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

¹ØÓÚPHP+MYsql´óÁ¿Êý¾Ý´¦ÀíµÄÎÊÌâ

ÎÒÏÖÔÚÓиöÊý¾Ý¿â£¬Àï±ßÖ÷ÒªÓÐÁ½¸ö±í£¬class,news
ÏÖÔÚnews±íÓÐ2.3G£¬35W¶àÌõ¼Ç¼£¬ÎҵIJéѯ´ó²¿·ÖÊÇÒÔÏÂÐÎʽ£¬
select a.*,b.* from news as a inner join class as b
    on a.classid=b.classid
ÆÚÖÐnews ±íÀﻹÓиö nodeµÄ×ֶΣ¬Ò²Òª¼Ó½øselectÀҲ¾ÍÊÇÍêÕûµÄÊÇ
select a.*,b.* from news as a inner join class as b
    on a.classid=b.classid where classid=2 or node like '|2|%'

Ò»¸öÒ³ÃæÖÐÖÁÉÙÓÐ4¸öÕâÑùµÄ²éѯÓï¾ä£¬ÏÖÔÚ»ù±¾ÉÏ´ò²»¿ªÒ³ÃæÁË£¬ÎÒÔÚmysqlÀïÖ±½Ó²éѯҲҪ4·Ö¶àÖÓ£¬ÇëÎÊÓÐʲô°ì·¨ÄÜÓÅ»¯Ò»ÏÂÄØ£¬¿ÉÒÔ´ÓÊý¾Ý¿â»ò³ÌÐòÖж¼ÐС£µ«ÊÇÒ»¸öÎÊÌâ¾ÍÊDz»ÄÜ·Ö±íÁË£¬news ±í¼º¾­²»Äܱ䡣

²¹³äһϣ¬news ±íÖ»ÉèÖÃÁËÖ÷¼üID
1 node,classid ¼ÓË÷Òý
2 limit×Ó¾ä
3 inner join»»left join
4 ÀûÓÃExplain»ñÈ¡µÄÐÅÏ¢À´ÊµÏÖmysqlÓÅ»¯

ºÇºÇ£¬ÄÚÁ¬½ÓÕâô¶àÊý¾Ý²»Âý²Å¹ÖÁË¡£
1.½¨Á¢Ë÷Òý£¬±ÈÈçÄãµÄclassid¡£
2.Èç¹ûÄãµÄ±íÀàÐÍÊÇinnodbÄÇôÇë¸Ä³ÉMyISAM
3.ÕâÑù´óµÄÊý¾Ý²éѯ»¹ÊÇÓô洢¹ý³Ì°É£¬µÚÒ»´ÎÓеãÂý£¬µ«ÒÔºó»á¿ìºÜ¶àµÄ
4.ÖØÐ¼ܹ¹Êý¾Ý¿â

ÒýÓÃ
1 node,classid ¼ÓË÷Òý
2 limit×Ó¾ä
3 inner join»»left join
4 ÀûÓÃExplain»ñÈ¡µÄÐÅÏ¢À´ÊµÏÖmysqlÓÅ»¯
jackeyºÃ¿ìŶ

ÎÒÕâÀï±ß»¹ÓÐÁ½¸ö×ֶΣ¬Ò»¸öÊÇtop int(5)£¬Ò»¸öÊÇisdel int(5)
topÖµÊÇ0-6,isdelÖµÊÇ0 or 1
ÎÒÊDz»ÊÇÒ²½¨Á¢Ë÷Òý»áºÃÒ»µã°¡£¿
»¹ÓУ¬ÎÒÓõÄÊÇMYSQL5

¼ÈÈ»Áª±í²Ù×÷
where classid=2 or node like '|2|%'  classid


Ïà¹ØÎÊ´ð£º

c,c++Á¬½Ómysql ÕÒ²»µ½Í·²¿Îļþ£¨ÐÂÊÖ£©

±àÒëÆ÷£ºC-Free4
mysql µ¥¶À°²×°µÄ£¬ÏÖÔÚΪapache+php+mysql¿ÉÒÔʹÓá£
×î½üÔÚÁ·Ï°c£¬c++£»ÏëÓÃc£¬c++Á¬½ÓÏÂÎÒµÄmysql£¬ºÃ¶àµØ·½¶à˵mysql.hÕÒ²»µ½¡£¶øÇÒÎÒmysqlûÓÐËùνµÄincludeÎļþ¼Ð°¡¡£
Íü¸ßÊÖÖ¸µãÒ»¶ ......

¹ØÓÚ¡¡php webservice¡¡µÄÎÊÌâ - PHP / »ù´¡±à³Ì

¶Ôphp²»ÊǺÜÁ˽â дÁ˸ö¼òµ¥µÄÀý×Ó
ÏÖÓÃc#µ÷ÓÃphpдµÄ webservice£¨soap WSDL£©iis6.0+php5.2.8
webserviceÈçÏÂ
<?php
class WebService
{
  public function Logout()
  {
//header('Co ......

mysqlµÄÁ¬½Ó³¬Ê±Ê±¼äÔõôÉèÖà - VC/MFC / Êý¾Ý¿â

ÎÒÊÇÓÃmysql×Ô´øµÄC API
if(mysql_real_connect(&mysql,"125.0.0.108","root","root","home",3306,NULL,0))

AfxMessageBox("Êý¾Ý¿âÁ¬½Óʧ°Ü") ......

ÈçºÎ¶¨ÆÚɾ³ýmysqlÊý¾Ý - PHP / »ù´¡±à³Ì

ÇëÎÊÏÂÄܲ»ÄÜÔÙwindows϶¨ÆÚÇå¿ÕmysqlÒ»¸ö±íÖеÄÈ«²¿Êý¾Ý£¬ÓÃPHPʵÏÖ£¡
лл¸÷λÁË
¾Í±ÈÈçÒ»¸öÐÇÆÚÇå¿ÕÒ»´Î
±ÈÈçÿ¸öÐÇÆÚÁùÁãµãÇå¿ÕÒ»´Î£¡
ллÁË

¼Æ»®ÈÎÎñ...php....sql...truncate....OK

Äã¾ÍÕâ½ÓÔÚҳà ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ