´ó¼Ò¿´¿´ÎÒµÄphpдµÄΪɶ²»¶Ô°¡£¿ - PHP / »ù´¡±à³Ì
ÌùÁ˲¿·Ö´úÂ룬¿´ÒÔϼӴֲ¿·ÖŶ~~¸³Öµ~class_id²»ÄÜÑ»·¸øidd~µ¼ÖÂÏÂÃæµÄ²éѯ£¬¾ÍÏÔʾһÌõ~
<?php
$str1="select class_id from class";
$result=mysql_query($str1,$link_id);
$idd='$class_id';
if(!empty($_GET['page'])) $page = $_GET['page'];
else $page = 1;
$pagesize = 30;
if ($xlb =="" and $username=="") {
$str="select count(*) as amount from base";}
elseif ($xlb!="" and $username=="") {
$str="select count(*) as amount from base where xlb='$xlb'";}
elseif($xlb=="" and $username!="") {
$str="select count(*) as amount from base where username='$username' and id='$idd'";}
$rs=mysql_fetch_array(mysql_query($str,$link_id));
$amount=$rs['amount'];
$totlepage=ceil($amount/$pagesize);
if ($xlb =="" and $username=="") {
$str="select * from base order by id DESC limit ".($page-1)*$pagesize.",$pagesize";}
elseif ($xlb!="" and $username=="") {
$str="select * from base where xlb='$xlb' order by record_time DESC limit ".($page-1)*$pagesize.",$pagesize";}
elseif($xlb=="" and $username!=""){
$str="select * from base where username='$username' and id='$idd' order by id DESC limit ".($page-1)*
Ïà¹ØÎÊ´ð£º
Çë¸ßÊÖÃǸø½éÉܼ¸±¾ºÃÊ飡
ÊÖ²áºÜÖØÒªµÄàÞ£¡~
ÎÒ¶¼ÊÇÐÂÊÖ Ò»Æë¼ÓÓÍ
Ò»°ã¶¼ÊÇÊÖ²áµÄÀ²£¬ÔÙ¼ÓÉÏÒ»±¾ÊµÀý½²½â
php´ÓÈëÃŵ½¾«Í¨ Õâ±¾ÊéÀïÓкöà´íµÄµØ·½¡£
È¥ÂòÊ¥¾°É£¬ÄDZ¾Ê黹²»´í£¬ÁíÍâÄǸö18.8MµÄÊÖ²áÒ ......
±±¾©2ÄêPHP¾ÑéÇó¼æÖ°
½Ó·Ö
·¹ý½Ó·Ö£¡.¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£
jf~~~~~~~~~~~~~~Ö§³Ö
ßÀ¡£¡£ÎÒÃÇÐèÒª¼æÖ°£¬¿ÉÊÇÔõôÁªÏµÄãѽ£¿
¶¥¡£¡£¡£ »Ø¸´ÄÚÈÝ »Ø¸´ÄÚÈÝÌ«¶ÌÁË£¡
º¼ÖÝÄãÈ¥²»È¥°¡ ¡£¡£¡£¡£¡ ......
×î½üÒ»¸öÏîÄ¿ÖÐÓöµ½Ò»¸öÎÊÌ⣺ÔÚÔÓеÄÒ»Ì×ϵͳÖÐ(php¿ª·¢)Ìí¼ÓһЩС¹¦ÄÜ(jsp¿ª·¢)£¬ÔÀ´Óû§ÏµÍ³¶¼ÊÇphp¿ª·¢µÄ£¬ÎÒÈçºÎÔÚjsp¿ª·¢µÄ¹¦ÄÜÖÐ×öµ½Óû§ÐÅÏ¢sessionͬ²½ÄØ£¿ ÓÐÈËÊÇ·ñÓÐ×ö¹ýÀàÒÔÏîÄ¿£¬ÏëÌýÌý´ó¼ÒµÄ¿´·¨
......
PHPÖÐ ÉùÃ÷±äÁ¿µÄʱºòÒ»¸ö$¸úÁ½¸ö$µÄÇø±ð
±ÈÈç˵
$var="333"; ±íʾ±äÁ¿ÃûΪ$varµÄ±äÁ¿µÄֵΪ333
$var="myvar";$$var="333";±íʾ±äÁ¿ÃûΪ$myvarµÄ±äÁ¿µÄֵΪ333
ÕâÑù˵Çå³þÁËÂð£¿
......