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

MysqlÖÐÎÊ×Ö·ûÏÖʵÂÒÂëºÍÎÞ·¨Ìí¼ÓÖÐÎÄÊý¾ÝÎÊÌâ

      ½ñÌìÖÕÓÚÕÒµ½×Ô¼ºµ÷ÊÔÉÐѧÌÃshoppingÏîĿʱµÄÎÊÌâËùÔÚÁË£¬Í¨¹ý²é×ÊÁÏ£¬¶ÔmyeclipseºÍtomcatµÄ²¿ÊðÓÖÓÐÁ˸üÉîÒ»¸ö²ã´ÎµÄÁ˽⣬³ÌÐòµ÷ͨÁË£¬ÐË·ÜÁËÒ»ÏÂÏ£¬¹þ¹þ¡£¡£
      È¥ºǫ́Ìí¼ÓÊý¾Ý·¢ÏÖ´ÓmysqlÖжÁ³öµÄÖÐÎÄÈ«²¿ÏÖʵΪ¿É°®µÄÎʺţ¬ÕâϺÃÁË£¬ÎÒÐÄÀïÒ²²úÉúÎʺÅÁË£¬°ÑmysqlÖØÐÂÅäÖÃÁËÒ»±é£¬Ñ¡Ôñutf-8×Ö·û¼¯£¬Ë¢ÐÂÒ³Ãæ£¬ÎʺݹÔÚ£¬ÔÙÌí¼ÓÊý¾Ý£¬¾¹È»ÎÞ·¨Ìí¼ÓÖÐÎÄÊý¾ÝÁË¡£¡£
      ÔÚÍøÉÏ¿àѰһ·­Ö®ºó£¬²ÅÖªµÀÊÇÓÉÓÚÊý¾Ý¿â½¨Ö®Ç°µÄ×Ö·û¼¯²»¶Ô£¬ÓÚÊǰÑÊý¾Ý¿âɾÁË£¬Öؽ¨£¬ÖØÐÂÌí¼ÓÊý¾Ý£¬ÏÔʾÕý³££¡


Ïà¹ØÎĵµ£º

MysqlµÄIP´¦Àíº¯Êýinet_aton()ºÍinet_ntoa()


INET_ATON(expr)
¸ø³öÒ»¸ö×÷Ϊ×Ö·û´®µÄÍøÂçµØÖ·µÄµãµØÖ·±íʾ£¬·µ»ØÒ»¸ö´ú±í¸ÃµØÖ·ÊýÖµµÄÕûÊý¡£µØÖ·¿ÉÒÔÊÇ4»ò8±ÈÌØµØÖ·¡£
mysql> SELECT INET_ATON('209.207.224.40');
+-----------------------------+
| INET_ATON('209.207.224.40') |
+-----------------------------+
| 3520061480 |
+-------------------- ......

Á¬½ÓMysqlÊý¾Ý¿âС³£Ê¶

1.¼ÓÔØmysqlÇý¶¯°üProperties->java Build Path->Libraries->Add External JARs...
2.Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/Êý¾Ý¿âÃû?user=root&password=ÃÜÂë"); ......

MySQLÒýÇæ

¡¡MySQLµÄ×Ô´øÒýÇæ¿Ï¶¨Êǹ»ÓÃÁË£¬µ«ÊÇÔÚÓÐЩÇé¿öÏ£¬ÆäËûµÄÒýÇæ¿ÉÄÜÒª±ÈÊÖÍ·ËùÓøüÊʺÏÍê³ÉÈÎÎñ¡£Èç¹ûÔ¸ÒâµÄ»°£¬ÄãÉõÖÁ¿ÉÒÔʹÓÃMySQL++ APIÀ´´´½¨×Ô¼ºµÄÊý¾Ý¿âÒýÇæ£¬¾ÍÏñ´ò´©Æø¸××°ÉÏ×Ô¼ºµÄ»¯ÓÍÆ÷¡£ÏÖÔÚÈÃÎÒÃÇÀ´¿´¿´Äã¸ÃÈçºÎÑ¡ÔñÒýÇæ£¬ÒÔ¼°ÈçºÎÔÚ¿ÉÓÃÒýÇæÖ®¼äÇл»¡£
¡¡¡¡
¡¡¡¡Ñ¡ÔñÄãµÄÒýÇæ
¡¡¡¡
¡¡¡¡ÄãÄÜÓõÄÊý¾Ý¿ ......

MySQL ʼþµ÷¶ÈÆ÷(Event Scheduler)


Ò»¡¢¸ÅÊö
¡¡¡¡Ê¼þµ÷¶ÈÆ÷ÊÇÔÚ MySQL 5.1 ÖÐÐÂÔöµÄÁíÒ»¸öÌØÉ«¹¦ÄÜ£¬¿ÉÒÔ×÷Ϊ¶¨Ê±ÈÎÎñµ÷¶ÈÆ÷£¬È¡´ú²¿·ÖÔ­ÏÈÖ»ÄÜÓòÙ×÷ϵͳÈÎÎñµ÷¶ÈÆ÷²ÅÄÜÍê³ÉµÄ¶¨Ê±¹¦>ÄÜ¡£ÀýÈ磬Linux ÖÐµÄ crontabe Ö»Äܾ«È·µ½Ã¿·ÖÖÓÖ´ÐÐÒ»´Î£¬¶ø MySQL µÄʼþµ÷¶ÈÆ÷Ôò¿ÉÒÔʵÏÖÿÃëÖÓÖ´ÐÐÒ»¸öÈÎÎñ£¬ÕâÔÚһЩ¶ÔʵʱÐÔÒª>Çó½Ï¸ßµÄ»·¾³Ï¾ͷdz£ÊµÓÃÁ ......

oracleºÍMysqlÁ¬½ÓÊý¾Ý¿â

Mysql·½Ê½£º
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class MysqlDB {
 private String strClass = "com.mysql.jdbc.Driver";
 private String strDriver = "jdbc:mysql://localhost: ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ