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  ÎÒÔÚÉÏһƪÎÄÕÂÖн²µ½Ê¹ÓÃjavascript×ö¼¯³É±íµ¥ÑéÖ¤µÄ·½·¨£¬¶ÔÓÚ¿Í»§¶ËÑéÖ¤ÒѾ­×ã¹»£¬µ«ºÃµÄ±íµ¥Ñé֤ӦͬʱÔÚ¿Í»§¶ËºÍ·þÎñÆ÷¶Ë½øÐЗ—ÕâÕýÊÇд±¾ÎĵÄÄ¿µÄ¡£
    Èç¹û²ÉÓÃÒ»°ãµÄÑéÖ¤·½·¨Ó¦¸ÃÔõÑùÐ´ÄØ£¿
    if ($_POST['some'] ²»Âú×ã condition) {
             die("wrong");
    }
    ÀàËÆÓÚjavascriptµÄ¼¯³ÉÑéÖ¤·½·¨£¬ÔÚPHPÖÐÒ²¿ÉÀûÓÃÊý×éºÍevalÓï¾äʵÏÖ±íµ¥ÑéÖ¤£¨·þÎñÆ÷¶Ë£©¿ò¼Ü¡£Ò»°ã²½Ö裺
    1¡¢½«Óû§Ìá½»µÄÊý¾Ý´Ó$_GET»ò$_POSTÊý×éÊÕ¼¯µ½×Ô¶¨ÒåÊý×飨¿ÉÑ¡£©£¬
    2¡¢Ìî³äÑéÖ¤Êý×飨°üÀ¨±äÁ¿Ãû¡¢Ìõ¼þ¼°ÌáʾµÈ£©£¬
    3¡¢Ìí¼Ó¹Ì¶¨µÄÑéÖ¤´úÂë¡£
    ÏÂÃæÎÒÀ´¾ÙÀý˵Ã÷£¬¼ÙÉèÄãÒª´ÓÍøÒ³ÖÐÊÕ¼¯Óû§ÐÕÃû¼°ÄêÁ䣬²¢ÇÒÔÚ·þÎñÆ÷¶ËʵÏÖÊý¾ÝÑéÖ¤£¬ÄÇôÄã¿ÉÄÜÐèÒªform.htmlºÍact.php¡£form.htmlÖаüº¬±íµ¥£º
    <form method=post action=act.php>
        ÐÕÃû£º<input type=text name='name'><br>
        ÄêÁ䣺<inupt type=text name='uage' ><br>
        <input type=submit value="Ìá½»">
    </form>
    act.phpÖн«ÊµÏÖ±íµ¥µÄÑéÖ¤£º
    $userinfo = array();                 // ²½Öè1
    $userinfo['name'] = isset($_POST['uname']) ? $_POST['uname'] : '';
    $userinfo['age'] = isset($_POST['uage']) ? (int)$_POST['uage'] : 0;
    $error_message = "";           // ´íÎóÐÅÏ¢
    // ²½Öè2
    $elems = array(
        array("\$userinfo['name']", 'strlen(#)<1', 'ÐÕÃû²»ÄÜΪ¿Õ!'),
        // ÈôÊ¡ÂÔ²½Öè1Ôò°´ÈçÏ·½Ê½¸Äд£º
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lighttpd + mysql + php(fast cgi)°²×°ÓëÅäÖÃ

×¼±¸:
lighttpd-1.4.15.tar.gz
php-4.4.2.tar.gz
mysql-5.0.20a.tar.gz
¿ªÊ¼:
1 ±àÒë°²×°lighttpd
 # tar zxvf lighttpd-1.4.15.tar.gz
 # cd lighttpd-1.4.15
 #  ls
 # ./configure --prefix=/usr/local/lighttpd    //´Ë²¿ÎÞ·¨±àÒëʱÌáʾ°²×°prce-devel
 #&nbs ......

phpÁ¬½Ómysql²âÊÔºÍÅäÖÃ


phpÁ¬½Ómysql²âÊÔ´úÂ룺
$link=mysql_connect('localhost','root','123456');
if(!$link) echo "ʧ°Ü!";
else echo "³É¹¦!";
mysql_close();
?>
ÔËÐдúÂë³öÏÖ£ºCall   to   undefined   function   'mysql_connect()'… ʧ°Ü
°Ù¶ÈÕÒµ½½á¹ûÊÇPHP+MYSQL »·¾³Ã ......

RedhatÏ Apache, php, mysqlµÄĬÈϰ²×°Â·¾¶

apache:
Èç¹û²ÉÓÃRPM°ü°²×°£¬°²×°Â·¾¶Ó¦ÔÚ /etc/httpdĿ¼ÏÂ
apacheÅäÖÃÎļþ:/etc/httpd/conf/httpd.conf
ApacheÄ£¿é·¾¶£º/usr/sbin/apachectl
webĿ¼:/var/www/html
Èç¹û²ÉÓÃÔ´´úÂë°²×°£¬Ò»°ãĬÈϰ²×°ÔÚ/usr/local/apache2Ŀ¼ÏÂ
php:
Èç¹û²ÉÓÃRPM°ü°²×°£¬°²×°Â·¾¶Ó¦ÔÚ /etc/Ŀ¼ÏÂ
phpµÄÅäÖÃÎļþ:/etc/php.ini ......

PHP——¼ÆÊýÆ÷1


ÏîÄ¿½á¹¹ÈçÉÏ
´´½¨counter.txtÎļþ
´´½¨counter1.phpÎļþ
³õʼ»¯counter.txtÎļþÖеÄÄÚÈÝ
ÊäÈë“0”
counter1.phpÎļþ´úÂë
<?php
$fp = fopen("counter.txt","r");

if ($str1==false){
$str1 = 0;
}
$str1 = fgets($fp,10);
$str1++;
fclose($fp);

$fp = ......
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