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

tomcatÁ¬½Ó³ØµÄÅäÖà Java¿ª·¢¼°±à³Ì˼Ïë


<Resource name="jdbc/testDB" auth="Container"
type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/testDB">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>com.microsoft.jdbc.sqlserver.SQLServerDriver</value>
</parameter>
<parameter>
<name>url</name>
<value>jdbc:microsoft:sqlserver://218.246.85.65:1433;DatabaseName=ZCMIS</v
alue>
</parameter>
<parameter>
<name>username</name>
<value>sa</value>
</parameter>
<parameter>
<name>password</name>
<value>sa</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>30</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>10</value>
</parameter>
<parameter>
<name>maxWait</name>
<value>1000</value>
</parameter>
</ResourceParams>
°ÑÏÂÃæµÄ¶«Î÷¼Óµ½web.xmlÖÐ
<resource-ref>
<description>DB Connection</description>
<res-ref-name>jdbc/testDB</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
ÀàµÄÄÚ²¿ÊµÏÖ
try{
Context initCtx = new InitialContext();
Context ctx = (Context) initCtx.lookup("java:comp/env");
//»ñÈ¡Á¬½Ó³Ø¶ÔÏó
Object obj = (Object) ctx.lookup("jdbc/testDB");
javax.sql.DataSource ds = (javax.sql.DataSource)obj;
Connection conn = ds.getConnection();
}
catch(Exception e)
{
System.out.print(e.toString());
}


Ïà¹ØÎĵµ£º

JAVAѧϰ˳Ðò

Java·¢Õ¹µ½ÏÖÔÚ£¬°´Ó¦ÓÃÀ´·ÖÖ÷Òª·ÖΪÈý´ó¿é£ºJ2SE,J2MEºÍJ2EE¡£ÕâÈý¿éÏ໥²¹³ä£¬Ó¦Ó÷¶Î§²»Í¬¡£
J2SE¾ÍÊÇJava2µÄ±ê×¼°æ£¬Ö÷ÒªÓÃÓÚ×ÀÃæÓ¦ÓÃÈí¼þµÄ±à³Ì£»
J2MEÖ÷ÒªÓ¦ÓÃÓÚǶÈëÊÇϵͳ¿ª·¢£¬ÈçÊÖ»úºÍPDAµÄ±à³Ì£»
J2EEÊÇJava2µÄÆóÒµ°æ£¬Ö÷ÒªÓÃÓÚ·Ö²¼Ê½µÄÍøÂç³ÌÐòµÄ¿ª·¢£¬Èçµç×ÓÉÌÎñÍøÕ¾ºÍERPϵͳ¡£
ÏÈѧϰj2se
Ҫѧϰj2ee¾ÍÒ ......

ÈçºÎÔÚDosϱàÒëºÍÔËÐÐJava³ÌÐò£¿


ÈçºÎÔÚDosϱàÒëºÍÔËÐÐJava³ÌÐò£¿
2009-03-27 01:37
   ½ñÌìÕýʽµÄ½Ó´¥µ½Java³ÌÐò£¬Ñ§»áÁËÈçºÎÔÚDosϱàÒëºÍÔËÐÐJava³ÌÐò£¬ºÜÊÇÐÀµ«ÔÚѧϰ¹ý³ÌÖÐÓöµ½ÁËһЩÎÊÌ⣬¾­¹ýºÍÍŶӳÉÔ±µÄ¹²Í¬Å¬Á¦ÖÕÓÚ½â¾öÁËÎÊÌ⣬ÔÚÕâÀïÎÒ̸̸½ñÌìѧϰµÄ¹ý³Ì£º
    µÚÒ»£ºÊ×ÏȰ²×°JDK¡£
  &nbs ......

JavaѧϰµÄ30¸öÄ¿±ê¼°Æä½×¶Î·ÖÀà

       1.ÄãÐèÒª¾«Í¨ÃæÏò¶ÔÏó·ÖÎöÓëÉè¼Æ(OOA/OOD)¡¢É漰ģʽ(GOF£¬J2EEDP)ÒÔ¼°×ÛºÏģʽ¡£ÄãÓ¦¸ÃÊ®·ÖÁ˽âUML£¬ÓÈÆäÊÇclass£¬object£¬interactionÒÔ¼°statediagrams¡£
¡¡¡¡2.ÄãÐèҪѧϰJAVAÓïÑԵĻù´¡ÖªÊ¶ÒÔ¼°ËüµÄºËÐÄÀà¿â(collections£¬serialization£¬streams£¬networking£¬ multithreading ......

Java³õѧÕß¶¼Ó¦¸Ã¸ã¶®µÄÁù¸öÎÊÌâ

¶ÔÓÚÕâ¸öϵÁÐÀïµÄÎÊÌ⣬ÿ¸öѧJavaµÄÈ˶¼Ó¦¸Ã¸ã¶®¡£µ±È»£¬Èç¹ûÖ»ÊÇѧJavaÍæÍæ¾ÍÎÞËùνÁË¡£Èç¹ûÄãÈÏΪ×Ô¼ºÒѾ­³¬Ô½³õѧÕßÁË£¬È´²»ºÜ¶®ÕâЩÎÊÌ⣬Ç뽫Äã×Ô¼ºÖعé³õѧÕßÐÐÁС£ÄÚÈݾùÀ´×ÔÓÚCSDNµÄ¾­µäÀÏÌù¡£
ÎÊÌâÒ»£ºÎÒÉùÃ÷ÁËʲô£¡
String s = "Hello world!";
¡¡Ðí¶àÈ˶¼×ö¹ýÕâÑùµÄÊÂÇ飬µ«ÊÇ£¬ÎÒÃǵ½µ×ÉùÃ÷ÁËʲô£¿»Ø´ðͨ ......

Å̵ã2009£ºJava´óʼÇ

±àÕß°´£º¶ÔJavaÉçÇøÀ´Ëµ,2009ÄêÊÇÒ»¸ö¶àÊÂÖ®Ä꣺OracleµÄÊÕ¹º´øÀ´Ï£Íûµ«¸ü¶àµÄÊǵ£ÓÇ£»¶ÔJava7µÄ½¹¼±µÈ´ý£»¶ÔÊÇ·ñÐèÒª±Õ°üµÄ³Ö
ÐøÕùÒ飻ÆäËûÊÕ¹º¶Ô¿ªÔ´ÉçÇøµÄÓ°Ïì±¾ÎÄÔ­×÷ÕßJames SugrueÁªºÏJavaÉçÇøµÄÆäËûÈýλºËÐÄ¿ª·¢Õß¶Ô2009ÄêµÄJava½øÐÐÁËÅ̵㡣
James SugrueÊÇJavaLobbyºÍEclipseZoneµÄ±à¼­£¬Ò»Î»Eclipse¿ª·¢Õߣ¬Jav ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ