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

¹ØÓÚMySQLµÄ²éѯ½á¹û

´úÂëÈçÏ£º
$sql = "select count(*) from admin";
$result = mysql_query($sql);
$num=mysql_num_rows($result);
echo $num;
Ϊʲô²»¹ÜÎҵļǼÓжàÉÙÌõ£¬¶¼ÊÇÊä³ö1£¬
ÎÒÏëÊä³ö²éѯµÄ½á¹û£¬Ó¦¸ÃÔõôÐ޸ģ¿

ÈçÐèÒªÔĶÁ¸Ã»Ø¸´£¬ÇëµÇ¼»ò×¢²áCSDN!




Ïà¹ØÎÊ´ð£º

Çë½ÌÒ»¸öjsp¼òµ¥µÄmysqlÎÊÌâ

ÊÇÒ»Ìõ¸üвÙ×÷£º
Java code:

¡­¡­
private Integer bonus = 0;
public Integer getBonus() {
return bonus;
}
public void setBonus(Integer bonus) {
this.bonus = bonus;
}
String SQL = ......

ÈçºÎÓÃjspʵÏÖmysqlÊý¾Ý¿â±àÂ룿

ÔÚphpÖÐÓÃÕâ¾ä¾Í¿ÉʵÏÖ¶Ô¿Í»§¶Ë×Ö·û¼¯µÄÉèÖÃ....

mysql_query("set names gb2312")

ÇëÎÊÔÚjspÖÐÈçºÎʵÏÖÕâ¾ä¹¦ÄÜ£¿£¿£¿
jspÖУº
<%@page language="java" contentType=&q ......

MySQL±àÂëµÄÎÊÌâ

ÎÒµÄMySQL±àÂ룬ÎÒÔÚmy.iniÖÐÉèÖõÄΪutf8,ÔÚ´´½¨Êý¾Ý¿âʱѡÔñµÄ±àÂëΪutf8_Unicode_ci£¬ÎÒÔÚ¡¢´ÓÒ³Ãæ²åÈëÊý¾Ý¿â£¬ÔÚÒ³ÃæÉÏÏÔʾÕý³££¬µ«´ÓphpmyadminÖУ¬²é¿´Ê±£¬ÏÔʾΪÂÒÂ루ÎÒÎÒ¡£& ......

mysqlÁ¬½ÓÎÊÌâ

Á¬½ÓÊý¾Ý¿âʱÔõô³öÏÖÕâÑùµÄ´íÎó£º[localhost] ERROR 1045: Access denied for user 'root'@'localhost' (using password: YES)
ÔΣ¬Óï¾äÌùÀ´¿´¿´
ÄãÃÜÂëÄØ

ÃÜÂë´íÁ˰ɡ£

¸Õѧmysql,ÕÕ×ÅÊ ......

MySQLÊý¾Ý¿â¹ØÁªµÄÎÊÌâ

ÎÒ½¨ÁËÁ½¸ö±í£¬Ò»¸ö±íÃ÷user£¬Ò»¸ö±íanswer
±íuserµÄ½á¹¹{id,username,password}
±íanswerµÄ½á¹¹{A_id,question,answer,U_id}
Çë½Ì´ó¼ÒÎÒÔõôÉèÖòÅÄÜÔÚ±íuser²åÈëÊý¾Ýʱ£¬±íanswer¶ÔÓ¦µÄU_id×Ô¶¯¸üжÔÓ¦± ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ