

java JDBC ResultSetÏê½â(javaÊý¾Ý¿â²Ù×÷)

ÕâÆªÎÄÕ²¢Ã»Óиø³öÈçºÎʹÓÃResultSetµÄ¾ßÌåÀý×Ó£¬Ö»ÊÇ´ÓResultSetµÄ¹¦ÄÜÐÔÉϽøÐÐÁËÏêϸµÄ½²Êö¡£Ï£ÍûÕâÆªÎÄÕ¶Դó¼ÒÀí½âResultSetÄܹ»ÓÐËù°ïÖú¡£ÏÂÃæ¾ÍÊÇÕâÆªÎÄÕµľßÌåÄÚÈÝ¡£
½á¹û¼¯(ResultSet)ÊÇÊý¾ÝÖвéѯ½á¹û·µ»ØµÄÒ»ÖÖ¶ÔÏ󣬿ÉÒÔ˵½á¹û¼¯ÊÇÒ»¸ö´æ´¢²éѯ½á¹ûµÄ¶ÔÏ󣬵«Êǽá¹û¼¯²¢²»½ö½ö¾ßÓд洢µÄ¹¦ÄÜ£¬Ëûͬʱ»¹¾ßÓв ......

java PatternʹÓÃ

    public static boolean isCheckN(String pInput) {
        String regEx = "^[0-9]+$";
        Pattern p = Pattern.compile(regEx);
        Matcher m = p.matcher(pInput);
  ......

java ×Ô¼º×öµÄ¶ÔXMLÎļþµÄ¶Áд²Ù×÷

XMLÎļþʵÀý£º
<?xml version="1.0" encoding="utf-8" standalone="no"?>
<Context>
<WatchedResource>WEB-INF/web.xml</WatchedResource>
<Resource auth="Container" maxActive="20" name="sss" password="123"
type="javax.sql.DataSource" />
<Resource auth="Container" ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ