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 	<title><![CDATA[ASPÕ¾³¤-×îÐÂ×ÊÑ¶]]></title>
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  	  <title><![CDATA[ASP¡¢PHPÓëjavascript¸ù¾ÝÊ±¶ÎÇÐ»»CSSÆ¤·ôµÄ´úÂë]]></title>
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  	  <pubDate>2008-11-21</pubDate>
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<P><FONT size=2>¡¡¡¡ASP¡¢PHPÓëjavascript¸ù¾ÝÊ±¶ÎÇÐ»»CSSÆ¤·ôµÄ´úÂë</FONT></P>
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  	  <title><![CDATA[CSSÊµÕ½£º½â¾öÍ¼Æ¬ÏÂÃæÓÐ¿ÕÏ¶µÄ¼òµ¥µÄ·½·¨]]></title>
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  	  <author>admin</author>
  	  <category><![CDATA[ÍøÒ³Éè¼Æ]]></category>
  	  <pubDate>2008-11-21</pubDate>
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  	  <title><![CDATA[CSS»ù´¡½Ì³Ì ¹ØÓÚÍøÒ³Í¼Æ¬µÄÊôÐÔ]]></title>
  	  <link>html_news/</link>
  	  <author>admin</author>
  	  <category><![CDATA[ÍøÒ³Éè¼Æ]]></category>
  	  <pubDate>2008-11-21</pubDate>
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  	  <title><![CDATA[MySQL5µÄÒì³£´¦Àí]]></title>
  	  <link>html_news/</link>
  	  <author>admin</author>
  	  <category><![CDATA[MySQL]]></category>
  	  <pubDate>2008-11-21</pubDate>
  	  <description><![CDATA[<DIV id=clickeye_content>
<DIV class=article_c id=fontsize>
<P><FONT size=2>¡¡¡¡1. Sample Problem: Log Of Failures ÎÊÌâÑùÀý£º¹ÊÕÏ¼ÇÂ¼</FONT></P>
<P><FONT size=2>¡¡¡¡µ±INSERTÊ§°ÜÊ±£¬ÎÒÏ£ÍûÄÜ½«Æä¼ÇÂ¼ÔÚÈÕÖ¾ÎÄ¼þÖÐÎÒÃÇÓÃÀ´Õ¹Ê¾³ö´í´¦ÀíµÄÎÊÌâÑùÀýÊÇºÜÆÕÍ¨µÄ¡£ÎÒÏ£ÍûµÃµ½´íÎóµÄ¼ÇÂ¼¡£µ±INSERTÊ§°ÜÊ±£¬ÎÒÏëÔÚÁíÒ»¸öÎÄ¼þÖÐ¼ÇÏÂÕâÐ©´íÎóµÄÐÅÏ¢£¬ÀýÈç³ö´íÊ±¼ä£¬³ö´íÔ­ÒòµÈ¡£ÎÒ¶Ô²åÈëÌØ±ð¸ÐÐËÈ¤µÄÔ­ÒòÊÇËü½«Î¥·´Íâ¼ü¹ØÁªµÄÔ¼Êø</FONT></P>
<P><FONT size=2>¡¡¡¡2. Sample Problem: Log Of Failures (2)</FONT></P>
<P><FONT size=2>¡¡¡¡mysql&gt; CREATE TABLE t2</FONT></P>
<P><FONT size=2>¡¡¡¡1 INT, PRIMARY KEY (s1))</FONT></P>
<P><FONT size=2>¡¡¡¡engine=innodb;//</FONT></P>
<P><FONT size=2>¡¡¡¡mysql&gt; CREATE TABLE t3 (s1 INT, KEY (s1),</FONT></P>
<P><FONT size=2>¡¡¡¡FOREIGN KEY (s1) REFERENCES t2 (s1))</FONT></P>
<P><FONT size=2>¡¡¡¡engine=innodb;//</FONT></P>
<P><FONT size=2>¡¡¡¡mysql&gt; INSERT INTO t3 VALUES (5);//</FONT></P>
<P><FONT size=2>¡¡¡¡...</FONT></P>
<P><FONT size=2>¡¡¡¡ERROR 1216 (23000): Cannot add or update a child row: a foreign key</FONT></P>
<P><FONT size=2>¡¡¡¡constraint fails£¨ÕâÀïÏÔÊ¾µÄÊÇÏµÍ³µÄ³ö´íÐÅÏ¢£©</FONT></P>
<P><FONT size=2>¡¡¡¡ÎÒ¿ªÊ¼Òª´´½¨Ò»¸öÖ÷¼ü±í£¬ÒÔ¼°Ò»¸öÍâ¼ü±í¡£ÎÒÃÇÊ¹ÓÃµÄÊÇInnoDB£¬Òò´ËÍâ¼ü¹ØÁª¼ì²éÊÇ´ò¿ªµÄ¡£È»ºóµ±ÎÒÏòÍâ¼ü±íÖÐ²åÈë·ÇÖ÷¼ü±íÖÐµÄÖµÊ±£¬¶¯×÷½«»áÊ§°Ü¡£µ±È»ÕâÖÖÌõ¼þÏÂ¿ÉÒÔºÜ¿ìÕÒµ½´íÎóºÅ1216¡£</FONT></P>
<P><FONT size=2>¡¡¡¡3. Sample Problem: Log Of Failures</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE TABLE error_log (error_message</FONT></P>
<P><FONT size=2>¡¡¡¡CHAR(80))//</FONT></P>
<P><FONT size=2>¡¡¡¡ÏÂÒ»²½¾ÍÊÇ½¨Á¢Ò»¸öÔÚ×ö²åÈë¶¯×÷³ö´íÊ±´æ´¢´íÎóµÄ±í¡£</FONT></P>
<P><FONT size=2>¡¡¡¡4. Sample Problem: Log Of Errors</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE PROCEDURE p22 (parameter1 INT)</FONT></P>
<P><FONT size=2>¡¡¡¡BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE EXIT HANDLER FOR 1216</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO error_log VALUES</FONT></P>
<P><FONT size=2>¡¡¡¡(CONCAT('Time: ',current_date,</FONT></P>
<P><FONT size=2>¡¡¡¡'. Foreign Key Reference Failure For</FONT></P>
<P><FONT size=2>¡¡¡¡Value = ',parameter1));</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t3 VALUES (parameter1);</FONT></P>
<P><FONT color=#ff0000 size=2>{page}</FONT></P>
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<P><FONT size=2>¡¡¡¡END;//</FONT></P>
<P><FONT size=2>¡¡¡¡ÉÏÃæ¾ÍÊÇÎÒÃÇµÄ³ÌÐò¡£ÕâÀïµÄµÚÒ»¸öÓï¾äDECLARE EXIT HANDLERÊÇÓÃÀ´´¦ÀíÒì³£µÄ¡£ÒâË¼ÊÇÈç¹û´íÎó1215·¢ÉúÁË£¬Õâ¸ö³ÌÐò½«»áÔÚ´íÎó¼ÇÂ¼±íÖÐ²åÈëÒ»ÐÐ¡£EXITÒâË¼ÊÇµ±¶¯×÷³É¹¦Ìá½»ºóÍË³öÕâ¸ö¸´ºÏÓï¾ä¡£</FONT></P>
<P><FONT size=2>¡¡¡¡5. Sample Problem: Log Of Errors</FONT></P>
<P><FONT size=2>¡¡¡¡CALL p22 (5) //</FONT></P>
<P><FONT size=2>¡¡¡¡µ÷ÓÃÕâ¸ö´æ´¢¹ý³Ì»áÊ§°Ü£¬ÕâºÜÕý³££¬ÒòÎª5Öµ²¢Ã»ÓÐÔÚÖ÷¼ü±íÖÐ³öÏÖ¡£µ«ÊÇÃ»ÓÐ´íÎóÐÅÏ¢·µ»ØÒòÎª³ö´í´¦ÀíÒÑ¾­°üº¬ÔÚ¹ý³ÌÖÐÁË¡£t3±íÖÐÃ»ÓÐÔö¼ÓÈÎºÎ¶«Î÷£¬µ«ÊÇerror_log±íÖÐ¼ÇÂ¼ÏÂÁËÒ»Ð©ÐÅÏ¢£¬Õâ¾Í¸æËßÎÒÃÇINSERT into table t3¶¯×÷Ê§°Ü¡£</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE HANDLER syntax ÉùÃ÷Òì³£´¦ÀíµÄÓï·¨</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE</FONT></P>
<P><FONT size=2>¡¡¡¡{ EXIT | CONTINUE }</FONT></P>
<P><FONT size=2>¡¡¡¡HANDLER FOR</FONT></P>
<P><FONT size=2>¡¡¡¡{ error-number | { SQLSTATE error-string } | condition }</FONT></P>
<P><FONT size=2>¡¡¡¡SQL statement</FONT></P>
<P><FONT size=2>¡¡¡¡ÉÏÃæ¾ÍÊÇ´íÎó´¦ÀíµÄÓÃ·¨£¬Ò²¾ÍÊÇÒ»¶Îµ±³ÌÐò³ö´íºó×Ô¶¯´¥·¢µÄ´úÂë¡£MySQLÔÊÐíÁ½ÖÖ´¦ÀíÆ÷£¬Ò»ÖÖÊÇEXIT´¦Àí£¬ÎÒÃÇ¸Õ²ÅËùÓÃµÄ¾ÍÊÇÕâÖÖ¡£ÁíÒ»ÖÖ¾ÍÊÇÎÒÃÇ½«ÒªÑÝÊ¾µÄ£¬CONTINUE´¦Àí£¬Ëü¸úEXIT´¦ÀíÀàËÆ£¬²»Í¬ÔÚÓÚËüÖ´ÐÐºó£¬Ô­Ö÷³ÌÐòÈÔÈ»¼ÌÐøÔËÐÐ£¬ÄÇÃ´Õâ¸ö¸´ºÏÓï¾ä¾ÍÃ»ÓÐ³ö¿ÚÁË¡£</FONT></P>
<P><FONT size=2>¡¡¡¡1. DECLARE CONTINUE HANDLER example CONTINUE´¦ÀíÀý×Ó</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE TABLE t4 (s1 int,primary key(s1));//</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE PROCEDURE p23 ()</FONT></P>
<P><FONT size=2>¡¡¡¡BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE CONTINUE HANDLER</FONT></P>
<P><FONT size=2>¡¡¡¡FOR SQLSTATE '23000' SET @x2 = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 2;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 3;</FONT></P>
<P><FONT size=2>¡¡¡¡END;//</FONT></P>
<P><FONT size=2>¡¡¡¡ÕâÊÇMySQL²Î¿¼ÊÖ²áÉÏµÄCONTINUE´¦ÀíµÄÀý×Ó£¬Õâ¸öÀý×ÓÊ®·ÖºÃ£¬ËùÒÔÎÒ°ÑËü¿½±´µ½ÕâÀï¡£Í¨¹ýÕâ¸öÀý×ÓÎÒÃÇ¿ÉÒÔ¿´³öCONTINUE´¦ÀíÊÇÈçºÎ¹¤×÷µÄ¡£</FONT></P></DIV></DIV>
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<P><FONT size=2>¡¡¡¡2. DECLARE CONTINUE HANDLERÉùÃ÷CONTINUEÒì³£´¦Àí</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE TABLE t4 (s1 int,primary key(s1));//</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE PROCEDURE p23 ()</FONT></P>
<P><FONT size=2>¡¡¡¡BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE CONTINUE HANDLER</FONT></P>
<P><FONT size=2>¡¡¡¡FOR SQLSTATE '23000' SET @x2 = 1; &lt;--</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 2;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 3;</FONT></P>
<P><FONT size=2>¡¡¡¡END;//</FONT></P>
<P><FONT size=2>¡¡¡¡Õâ´ÎÎÒ½«ÎªSQLSTATEÖµ¶¨ÒåÒ»¸ö´¦Àí³ÌÐò¡£»¹¼ÇµÃÇ°ÃæÎÒÃÇÊ¹ÓÃµÄMySQL´íÎó´úÂë1216Âð£¿ÊÂÊµÉÏÕâÀïµÄ23000SQLSTATEÊÇ¸ü³£ÓÃµÄ£¬µ±Íâ¼üÔ¼Êø³ö´í»òÖ÷¼üÔ¼Êø³ö´í¾Í±»µ÷ÓÃÁË¡£</FONT></P>
<P><FONT size=2>¡¡¡¡3. DECLARE CONTINUE HANDLER</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE TABLE t4 (s1 int,primary key(s1));//</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE PROCEDURE p23 ()</FONT></P>
<P><FONT size=2>¡¡¡¡BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE CONTINUE HANDLER</FONT></P>
<P><FONT size=2>¡¡¡¡FOR SQLSTATE '23000' SET @x2 = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 1; &lt;--</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 2;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 3;</FONT></P>
<P><FONT size=2>¡¡¡¡END;//</FONT></P>
<P><FONT size=2>¡¡¡¡Õâ¸ö´æ´¢¹ý³ÌµÄµÚÒ»¸öÖ´ÐÐµÄÓï¾äÊÇ"SET @x = 1"¡£</FONT></P>
<P><FONT size=2>¡¡¡¡4. DECLARE CONTINUE HANDLER example</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE TABLE t4 (s1 int,primary key(s1));//</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE PROCEDURE p23 ()</FONT></P>
<P><FONT size=2>¡¡¡¡BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE CONTINUE HANDLER</FONT></P>
<P><FONT size=2>¡¡¡¡FOR SQLSTATE '23000' SET @x2 = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 2;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1); &lt;--</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 3;</FONT></P>
<P><FONT size=2>¡¡¡¡END;//</FONT></P>
<P><FONT size=2>¡¡¡¡ÔËÐÐºóÖµ1±»²åÈëµ½Ö÷¼ü±íÖÐ¡£</FONT></P>
<P><FONT size=2>¡¡¡¡5. DECLARE CONTINUE HANDLER</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE TABLE t4 (s1 int,primary key(s1));//</FONT></P></DIV></DIV>
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<P><FONT size=2>¡¡¡¡CREATE PROCEDURE p23 ()</FONT></P>
<P><FONT size=2>¡¡¡¡BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE CONTINUE HANDLER</FONT></P>
<P><FONT size=2>¡¡¡¡FOR SQLSTATE '23000' SET @x2 = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 2; &lt;--</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 3;</FONT></P>
<P><FONT size=2>¡¡¡¡END;//</FONT></P>
<P><FONT size=2>¡¡¡¡È»ºó@xµÄÖµ±äÎª2¡£<BR>6. DECLARE CONTINUE HANDLER example</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE TABLE t4 (s1 int,primary key(s1));//</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE PROCEDURE p23 ()</FONT></P>
<P><FONT size=2>¡¡¡¡BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE CONTINUE HANDLER</FONT></P>
<P><FONT size=2>¡¡¡¡FOR SQLSTATE '23000' SET @x2 = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 2;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1); &lt;--</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 3;</FONT></P>
<P><FONT size=2>¡¡¡¡END;//</FONT></P>
<P><FONT size=2>¡¡¡¡È»ºó³ÌÐò³¢ÊÔÔÙ´ÎÍùÖ÷¼ü±íÖÐ²åÈëÊýÖµ£¬µ«Ê§°ÜÁË£¬ÒòÎªÖ÷¼üÓÐÎ¨Ò»ÐÔÏÞÖÆ¡£</FONT></P>
<P><FONT size=2>¡¡¡¡7. DECLARE CONTINUE HANDLER example</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE TABLE t4 (s1 int,primary key(s1));//</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE PROCEDURE p23 ()</FONT></P>
<P><FONT size=2>¡¡¡¡BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE CONTINUE HANDLER</FONT></P>
<P><FONT size=2>¡¡¡¡FOR SQLSTATE '23000' SET @x2 = 1; &lt;--</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 2;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 3;</FONT></P>
<P><FONT size=2>¡¡¡¡END;//</FONT></P>
<P><FONT size=2>¡¡¡¡ÓÉÓÚ²åÈëÊ§°Ü£¬´íÎó´¦Àí³ÌÐò±»´¥·¢£¬¿ªÊ¼½øÐÐ´íÎó´¦Àí¡£ÏÂÒ»¸öÖ´ÐÐµÄÓï¾äÊÇ´íÎó´¦ÀíµÄÓï¾ä£¬@x2±»ÉèÎª2¡£</FONT></P>
<P><FONT size=2>¡¡¡¡8. DECLARE CONTINUE HANDLER example</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE TABLE t4 (s1 int,primary key(s1));//</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE PROCEDURE p23 ()</FONT></P>
<P><FONT size=2>¡¡¡¡BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE CONTINUE HANDLER</FONT></P>
<P><FONT size=2>¡¡¡¡FOR SQLSTATE '23000' SET @x2 = 1;</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 1;</FONT></P></DIV></DIV>
<P><FONT size=2><!-- ·ÖÒ³ --></FONT></P>
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<DIV class=article_c id=fontsize>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 2;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t4 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡SET @x = 3; &lt;--</FONT></P>
<P><FONT size=2>¡¡¡¡END;//</FONT></P>
<P><FONT size=2>¡¡¡¡µ½ÕâÀï²¢Ã»ÓÐ½áÊø£¬ÒòÎªÕâÊÇCONTINUEÒì³£´¦Àí¡£ËùÒÔÖ´ÐÐ·µ»Øµ½Ê§°ÜµÄ²åÈëÓï¾äÖ®ºó£¬¼ÌÐøÖ´ÐÐ½«@xÉè¶¨Îª3¶¯×÷¡£</FONT></P>
<P><FONT size=2>¡¡¡¡9. DECLARE CONTINUE HANDLER example</FONT></P>
<P><FONT size=2>¡¡¡¡mysql&gt; CALL p23()//</FONT></P>
<P><FONT size=2>¡¡¡¡Query OK, 0 rows affected (0.00 sec)</FONT></P>
<P><FONT size=2>¡¡¡¡mysql&gt; SELECT @x, @x2//</FONT></P>
<P><FONT size=2>¡¡¡¡+------+------+</FONT></P>
<P><FONT size=2>¡¡¡¡| @x | @x2 |</FONT></P>
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<P><FONT size=2>¡¡¡¡| 3 | 1 |</FONT></P>
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<P><FONT size=2>¡¡¡¡1 row in set (0.00 sec)</FONT></P>
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<P><FONT size=2>¡¡¡¡1. DECLARE CONDITION</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE PROCEDURE p24 ()</FONT></P>
<P><FONT size=2>¡¡¡¡BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE `Constraint Violation`</FONT></P>
<P><FONT size=2>¡¡¡¡CONDITION FOR SQLSTATE '23000';</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE EXIT HANDLER FOR</FONT></P>
<P><FONT size=2>¡¡¡¡`Constraint Violation` ROLLBACK;</FONT></P>
<P><FONT size=2>¡¡¡¡START TRANSACTION;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t2 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t2 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡COMMIT;</FONT></P>
<P><FONT size=2>¡¡¡¡END; //</FONT></P>
<P><FONT size=2>¡¡¡¡ÕâÊÇÁíÍâÒ»¸ö´íÎó´¦ÀíµÄÀý×Ó£¬ÔÚÇ°ÃæµÄ»ù´¡ÉÏÐÞ¸ÄµÄ¡£ÊÂÊµÉÏÄã¿É¸øSQLSTATE»òÕß´íÎó´úÂëÆäËûµÄÃû×Ö£¬Äã¾Í¿ÉÒÔÔÚ´¦ÀíÖÐÊ¹ÓÃ×Ô¼º¶¨ÒåµÄÃû×ÖÁË¡£ÏÂÃæ¿´ËüÊÇÔõÃ´ÊµÏÖµÄ£ºÎÒ°Ñ±ít2¶¨ÒåÎªInnoDB±í£¬ËùÒÔ¶ÔÕâ¸ö±íµÄ²åÈë²Ù×÷¶¼»áROLLBACK£¨»Ø¹ö£©£¬ROLLBACK£¨»Ø¹öÊÂÎñ£©Ò²ÊÇÇ¡ºÃ»á·¢ÉúµÄ¡£ÒòÎª¶ÔÖ÷¼ü²åÈëÁ½¸öÍ¬ÑùµÄÖµ»áµ¼ÖÂSQLSTATE 23000´íÎó·¢Éú£¬ÕâÀïSQLSTATE 23000ÊÇÔ¼Êø´íÎó¡£</FONT></P>
<P><FONT size=2></FONT></P>
<P><FONT size=2>¡¡¡¡2. DECLARE CONDITIONÉùÃ÷Ìõ¼þ</FONT></P>
<P><FONT size=2>¡¡¡¡CREATE PROCEDURE p24 ()</FONT></P>
<P><FONT size=2>¡¡¡¡BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE `Constraint Violation`</FONT></P>
<P><FONT size=2>¡¡¡¡CONDITION FOR SQLSTATE '23000';</FONT></P>
<P><FONT size=2>¡¡¡¡DECLARE EXIT HANDLER FOR</FONT></P>
<P><FONT size=2>¡¡¡¡`Constraint Violation` ROLLBACK;</FONT></P>
<P><FONT size=2>¡¡¡¡START TRANSACTION;</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t2 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡INSERT INTO t2 VALUES (1);</FONT></P>
<P><FONT size=2>¡¡¡¡COMMIT;</FONT></P>
<P><FONT size=2>¡¡¡¡END; //</FONT></P>
<P><FONT size=2>¡¡¡¡Õâ¸öÔ¼Êø´íÎó»áµ¼ÖÂROLLBACK£¨»Ø¹öÊÂÎñ£©ºÍSQLSTATE 23000´íÎó·¢Éú¡£</FONT></P>
<P><FONT size=2>¡¡¡¡3. DECLARE CONDITION</FONT></P>
<P><FONT size=2>¡¡¡¡mysql&gt; CALL p24()//</FONT></P>
<P><FONT size=2>¡¡¡¡Query OK, 0 rows affected (0.28 sec)</FONT></P>
<P><FONT size=2>¡¡¡¡mysql&gt; SELECT * FROM t2//</FONT></P>
<P><FONT size=2>¡¡¡¡Empty set (0.00 sec)</FONT></P>
<P><FONT size=2>¡¡¡¡ÎÒÃÇµ÷ÓÃÕâ¸ö´æ´¢¹ý³Ì¿´½á¹ûÊÇÊ²Ã´£¬´ÓÉÏÃæ½á¹ûÎÒÃÇ¿´µ½±ít2Ã»ÓÐ²åÈëÈÎºÎ¼ÇÂ¼¡£È«²¿ÊÂÎñ¶¼»Ø¹öÁË¡£ÕâÕýÊÇÎÒÃÇÏëÒªµÄ¡£</FONT></P>
<P><FONT size=2>¡¡¡¡4. DECLARE CONDITION</FONT></P>
<P><FONT size=2>¡¡¡¡mysql&gt; CREATE PROCEDURE p9 ()</FONT></P>
<P><FONT size=2>¡¡¡¡-&gt; BEGIN</FONT></P>
<P><FONT size=2>¡¡¡¡-&gt; DECLARE EXIT HANDLER FOR NOT FOUND BEGIN END;</FONT></P>
<P><FONT size=2>¡¡¡¡-&gt; DECLARE EXIT HANDLER FOR SQLEXCEPTION BEGIN END;</FONT></P>
<P><FONT size=2>¡¡¡¡-&gt; DECLARE EXIT HANDLER FOR SQLWARNING BEGIN END;</FONT></P>
<P><FONT size=2>¡¡¡¡-&gt; END;//</FONT></P>
<P><FONT size=2>¡¡¡¡Query OK, 0 rows affected (0.00 sec)</FONT></P>
<P><FONT size=2>¡¡¡¡ÕâÀïÊÇÈý¸öÔ¤ÉùÃ÷µÄÌõ¼þ£ºNOT FOUND (ÕÒ²»µ½ÐÐ), SQLEXCEPTION (´íÎó),SQLWARNING (¾¯¸æ»ò×¢ÊÍ)¡£ÒòÎªËüÃÇÊÇÔ¤ÉùÃ÷µÄ£¬Òò´Ë²»ÐèÒªÉùÃ÷Ìõ¼þ¾Í¿ÉÒÔÊ¹ÓÃ¡£²»¹ýÈç¹ûÄãÈ¥×öÕâÑùµÄÉùÃ÷£º"DECLARE SQLEXCEPTION CONDITION ..."£¬Äã½«»áµÃµ½´íÎóÐÅÏ¢ÌáÊ¾¡£</FONT></P>
<P><FONT size=2></FONT></P></DIV></DIV></DIV><!-- ·ÖÒ³ -->]]></description>
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  	  <title><![CDATA[MySQL±¸·ÝºÍ»Ö¸´]]></title>
  	  <link>html_news/</link>
  	  <author>admin</author>
  	  <category><![CDATA[MySQL]]></category>
  	  <pubDate>2008-11-21</pubDate>
  	  <description><![CDATA[<DIV id=clickeye_content>
<DIV class=article_c id=fontsize>
<P><FONT size=2>¡¡¡¡ÌÖÂÛ MySQL µÄ±¸·ÝºÍ»Ö¸´»úÖÆ£¬ÒÔ¼°ÈçºÎÎ¬»¤Êý¾Ý±í£¬°üÀ¨×îÖ÷ÒªµÄÁ½ÖÖ±íÀàÐÍ£ºMyISAM ºÍ Innodb£¬ÎÄÖÐÉè¼ÆµÄ MySQL °æ±¾Îª 5.0.22¡£</FONT></P>
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   <item>
  	  <title><![CDATA[mysqldump²ÎÊý½âÊÍ]]></title>
  	  <link>html_news/</link>
  	  <author>admin</author>
  	  <category><![CDATA[MySQL]]></category>
  	  <pubDate>2008-11-21</pubDate>
  	  <description><![CDATA[<DIV class=article_c id=fontsize>
<P><FONT size=2>¡¡¡¡ÊµÓÃ³ÌÐò£¬Îª±¸·Ý»òÎª°ÑÊý¾Ý×ªÒÆµ½ÁíÍâµÄSQL·þÎñÆ÷ÉÏÇãµ¹Ò»¸öÊý¾Ý¿â»òÐí¶àÊý¾Ý¿â¡£Çãµ¹½«°üº¬ ´´½¨±í»ò³äÊµ±íµÄSQLÓï¾ä¡£ </FONT></P>
<P><FONT size=2><CODE>shell&gt; mysqldump [OPTIONS] database [tables]</CODE> </FONT>
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<P><FONT size=2>¡¡¡¡ÕâÐ©Ñ¡ÔñÓë-TÑ¡ÔñÒ»ÆðÊ¹ÓÃ£¬²¢ÇÒÓÐÏàÓ¦µÄLOAD DATA INFILE×Ó¾äÏàÍ¬µÄº¬Òå¡£¼û7.16 LOAD DATA INFILEÓï·¨¡£ </FONT></P>
<P><FONT size=2><CODE>-F, --flush-logs<BR>ÔÚ¿ªÊ¼Çãµ¹Ç°£¬Ï´µôÔÚMySQL·þÎñÆ÷ÖÐµÄÈÕÖ¾ÎÄ¼þ¡£<BR>-f, --force,<BR>¼´Ê¹ÎÒÃÇÔÚÒ»¸ö±íÇãµ¹ÆÚ¼äµÃµ½Ò»¸öSQL´íÎó£¬¼ÌÐø¡£<BR>-h, --host=..<BR>´ÓÃüÃûµÄÖ÷»úÉÏµÄMySQL·þÎñÆ÷Çãµ¹Êý¾Ý¡£È±Ê¡Ö÷»úÊÇlocalhost¡£<BR>-l, --lock-tables.<BR>Îª¿ªÊ¼Çãµ¹Ëø¶¨ËùÓÐ±í¡£<BR>-t, --no-create-info<BR>²»Ð´Èë±í´´½¨ÐÅÏ¢(CREATE TABLEÓï¾ä£©<BR>-d, --no-data<BR>²»Ð´Èë±íµÄÈÎºÎÐÐÐÅÏ¢¡£Èç¹ûÄãÖ»ÏëµÃµ½Ò»¸ö±íµÄ½á¹¹µÄÇãµ¹£¬ÕâÊÇºÜÓÐÓÃµÄ£¡<BR>--opt<BR>Í¬--quick --add-drop-table --add-locks --extended-insert --lock-tables¡£Ó¦¸Ã¸øÄãÎª¶ÁÈëÒ»¸öMySQL·þÎñÆ÷µÄ¾¡¿ÉÄÜ×î¿ìµÄÇãµ¹¡£<BR>-pyour_pass, --password[=your_pass]<BR>Óë·þÎñÆ÷Á¬½ÓÊ±Ê¹ÓÃµÄ¿ÚÁî¡£Èç¹ûÄã²»Ö¸¶¨¡°=your_pass¡±²¿·Ö£¬mysqldumpÐèÒªÀ´×ÔÖÕ¶ËµÄ¿ÚÁî¡£<BR>-P port_num, --port=port_num<BR>ÓëÒ»Ì¨Ö÷»úÁ¬½ÓÊ±Ê¹ÓÃµÄTCP/IP¶Ë¿ÚºÅ¡££¨ÕâÓÃÓÚÁ¬½Óµ½localhostÒÔÍâµÄÖ÷»ú£¬ÒòÎªËüÊ¹ÓÃ UnixÌ×½Ó×Ö¡££©<BR>-q, --quick<BR>²»»º³å²éÑ¯£¬Ö±½ÓÇãµ¹ÖÁstdout£»Ê¹ÓÃmysql_use_result()×öËü¡£<BR>-S /path/to/socket, --socket=/path/to/socket<BR>ÓëlocalhostÁ¬½ÓÊ±£¨ËüÊÇÈ±Ê¡Ö÷»ú)Ê¹ÓÃµÄÌ×½Ó×ÖÎÄ¼þ¡£<BR>-T, --tab=path-to-some-directory<BR>¶ÔÓÚÃ¿¸ö¸ø¶¨µÄ±í£¬´´½¨Ò»¸ötable_name.sqlÎÄ¼þ£¬Ëü°üº¬SQL CREATE ÃüÁî£¬ºÍÒ»¸ötable_name.txtÎÄ¼þ£¬Ëü°üº¬Êý¾Ý¡£ ×¢Òâ£ºÕâÖ»ÓÐÔÚmysqldumpÔËÐÐÔÚmysqldÊØ»¤½ø³ÌÔËÐÐµÄÍ¬Ò»Ì¨»úÆ÷ÉÏµÄÊ±ºò²Å¹¤×÷¡£.txtÎÄ¼þµÄ¸ñÊ½¸ù¾Ý--fields-xxxºÍ--lines--xxxÑ¡ÏîÀ´¶¨¡£<BR>-u user_name, --user=user_name<BR>Óë·þÎñÆ÷Á¬½ÓÊ±£¬MySQLÊ¹ÓÃµÄÓÃ»§Ãû¡£È±Ê¡ÖµÊÇÄãµÄUnixµÇÂ¼Ãû¡£<BR>-O var=option, --set-variable var=option<BR>ÉèÖÃÒ»¸ö±äÁ¿µÄÖµ¡£¿ÉÄÜµÄ±äÁ¿±»ÁÐÔÚÏÂÃæ¡£<BR>-v, --verbose<BR>Èß³¤Ä£Ê½¡£´òÓ¡³ö³ÌÐòËù×öµÄ¸ü¶àµÄÐÅÏ¢¡£<BR>-V, --version<BR>´òÓ¡°æ±¾ÐÅÏ¢²¢ÇÒÍË³ö¡£<BR>-w, --where='where-condition'<BR>Ö»Çãµ¹±»Ñ¡ÔñÁËµÄ¼ÇÂ¼£»×¢ÒâÒýºÅÊÇÇ¿ÖÆµÄ£¡<BR>"--where=user='jimf'" "-wuserid&gt;1" "-wuserid&lt;1"</CODE> </FONT>
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<P><FONT size=2><CODE>mysqldump --opt database &gt; backup-file.sql</CODE> </FONT>
<P><FONT size=2>¡¡¡¡µ«ÊÇËü¶ÔÓÃÀ´×ÔÓÚÒ»¸öÊý¾Ý¿âµÄÐÅÏ¢³äÊµÁíÍâÒ»¸öMySQLÊý¾Ý¿âÒ²ÊÇÓÐÓÃµÄ£º </FONT></P>
<P><CODE><FONT size=2>mysqldump --opt database | mysql --host=remote-host -C database</FONT></CODE></P></DIV>]]></description>
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   <item>
  	  <title><![CDATA[MySQL ÖÐÎÄ»¯½âÎö]]></title>
  	  <link>html_news/</link>
  	  <author>admin</author>
  	  <category><![CDATA[MySQL]]></category>
  	  <pubDate>2008-11-21</pubDate>
  	  <description><![CDATA[<DIV id=clickeye_content>
<DIV class=article_c id=fontsize>
<P><FONT size=2>¡¡¡¡ÓÉÓÚÏµÍ³×Ô´øµÄMySQLÄ¬ÈÏ×Ö·û¼¯²»ÊÇgbk,Òò´Ë¸øÊý¾Ý¿âµÄÍÆ¹ãÓ¦ÓÃÒÔ¼°ÖÐÎÄ³ÌÐòµÄ¿ª·¢´øÀ´¼«´óµÄ²»±ã,ÔÚÃ»ÍêÃ»ÁËµÄGBKºÍUTF8µÄ×ª»»¹ý³ÌÖÐÏûºÄÁËÎÒÃÇÎÞÊýµÄ¾«Á¦ÒÔ¼°ÏµÍ³µÄ×ÊÔ´¡£</FONT></P>
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<P><CODE><FONT size=2>¡¡¡¡login:root<BR>¡¡¡¡shell&gt;removepkgmysql<BR>¡¡¡¡shell&gt;groupaddmysql<BR>¡¡¡¡shell&gt;cd/app<BR>¡¡¡¡shell&gt;mkdirmysql<BR>¡¡¡¡shell&gt;chmod744mysql<BR>¡¡¡¡shell&gt;useradd-Gmysql-s<BR>¡¡¡¡/bin/bash¨Cp/app/mysqlmysql<BR>¡¡¡¡shell&gt;chown-Rmysql.mysqlmysql</FONT></CODE></P>
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  	  <title><![CDATA[MySQL²éÑ¯ÓÅ»¯Æ÷Ç³Îö]]></title>
  	  <link>html_news/</link>
  	  <author>admin</author>
  	  <category><![CDATA[MySQL]]></category>
  	  <pubDate>2008-11-21</pubDate>
  	  <description><![CDATA[<DIV class=article_c id=fontsize>
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  	  <title><![CDATA[MySQL×Ö·û¼¯]]></title>
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  	  <author>admin</author>
  	  <category><![CDATA[MySQL]]></category>
  	  <pubDate>2008-11-21</pubDate>
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<TD style="WORD-WRAP: break-word" bgColor=#fdfddf><FONT color=#ff0000>ÒÔÏÂÎªÒýÓÃµÄÄÚÈÝ£º</FONT><BR>SubSplitString()<BR>¡¡¡¡DimstrA()AsString<BR>¡¡¡¡strA()=Split(Me.TextBoxA,"-")<BR>¡¡¡¡DimiAsInteger<BR>¡¡¡¡Fori=0ToUBound(strA)<BR>¡¡¡¡¡¡¡¡Debug.PrintstrA(i)<BR>¡¡¡¡¡¡¡¡Me("TextBox"&amp;i).value=strA(i)<BR>¡¡¡¡Next<BR>EndSub </TD></TR></TBODY></TABLE></P>]]></description>
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  	  <link>html_news/</link>
  	  <author>admin</author>
  	  <category><![CDATA[Access]]></category>
  	  <pubDate>2008-11-21</pubDate>
  	  <description><![CDATA[<TABLE style="BORDER-RIGHT: #cccccc 1px dotted; TABLE-LAYOUT: fixed; BORDER-TOP: #cccccc 1px dotted; BORDER-LEFT: #cccccc 1px dotted; BORDER-BOTTOM: #cccccc 1px dotted" cellSpacing=0 cellPadding=6 width="95%" align=center border=0>
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<TD style="WORD-WRAP: break-word" bgColor=#fdfddf><FONT color=#ff0000>ÒÔÏÂÎªÒýÓÃµÄÄÚÈÝ£º</FONT><BR>'¹¦ÄÜ£º»ñÈ¡access¿âÖÐ±íµÄ¸öÊý¼°±íµÄÃû³Æ<BR>'ÓÃadoÔõÑùÊµÏÖ<BR>'¹¤³Ì---&gt;ÒýÓÃ---&gt;Microsoft ActiveX Data Object 2.x£¨°æ±¾ºÅ£©<BR>'----------------------------------------------------------------------------<BR>Private Sub Form_Load()<BR>Dim adoCN¡¡ As New ADODB.Connection¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡'¶¨ÒåÊý¾Ý¿âµÄÁ¬½Ó<BR>Dim strCnn¡¡ As New ADODB.Recordset<BR>Dim rstSchema As New ADODB.Recordset<BR>Dim I As Integer<BR>¡¡ str1 = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:Northwind.MDB;Persist Security Info=False"<BR>¡¡ adoCN.Open str1<BR>¡¡¡¡¡¡¡¡<BR>¡¡ Set rstSchema = adoCN.OpenSchema(adSchemaTables)<BR>¡¡¡¡<BR>¡¡ Do Until rstSchema.EOF<BR>¡¡¡¡¡¡¡¡If rstSchema!TABLE_TYPE = "TABLE" Then<BR>¡¡¡¡¡¡¡¡¡¡ out = out &amp; "Table¡¡name:¡¡" &amp; _<BR>¡¡¡¡¡¡¡¡¡¡¡¡¡¡ rstSchema!TABLE_NAME &amp; vbCr &amp; _<BR>¡¡¡¡¡¡¡¡¡¡¡¡¡¡ "Table¡¡type:¡¡" &amp; rstSchema!TABLE_TYPE &amp; vbCr<BR>¡¡¡¡¡¡¡¡¡¡¡¡I = I + 1<BR>¡¡¡¡¡¡¡¡End If<BR>¡¡¡¡¡¡¡¡rstSchema.MoveNext<BR>¡¡ Loop<BR>¡¡ MsgBox I<BR>¡¡ rstSchema.Close<BR>¡¡¡¡<BR>¡¡ adoCN.Close<BR>Debug.Print out<BR>End Sub¡¡ </TD></TR></TBODY></TABLE>
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<P>SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)&lt;&gt;"~") AND (MSysObjects.Type)= -32766 ORDER BY MSysObjects.Name;</P>
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  	  <title><![CDATA[°²È«µÄACCESS¼ÓÃÜ·½·¨]]></title>
  	  <link>html_news/</link>
  	  <author>admin</author>
  	  <category><![CDATA[Access]]></category>
  	  <pubDate>2008-11-21</pubDate>
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<TD style="WORD-WRAP: break-word" bgColor=#fdfddf><FONT color=#ff0000>ÒÔÏÂÎªÒýÓÃµÄÄÚÈÝ£º</FONT><BR>const<BR>titlestr:array[0..15] of byte=<BR>($00,$01,$00,$00,$53,$74,$61,$6E,$64,$61,$72,$64,$20,$4A,$65,$74) ;//¶ÔÓ¦MDBÎÄ¼þµÄÇ°16¸ö×Ö½Ú<BR>titlestr2:array[0..15] of byte=<BR>($48,$4A,$00,$58,$55,$43,$48,$41,$4E,$47,$59,$4F,$55,$00,$20,$20) ;//¸ü¸ÄºóµÄMDBÎÄ¼þµÄÇ°16¸ö×Ö½Ú£¬×Ô¼ºËæ±ãÐ´°É£¬±ÈÈçÐ´ÉÏ×Ô¼º¹«Ë¾µÄ¼ò³Æ»ò×ÔÒÑµÄÃû<BR>produce EncrypMDB(filename:string); //ÓÃtitlestr2ÄÚÈÝÌæ»»MDBÇ°16¸ö×Ö½Ú£¬ÒÔ±ãÊµÏÖ¼ÓÃÜµÄ×÷ÓÃ<BR>var F:TFileStream;<BR>begin<BR>¡¡ if not fileExists(filename) then¡¡exit;<BR>¡¡ F:=TFileStream.create(filename,fmopenwrite);<BR>¡¡ try<BR>¡¡¡¡¡¡ F.seek($00,soFromBeginning);<BR>¡¡¡¡¡¡ F.Write(titlestr2,16);<BR>¡¡ finally<BR>¡¡¡¡¡¡ F.free;<BR>¡¡ end;<BR>end;<BR>produce uncrypMDB(filename:string); //»¹Ô­MDBÇ°16¸ö×Ö½Ú<BR>var F:TFileStream;<BR>begin<BR>¡¡ if not fileExists(filename) then¡¡exit;<BR>¡¡ F:=TFileStream.create(filename,fmopenwrite);<BR>¡¡ try<BR>¡¡¡¡¡¡ F.seek($00,soFromBeginning);<BR>¡¡¡¡¡¡ F.Write(titlestr,16);<BR>¡¡ finally<BR>¡¡¡¡¡¡ F.free;<BR>¡¡ end;<BR>end; </TD></TR></TBODY></TABLE></P>
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<TD style="WORD-WRAP: break-word" bgColor=#fdfddf><FONT color=#ff0000>ÒÔÏÂÎªÒýÓÃµÄÄÚÈÝ£º</FONT><BR>//»¹Ô­Êý¾Ý£¬ÒÔ±ã×ÔÒÑÊ¹ÓÃÊý¾Ý¿â<BR>copyfile(pchar(APP_path+'dataaccount.db'),pchar(app_path+'datatemp.db'),false); //app_path±íÊ¾³ÌÐòµÄµ±Ç°Ä¿Â¼£¬account.dbÊÇ¸ö¸ü¸ÄÁËÀ©Õ¹ÃûµÄMDBÎÄ¼þ<BR>uncrypMDB(App_path+'datatemp.db');<BR>copyfile(pchar(App_path+'datatemp.db'),pchar(APP_path+'dataaccount.db'),false);<BR>adoconn.connectionstring:='provider=Microsoft.Jet.OLEDB.4.0;Data Source='+App_path+'dataaccount.db;Persist Security Info=false'; //adoconÊÇ¸öTADOConnection×é¼þ<BR>try<BR>¡¡adoconn.connected:=true;<BR>except<BR>¡¡MessageBox(handle,'´ò¿ªÊý¾Ý¿â³öÏÖÖÂÃüµÄ´íÎó£¡£¡£¡','´íÎó',MB_OK+MB_ICONERROR);<BR>end;<BR>//´ò¿ªºóÂíÉÏ¶ÔÆä¼ÓÃÜ<BR>copyfile(pchar(APP_path+'dataaccount.db'),pchar(app_path+'datatemp.db'),false); //app_path±íÊ¾³ÌÐòµÄµ±Ç°Ä¿Â¼£¬account.dbÊÇ¸ö¸ü¸ÄÁËÀ©Õ¹ÃûµÄMDBÎÄ¼þ<BR>EncrypMDB(App_path+'datatemp.db');<BR>copyfile(pchar(App_path+'datatemp.db'),pchar(APP_path+'dataaccount.db'),false);<BR>deletefile(App_path+'datatemp.db'); </TD></TR></TBODY></TABLE></P>
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  	  <link>html_news/</link>
  	  <author>admin</author>
  	  <category><![CDATA[Access]]></category>
  	  <pubDate>2008-11-21</pubDate>
  	  <description><![CDATA[<P>ÎÊÌâ£º </P>
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<TD style="WORD-WRAP: break-word" bgColor=#fdfddf><FONT color=#ff0000>ÒÔÏÂÎªÒýÓÃµÄÄÚÈÝ£º</FONT><BR>Sub ´òÓ¡·¢»õµ¥_Click()<BR>' Õâ¶Î´úÂëÓÉ¡°ÃüÁî°´Å¥Ïòµ¼¡±´´½¨¡£<BR>On Error GoTo Err_PrintInvoice_Click<BR>¡¡¡¡<BR>¡¡¡¡Dim strDocName As String<BR>¡¡¡¡strDocName = "·¢»õµ¥"<BR>¡¡¡¡' ´òÓ¡¡°·¢»õµ¥¡±±¨±í£¬Ê¹ÓÃ¡°·¢»õµ¥É¸Ñ¡¡±²éÑ¯´òÓ¡µ±Ç°¶©µ¥µÄ·¢»õµ¥¡£<BR>¡¡¡¡DoCmd.OpenReport strDocName, acViewNormal, "·¢»õµ¥É¸Ñ¡"<BR>¡¡¡¡<BR>Exit_PrintInvoice_Click:<BR>¡¡¡¡Exit Sub<BR>¡¡¡¡<BR>Err_PrintInvoice_Click:<BR>¡¡¡¡' Èç¹ûÓÃ»§È¡Ïû²Ù×÷£¬²»ÏÔÊ¾´íÎóÏûÏ¢¡£<BR>¡¡¡¡Const conErrDoCmdCancelled = 2501<BR>¡¡¡¡If (Err = conErrDoCmdCancelled) Then<BR>¡¡¡¡¡¡¡¡Resume Exit_PrintInvoice_Click<BR>¡¡¡¡Else<BR>¡¡¡¡¡¡¡¡MsgBox Err.Description<BR>¡¡¡¡¡¡¡¡Resume Exit_PrintInvoice_Click<BR>¡¡¡¡End If<BR>¡¡¡¡<BR>End Sub </TD></TR></TBODY></TABLE></P>
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  	  <title><![CDATA[AccessÏÂÈçºÎÊ¹ÓÃÍ¨ÓÃ¶Ô»°¿ò]]></title>
  	  <link>html_news/</link>
  	  <author>admin</author>
  	  <category><![CDATA[Access]]></category>
  	  <pubDate>2008-11-21</pubDate>
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  	  <category><![CDATA[Access]]></category>
  	  <pubDate>2008-11-21</pubDate>
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<TD style="WORD-WRAP: break-word" bgColor=#fdfddf><FONT size=2><FONT color=#ff0000>ÒÔÏÂÎªÒýÓÃµÄÄÚÈÝ£º</FONT><BR>Private Sub Flash_FSCommand(ByVal command As String, ByVal args As String)<BR>Select Case command<BR>Case "JHGL"<BR>MsgBox "Äú½«½øÈë¡°½ø»õ¹ÜÀí¡±Ä£¿é"<BR>Case "CHGL"<BR>MsgBox "Äú½«½øÈë¡°³ö»õ¹ÜÀí¡±Ä£¿é"<BR>Case "KCGL"<BR>MsgBox "Äú½«½øÈë¡°¿â´æ¹ÜÀí¡±Ä£¿é"<BR>Case "CWGL"<BR>MsgBox "Äú½«½øÈë¡°²ÆÎñ¹ÜÀí¡±Ä£¿é"<BR>Case "help"<BR>MsgBox "Äú½«½øÈë¡°Ê¹ÓÃ°ïÖú¡±Ä£¿é"<BR>Case "help"<BR>MsgBox "Äú½«½øÈë¡°½ø»õ¹ÜÀí¡±Ä£¿é"<BR>Case "close"<BR>MsgBox "ÔÙ¼û£¡sanjian.5944.net"<BR>DoCmd.Close<BR>End Select<BR>End Sub </FONT></TD></TR></TBODY></TABLE></P>
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<TD style="WORD-WRAP: break-word" bgColor=#fdfddf><FONT size=2><FONT color=#ff0000>ÒÔÏÂÎªÒýÓÃµÄÄÚÈÝ£º</FONT><BR>Private Sub Command1_Click()<BR>Const Offset = &amp;H43 ÎÄ¼þÆ«ÒÆµØÖ·£ºAccessÊý¾Ý¿â´Ó´Ë´¦¿ªÊ¼´æ·Å¼ÓÃÜÃÜÂë<BR>Dim bEmpty(1 To 2) As Byte, bPass(1 To 2) As Byte<BR>Dim i As Integer, Password As String<BR>´ò¿ªÒ»¸ö¿ÕÊý¾Ý¿â×÷Îª²ÎÕÕ<BR>Open "D:VB6_TestMDB_PasswordNew_Empty_DB.mdb" For Binary As #1<BR>´ò¿ª±»ÃÜÂë±£»¤µÄÊý¾Ý¿â<BR>Open "D:VB6_TestMDB_PasswordPass_Protected_DB.mdb" For Binary As #2<BR>Seek #1, Offset<BR>Seek #2, Offset<BR>For i = 1 To 20 ' Access 2000 Êý¾Ý¿âÃÜÂë×î³¤ÔÊÐí20Î»<BR>Get #1, , bEmpty ' ÆäÖÐÃ¿Î»ÃÜÂëÕ¼Á½¸ö×Ö½Ú<BR>Get #2, , bPass ' Ò»¸öºº×ÖÒ²½öÊÇÒ»Î»ÃÜÂë£¬Õ¼Á½¸ö×Ö½Ú<BR>If (bEmpty(1) Xor bPass(1)) &lt;&gt; 0 Then<BR>Password = Password + Chr(bEmpty(1) Xor bPass(1)) ' ½«ÃÜÂë½âÃÜ<BR>End If<BR>Next<BR>Close 1, 2<BR>MsgBox "Password:" + Password ' ÏÔÊ¾ÃÜÂë<BR>End Sub </FONT></TD></TR></TBODY></TABLE></P>
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