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

php ¶ÁÈ¡ÎļþÍ·²¿Á½¸ö×Ö½Ú ÅжÏÎļþµÄʵ¼ÊÀàÐÍ


    function checkFileType($fileName){
        $file     = fopen($fileName, "rb");
        $bin      = fread($file, 2); //Ö»¶Á2×Ö½Ú
        fclose($file);
        $strInfo  = @unpack("C2chars", $bin);// CΪÎÞ·ûºÅÕûÊý£¬ÍøÉÏËѵ½µÄ¶¼ÊÇc£¬ÎªÓзûºÅÕûÊý£¬ÕâÑù»á²úÉú¸ºÊýÅжϲ»Õý³£
        $typeCode = intval($strInfo['chars1'].$strInfo['chars2']);
        $fileType = '';
        if($typeCode == 255216 /*jpg*/ || $typeCode == 7173 /*gif*/ || $typeCode == 13780 /*png*/) {
            return true;
        }else{
            return false;
        }
    }


Ïà¹ØÎĵµ£º

PHP Session Á½ÖÖ²»Í¬´æ´¢·½Ê½

ת×Ô£ºhttp://www.cmsgp.org/article/3.html PHP SessionʹÎÒÃÇÄܹ»½«Óû§µÄÊý¾Ý±£´æÔÚ·þÎñÆ÷¶Ë¡£µ«ÊÇSessionÊý¾ÝÊÇÁÙʱµÄ£¬²¢ÇÒͨ³£µ±Óû§¹Ø±Õä¯ÀÀÆ÷ʱ£¬±£´æSession idµÄCookie¾Í»á±»É¾³ý£¬Ïà¹ØµÄSessionÊý¾ÝÒ²½«Òò´Ë¶ªÊ§¡£µ±È»£¬ÎÒÃÇ¿ÉÒÔͨ¹ýÐÞ¸Äsession.cookie_lifetimeÕâ¸ö²ÎÊýÀ´¿ØÖÆCookieÓÐЧʱ¼ä¡£
PHP Sessi ......

PHPÕýÔò±í´ïʽ°Ù¿Æ

»ù±¾¸ÅÄî
Ò»¸öÕýÔò±í´ïʽͨ³£±»³ÆÎªÒ»¸öģʽ (pattern)£¬ÎªÓÃÀ´ÃèÊö»òÕ߯¥ÅäһϵÁзûºÏij¸ö¾ä·¨¹æÔòµÄ×Ö·û´®¡£ÀýÈ磺Handel¡¢Händel ºÍ Haendel ÕâÈý¸ö×Ö·û´®£¬¶¼¿ÉÒÔÓÉ“H(a|ä|ae)ndel”Õâ¸öģʽÀ´ÃèÊö¡£´ó²¿·ÖÕýÔò±í´ïʽµÄÐÎʽ¶¼ÓÐÈçϵĽṹ£º
Ñ¡Ôñ| ÊúÖ±·Ö¸ô·û´ú±íÑ¡Ôñ¡£ÀýÈç“gray|grey&rd ......

[Ô­´´] PHP ¼æÈÝ Curl/Socket/Stream µÄ HTTP ²Ù×÷Àà

<?php
/************************************************************
* ÃèÊö£ºHTTP²Ù×÷Àà
* ×÷Õߣºheiyeluren
* ´´½¨£º2009/12/13 04:43
* Ð޸ģº2009/12/16 10:30 ʵÏÖ»ù±¾HTTP¸÷ÖÖ½Ó¿Ú²Ù×÷Ö§³Ö
*
************************************************************/
/**
* HTTP¹¦Äܹ¤³§·½·¨Àà
......

Apache¡¢Tomcat¡¢IIS£¨PHP¡¢JSP¡¢ASP£©¹²´æÊ±µÄÉèÖÃ

1¡¢·Ö±ð°²×°Èý¸ö»·¾³£¬²¢ÉèÖò»Í¬¶Ë¿Ú
PHP:80
JSP:8080
ASP:8081
2¡¢ÉèÖÃ/Apache2/conf/httpd.conf
È¥µôÒÔÏÂÈýÐÐǰµÄ×¢ÊÍ£º
LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_connect_module modules/mod_proxy_connect.so
LoadModule proxy_http_module modules/mod_proxy_http.so
¼ÓÈëÒÔϼ¸ÐУº ......

phpÊä³öcsvºÍexcelÁ½ÖÖ·½·¨

1£¬¶¨Òåheader()Í·²¿Êä³ö¸ñʽ
   
   header("Content-type:application/vnd.ms-excel");
   header("Content-Disposition:finlename=php.xls");
    vnd.ms-excel -----¶¨ÒåÊä³öÎļþ¸ñ
    php.xls  ---------¶¨ÒåÊä³öµÄÎļþÃû
2£¬Êä³ö±à ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ