JavaÖÐJNDIµÄÅäÖÃ
·½°¸Ò»²½Ö裺
1¡¢ÅäÖÃTomcat\conf\context.xmlÌí¼Ó <Resource>
<Resource name="jdbc/books" auth="Container"
type="javax.sql.DataSource" maxActive="100" maxIdle="30"
maxWait="10000" username="sa" password=""
driverClassName="com.microsoft.jdbc.sqlserver.SQLServerDriver"
url="jdbc:sqlserver://localhost:1433;DatabaseName=books" />
name Ö¸¶¨ResourceµÄJNDIÃû³Æ
auth Ö¸¶¨¹ÜÀíResourceµÄManager£¨Container:ÓÉÈÝÆ÷´´½¨ºÍ¹ÜÀí|Application£ºÓÉWebÓ¦Óô´½¨ºÍ¹ÜÀí£©
type Ö¸¶¨ResourceËùÊôµÄJavaÀà
maxActive Ö¸¶¨Á¬½Ó³ØÖд¦Óڻ״̬µÄÊý¾Ý¿âÁ¬½ÓµÄ×î´óÊýÄ¿
maxIdle Ö¸¶¨Á¬½Ó³ØÖд¦ÓÚ¿ÕÏÐ״̬µÄÊý¾Ý¿âÁ¬½ÓµÄ×î´óÊýÄ¿
maxWait Ö¸¶¨Á¬½Ó³ØÖеÄÁ¬½Ó´¦ÓÚ¿ÕÏеÄ×ʱ¼ä£¬³¬¹ýÕâ¸öʱ¼ä»áÅ׳öÒì³££¬È¡ÖµÎª-1£¬±íʾ¿ÉÒÔÎÞÏÞÆڵȴý
2¡¢¿½±´ÏàÓ¦µÄjar°üµ½Tomcat\common\libÖÐ
/server/libĿ¼ÏµÄjarÎļþÖ»Äܱ»Tomcat·þÎñÆ÷·ÃÎÊ
/shared/libĿ¼ÏµÄjarÎļþ¿ÉÒÔ±»ËùÓеÄwebÓ¦ÓóÌÐò·ÃÎÊ£¬µ«²»Äܱ»Tomcat·þÎñÆ÷·ÃÎÊ
/common/libĿ¼ÏµÄjarÎļþ¿ÉÒÔ±»Tomcat·þÎñÆ÷ºÍËùÓеÄwebÓ¦ÓóÌÐò·ÃÎÊ¡£
3¡¢ÅäÖÃwebÏîÄ¿ÖеÄweb.xmlÌí¼Ó <resourc-ref>
<resource-ref>
<res-ref-name>jdbc/books</res-ref-name> Ö¸¶¨JNDIµÄÃû×Ö£¬Óë<Resource>ÔªËØÖеÄnameÒ»ÖÂ
<res-type>javax.sql.DataSource</res-type> Ö¸¶¨ÒýÓÃ×ÊÔ´µÄÀàÃû£¬Óë<Resource>ÔªËØÖеÄtypeÒ»ÖÂ
<res-auth>Container</res-auth> Ö¸¶¨¹ÜÀíËùÒýÓÃ×ÊÔ´µÄManagerÓë<Resource>ÔªËØÖеÄauthÒ»ÖÂ
</resource-ref>
4¡¢java´úÂë
import javax.sql.DataSource;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
//»ñÈ¡Co
Ïà¹ØÎĵµ£º
LuceneÊÇÒ»¸ö»ùÓÚJavaµÄÈ«ÎÄË÷Òý¹¤¾ß°ü¡£
»ùÓÚJavaµÄÈ«ÎÄË÷ÒýÒýÇæLucene¼ò½é£º¹ØÓÚ×÷ÕߺÍLuceneµÄÀúÊ·
È«ÎļìË÷µÄʵÏÖ£ºLueneÈ«ÎÄË÷ÒýºÍÊý¾Ý¿âË÷ÒýµÄ±È½Ï
ÖÐÎÄÇзִʻúÖƼò½é£º»ùÓÚ´Ê¿âºÍ×Ô¶¯ÇзִÊËã·¨µÄ±È½Ï
¾ßÌåµÄ°²×°ºÍʹÓüò½é£ºÏµÍ³½á¹¹½éÉܺÍÑÝʾ
Hacking Lucene£º¼ò»¯µÄ²éѯ·ÖÎöÆ÷£¬É¾³ýµÄʵÏÖ£¬¶¨ÖƵÄÅÅÐò£ ......
»¨ÁËÁ½Ììʱ¼ä£¬ÖÕÓÚ°ÑaccessÊý¾Ý¿âÀïµÄÊý¾Ý»»µ½OracleÁË¡£µ±È»ÕâÆäÖÐÒª¸ÐлͬѧºÍ²©ÓѵÄÈÈÐÄ°ïÖúÀ¡£ÏÖ½«½ñÌìµÄÊÕ»ñÕûÀíÏ¡£
ÎÒÓõÄÊÇOracle 10 express edition°æ±¾£¬Õâ¸ö°æ±¾½¨Êý¾Ý¿âͦÂé·³µÄ£¬ËùÒÔÎÒ¾ÍÖ±½ÓÔÚËü×Ô´øµÄÊý¾Ý¿âXEϽ¨±íÁË¡£
×¢Ò⣺½¨±í¿ÉÒ»¶¨Òª ......
ÏßÐÔ±í£¬Á´±í£¬¹þÏ£±íÊdz£ÓõÄÊý¾Ý½á¹¹£¬ÔÚ½øÐÐJava¿ª·¢Ê±£¬JDKÒѾΪÎÒÃÇÌṩÁËһϵÁÐÏàÓ¦µÄÀàÀ´ÊµÏÖ»ù±¾µÄÊý¾Ý½á¹¹¡£ÕâЩÀà¾ùÔÚjava.util°üÖС£±¾ÎÄÊÔͼͨ¹ý¼òµ¥µÄÃèÊö£¬Ïò¶ÁÕß²ûÊö¸÷¸öÀàµÄ×÷ÓÃÒÔ¼°ÈçºÎÕýȷʹÓÃÕâЩÀà¡£
<o:p></o:p>
Collection
©ÀList
©¦©ÀLinkedList
©¦©ÀArrayList
©¦©¸Vector ......
¸Õ¸ÕÔËÐÐjava HelloWorld.class£¬ÀÏÊÇ˵£º
Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorld/class
Caused by: java.lang.ClassNotFoundException: HelloWorld.class
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
  ......
l×é¼þ´Ó¹¦ÄÜÉÏ·Ö¿É·ÖΪ£º
1) ¶¥²ãÈÝÆ÷£ºJFrame,JApplet,JDialog,JWindow
2) ÖмäÈÝÆ÷£ºJPanel,JScrollPane,JSplitPane,JToolBar¡¡
3) ÌØÊâÈÝÆ÷£ºÔÚGUIÉÏÆðÌØÊâ×÷ÓõÄÖмä²ã£¬ÈçJInternalFrame,JLayeredPane,JRootPane.
1.JFrameµÄÓ÷¨
1) ÓÃgetContentPane( )·½·¨»ñµÃJFrameµÄ ......