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

ÈçºÎÔÚJavaÖлñÈ¡µ±Ç°´úÂëÐÐÐкÅ

ΪÁËʵÏÖ×Ô¶¨ÒåµÄlogÀ࣬Äܹ»Êä³ö¾ßÌåµÄ´úÂëÐÐÐкţ¬Í¨¹ýʹÓÃStackTraceElement¶ÔÏóʵÏÖÁË¡£
ÕâÀïÖ¸³öÐèҪעÒâµÄ¼¸¸öÎÊÌ⣺
1. ³ÌÐòÖзµ»ØµÄ´úÂëÐÐÐкţ¬ÊÇн¨StackTrackElement¶ÔÏóµÄÄÇÒ»ÐС£
2. ¿ÉÒÔͨ¹ý´«²ÎµÄ·½·¨ÊµÏÖÊä³öÌØ¶¨ÐÐÐкš£¾ßÌåʵÏÖ¼û´úÂë¡£
1/**
 2 *
 3 */
 4package leo.demo.training;
 5
 6/**
 7 * Get current java file name and current code line number
 8 * @author Leo Xie
 9 */
10public class CurrentLine {
11    /** *//** http://www.mscto.com
12     * @param args
13     */
14    public static void main(String[] args) {
15        StackTraceElement ste1 = null;
16       
17        // get current thread and its related stack trace
18        StackTraceElement[] steArray = Thread.currentThread().getStackTrace();
19        int steArrayLength = steArray.length;
20
21        String s = null;
22       
23        // output all related info of the existing stack traces
24        if(steArrayLength==0) {
Èí¼þ¿ª·¢Íø
25            System.err.println("No Stack Trace.");
26        } else {
27            for (int i=0; i<steArrayLength; i++) {
28                System.out.println("Stack Trace-" + i);
29                ste1 = steArray[i];
30              &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 ......

java ÏÂÔØÎļþ·½·¨´óÈ«


jspÖÐʵÏÖÎļþÏÂÔØµÄ×î¼òµ¥µÄ·½Ê½ÊÇÔÚÍøÒ³ÉÏ×ö³¬¼¶Á´½Ó£¬È磺<a href="music/abc.mp3">µã»÷ÏÂÔØ</a>¡£µ«ÊÇÕâÑù·þÎñÆ÷ÉϵÄĿ¼×ÊÔ´»áÖ±½Ó±©Â¶¸ø×îÖÕÓû§£¬»á¸øÍøÕ¾´øÀ´Ò»Ð©²» °²È«µÄÒòËØ¡£Òò´Ë¿ÉÒÔ²ÉÓÃÆäËü·½Ê½ÊµÏÖÏÂÔØ£¬¿ÉÒÔ²ÉÓãº1¡¢RequestDispatcherµÄ·½Ê½½øÐУ»2¡¢²ÉÓÃÎļþÁ÷Êä³öµÄ·½Ê½ÏÂÔØ¡£
1¡¢²ÉÓÃRe ......

JAVAÖжÁÈ¡XMLÎļþÖеÄÅäÖÃÐÅÏ¢

  ÔÚ½øÐÐMISϵͳ¿ª·¢¹ý³ÌÖÐ,´ÓÅäÖÃÎļþÖжÁÈ¡ÅäÖÃÐÅÏ¢ÊÇÿһ¸öϵͳ±ØÐë¾ß±¸µÄ¹¦ÄÜ,ÀýÈç,ÎÒÃÇÒªÅäÖöÁÈ¡Êý¾Ý¿âÅäÖÃÐÅÏ¢,°üÀ¨Çý¶¯³ÌÐòÃû¡¢Á¬½Ó×Ö·û´®£¬Óû§Ãû£¬¿ÚÁîµÈÐÅÏ¢£¬ÓÉÓÚÕâЩÐÅÏ¢»áËæ×ÅÓû§µÄ²»Í¬¶ø·¢Éú¸Ä±ä£¬ËùÒÔ²»ÄÜÖ±½Ó°Ñ²ÎÊýдÔÚ³ÌÐòÖУ¬½«ÆäдÈëÅäÖÃÎļþ£¬È»ºóÔÚÓ¦ÓóÌÐòÖжÁÈ¡ÅäÖÃÐÅÏ¢²¢¼ÓÒÔʹÓã¬ÊÇÒ»¸ö³É ......

Java/JSPÁ¬½ÓPostgreÊý¾Ý¿â³£¼ûÎÊÌâ½â´ð

Ò»¡¢
ÎÊ£ºorg.postgresql.util.PSQLException: FATAL: no pg_hba.conf entry for host "192.168.254.103", user "postgres",database "postgres", SSL off
´ð£ºPostgreSQÊý¾Ý¿âΪÁ˰²È«£¬Ëü²»»á¼àÌý³ý±¾µØÒÔÍâµÄËùÓÐÁ¬½ÓÇëÇ󣬵±Óû§Í¨¹ýJDBC·ÃÎÊÊÇ£¬¾Í»á±¨Ò»Ð©ÒÔÉϵÄÒì³£¡£Òª½â¾öÕâ¸öÎÊÌâ ......

´«ÖDz¥¿ÍjavaÅàѵ OA×îºóÒ»Ìì2010.5.28


   
ÓÐÊÂÇ飬ÓÐЩÊÂÇéÊÇÁ¦²»´ÓÐÄ£¡À´±±¾©ÒѾ­Á½¸ö¶àÔ¹ýÈ¥ÁË£¬×Ô¼ºÀë¿ªÖØÇ죬À뿪¿ªËýÁ½¸öÔÂÁË£¬À´Õâ¶ùµÄËùÓзÑÓö¼ÊÇËý¾­Êֵģ¬ËýµÄ¸¸Ä¸²»ÖªµÀ£¬Îҵĸ¸Ä¸Ò²²»
ÖªµÀÎÒÏÖÔÚûÓÐÉϰ࣬¸ü²»ÓÃ˵ÎÒ²»ÔÚÉϰàÁË£¡Ã¿½»´òµç»°£¬¶¼¸ø¼ÒÀïÃæµÄÈËÈö»Ñ£¬ÐÄÀïÕæµÄÓÐʱºòÓÐÒ»Öֿ޵ijåµÄ¸Ð¾õ£¬ÐÄÀïÎØÆü£¬È´Ö»ÄÜÊǶÌÔݵ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ