Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

mysqlµÄÇý¶¯³ÌÐò

ÎÒÓÐÒ»¸öjava»·¾³ÏµijÌÐò£¬ÔÚ±¾»úÔËÐÐÕý³££¬µ«·¢²¼µ½ÍøµÄÐéÄâÖ÷»úʱ²»ÄÜÁ¬½ÓÊý¾Ý¿âÁ¬½Ó³Ø
jdk 1.6 tomcat6.0.18 mysql5 mysqljdbc5.1.5
ÐéÄâÖ÷»úµÄ¼¼ÊõÈËԱ˵£¬Ö»ÄÜÅäÖþÖÓòµÄÊý¾Ý¿âÁ¬½Ó³Ø£¬Ò²¾ÍÊÇÔÚMETA-INF/context.xmlÀïÅäÖÃÁ¬½Ó²ÎÊý£¬
²¢ÇÒmysql5.1.5.jarµÄÇý¶¯³ÌÐò²»¿ÉÒÔ¿½±´µ½<tomcat>/libĿ¼Ï£¬Ö»ÄÜ·ÅÔÚ<app>/WEB-INF/libĿ¼ÏÂ

Ôì³ÉÔËÐÐÎÒµÄÓ¦ÓóÌÐòʱ£¬³öÏÖÒÔÏ´íÎó£ºjava.lang.Exception : Cannot load JDBC driver class 'com.mysql.jdbc.Driver'

Èç¹û°Ñmysql5.1.5.jar¿½±´µ½<tomcat>/libĿ¼Ï£¬Ôò¿ÉÒÔÕý³£ÔËÐУ¬µ«ÐéÄâÖ÷»ú¼¼ÊõÈËÔ±²»ÔÊÐí°Ñ´ËÇý¶¯³ÌÐò·ÅÈëµ½´ËĿ¼
ÎÒÓ¦¸ÃÔõô°ì£¿¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±¼±!!!!!!

<WebRoot/META-INF/context.xmlÎļþÄÚÈÝ>

<?xml version="1.0" encoding="UTF-8"?>
<Context reloadable="true" crossContext="true">
<!-- <WatchedResource>WEB-INF/web.xml</WatchedResource> -->
<Resource 
name="jdbc/clProj" 
auth="Container"
type="javax.sql.DataSource"
driverClassName="com.mysql.jdbc.Driver"
url="jdbc:mysql://127.0.0.1:3306/clproj?autoReconnect=true&amp;useUnicode=true&amp;characterEncoding=UTF-8"
username="ProjUser"
password="123"
maxActive="20"
maxIdle="5"
maxWait="5000">


Ïà¹ØÎÊ´ð£º

Çómysql+php ÖÐÎÄÈ«ÎÄËÑË÷

×ö¸öÕ¾ÄÚËÑË÷£¬ÏÖÔÚÓÃlike ÕâÑùµÄЧÂÊʵÔÚÌ«µÍÁË£¬Ïë¸Ä³ÉÈ«ÎÄËÑË÷·½Ê½¡£

µ«¿´ÁËÍøÉÏ˵µÄÖÐÎÄÖ§³Ö²»ºÃ£¬ÏëÎÊһϸ÷λÐÖµÜÊÇÈçºÎ½â¾öÕâ¸öÎÊÌâµÄ£¿
µ¥¶À½¨Á¢Ö÷Ìâ±íºÍÄÚÈÝ±í ¼ìË÷Ö÷Ìâ

È»ºó¸ù¾ÝÖ÷Ìâ¼ìË÷Ä ......

ÎÒÒª°Ñ×¢²áÐÅÏ¢Ìá½»µ½mysqlÖУ¬ÒªÔõô°ìÄØ£¿

ÎÒÔÚ×¢²áÒ³ÃæдÈëÁËÈçÏ´úÂ룺
<?php
    $conn=mysql_connect("localhost","root","614510")or die("Êý¾Ý¿â·þÎñÆ÷Á¬½Ó´íÎó".mysql_error());
& ......

MYSQL Êý¾Ý½ØÈ¡

MYSQL ½ØÈ¡Ò»¸öÊý¾Ý±íÖÐ,ijһ¸ö×Ö¶Î(fulltext) µÄÇ°Èý°Ù¸ö×Ö·û,·Åµ½¸Ã±íÏÂÁíÒ»¸ö×Ö¶Î(introtxt)Àï.
ÇóʵÏÖÕâ¸öЧ¹ûµÄÃüÁî
SQL code:
update ±í set introtxt=left(`fulltext`,300);

¶¥£¬Ñ§Ï°

SQL code: ......

mysql ´æ´¢¹ý³Ì ÊÂÎñ

Ôõô²¶×½µ½´íÎó½øÐÐroolback
DELIMITER $$

DROP PROCEDURE IF EXISTS `test`.`transaction`$$

CREATE DEFINER=`root`@`localhost` PROCEDURE `transaction`()
BEGIN
set autocommit = 0;
......

Hibernate MySql Ö÷¼üÉú³ÉÎÊÌâ

ÎÒÏÖÔÚboÀïÃæÖ÷¼üÓõÄÊÇIntegerÀàÐ͵ģ¬ÎÒÏëÖ÷¼ü×Ô¶¯Ôö³¤£¬ÓÃidentityÕâ¸öÐÐô£¿

/**
  * @return id
  * @hibernate.id generator-class="identity"
*/
public Integer ge ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ