dz̸PHP Cookie´¦Àíº¯Êý

(o(C)b¨Œ(C)b)o¡i[BINGO!]

ok£¬ÎÒÃÇÏÈ¿´¿´cookieÊÇʲô¶«¶«£¿

cookieÊÇþÎñÆ÷ÁoÔÚ¿Í»§¶ËµÄÓÃÓÚʶ±ðÓû§»oÕß´ae´¢Ò»Ð(C)Êý¾ÝµÄСÎļþ£¨×¢Òa£¬session´ae´¢ÔÚþÎñÆ÷¶Ë£¬ÕaÊÇÁ½ÕßµÄÇø±ðÖ®Ò»£(C)¡£ÎÒÃÇƽʱµÇ¼ijÃÅ»§Ê±£¬»aÓÐÑ¡Ïi¡°ÊÇñ±£´aeµÇ¼¡±»oÕß¡°Ï´Î×Ô¶¯µÇ¼¡±£¬µ±ÎÒÃǹ´Ñ¡ÁËÖ®ºo£¬þÎñÆ÷¾Í»aÔÚÎÒÃǵÄa¯ÀÀÆ÷´´½¨cookieÎļþÀ´±£´aeÎÒÃǵÄÐÅÏ¢¡£Ã¿µ±¼ÆËa»uͨ¹ýa¯ÀÀÆ÷ÇeÇoÒ³Ãaeʱ£¬Ëu»aͬʱ*¢ËÍcookie¡£Í¨¹ýPHP£¬¿ÉÒÔ´´½¨²¢È¡»ØcookieµÄÖµ¡£cookieÔÚwebÖÐÊǺÜÖØÒªµÄ½ÇÉ«£¬ÔçÔÚÍø¾°a¯ÀÀÆ÷µÄʱºo¾Í²uÉuÁËcookie¡£cookie¾­³£±»ÓÃÓÚÓû§Ñe֤ϵͳ¡£

1.´´½¨cookie

º¯Êýsetcookie()¿ÉÒÔÔÚPHPÖÐÉu³Écookie¡£ÓÉÓÚcookieÊÇHTTPͱe²¿ÖµÄÄÚÈÝ£¬Òo´Ë±ØÐeÔÚÊa³oÈκÎÊý¾Ý֮ǰµ÷ÓÃsetcookie()£¬Õa¸oÏÞÖƺÍheader()ÀaËÆ£¬¶¨Òa£º

    bool setcookie( string name[,string value][,int expire][,string path][,string domain][,bool secure][,bool httponly])

ºÃ¶a²ÎÊý°¡£¡¦²(¡Ñ¨Œ¡Ñ"a ²»¼±£¬ÈÃÎÒÃÇ¿´¿´¸÷¸o²ÎÊýµÄ×÷Óãº

name : ±ØÑ¡£¬±iʾcookieµÄÃu×Ö¡£

value £º ¿ÉÑ¡£¬±iʾcookieÖµ£¬´ae´¢ÔÚ¿Í»§¶Ë£¬µ±Îª¿Õʱ£¬±iʾ³*Ïu¿Í»§¶ËÖиÃcookieµÄ×ÊÁÏ£¨ÕaÑu¿ÉÒÔɾ³ýcookie£(C)¡£

expire £º ¿ÉÑ¡£¬±iʾcookieµÄÓÐЧ½Øֹʱ¼a£¬Ò²¾ÍÊǹýÆÚʱ¼a£¬Èç¹uûÓÐÖ¸¶¨»oÕßÖ¸¶¨Îª0£¬ÄÇôͨ³£ÊÇÔڹرÕa¯ÀÀÆ÷ʱʧЧ¡£

path £º ¿ÉÑ¡£¬cookieÓÐЧÂ*¾¶¡£

domain £º ¿ÉÑ¡£¬cookieÓÐЧÓoÃu¡£

secure £º ±iʾÔÚHTTPSµÄ°²È«´«Êaʱ²ÅÓÐЧ¡£

ʵÀý(½¨Á¢Ò»¸oÃu×ÖΪtest£¬ÖµÎªChinaµÄcookie)£º

    <?php
    setcookie("test",China");
    ?>

ʹÓÃsetcookie()¸øµÄÖµÖ»ÄÜÊÇÊý×Ö»oÕß×Ö*u´®£¬²»ÄÜÊÇÆaËuµÄ¸´ÔÓ½a¹¹¡£

2.»ñÈ¡cookie

´´½¨cookieºo£¬¾Í¿ÉÒÔʹÓÃÔ¤¶¨Òa±aÁ¿$_COOKIEÀ´»ñÈ¡cookie¡£²»¹ý£¬Ö»ÄÜÔÚÆaËuÒ³Ãae»ñÈ¡cookie£¬ÒoΪÔÚphpÖУ¬±»ÉeÖõÄcookie²»»aÔÚ±¾Ò³ÃaeÉuЧ£¬³ý*ǸÃÒ³Ãae±»Ë¢Ð¡£

ʵÀý£º

    <?php
     setcookie("test","China");
     echo "cookie is ".$_COOKIE["test"];
     ?>

ÕaÀiÖ®ËuÒÔҪˢÐÂÒ³Ãae£¬ÊÇÒoΪcookieµÄÖµ²»»aÔÚµ÷ÓÃsetcookie()Ö®ºoÁ¢¼´´ae´¢ÔÚ C OOKIE±aÁ¿ÖУ¬¶øÊÇËae×ÅhttpÇeÇo±»¢ËÍÖÁþÎñÆ÷£¬ÕaʱºocookieµÄÖµ²Å»a³oÏÖÔÚ _COOKIEÖС£

3.cookieµÄÓÐЧÆÚ

cookieÓÐÉuÃuÖÜÆÚ£¬Ò²¾ÍÊÇcookie´aeÔÚµÄÓÐЧʱ¼a¡£¿ÉÒÔÉeÖõÚÈý¸o²ÎÊýÀ´ÉeÖÃÓÐЧʱ¼a¡£

ʵÀý£¨ÉeÖÃcookieÓÐЧʱ¼aµÄ¼¸ÖÖ*½Ê½£(C)£º

    setcookie("cookie_one","A",time()+60*60);    //cookieÔÚһСʱºoʧЧ
    setcookie("cookie_two","B",time()+60*60*24);  //cookieÔÚÒ»ÌiºoʧЧ
    setcookie("cookie_three","C",mktime(23,53,19,10,09,2020));  //cookieÔÚ2020Äe10ÔÂ9ÈÕ23ʱ53*Ö19ÃeʧЧ
    setcookie("cookie_four","D");   //¹Ø±Õa¯ÀÀÆ÷ºocookieʧЧ 

*4.cookieµÄÓÐЧ¾¶**

cookieÖеľ¶ÓÃÀ´¿ØÖÆÉeÖõÄcookieÔÚÄĸo¾¶ÏÂÓÐЧ£¬Ä¬ÈÏΪ'/'£¬ÔÚËuÓо¶Ï¶¼ÓÐЧ£¬Ò²¾ÍÊÇÔÚÕu¸oþÎñÆ÷ÓoÃu϶¼ÓÐЧ£¬µ±Ée¶¨ÁËÆaËu¾¶Ö®ºo£¬ÔoÖ»ÔÚÉe¶¨µÄ¾¶ÒÔ¼°×ÓÂ*¾¶ÏÂÓÐЧ£¬ÀýÈ磺

    setcookie('test', time(), 0, '/path');

ÉÏÃaeµÄÉeÖûaʹtestÔÚ/pathÒÔ¼°×ÓÂ*¾¶/path/abc϶¼ÓÐЧ£¬µ«ÊÇÔÚ¸uĿ¼Ï¾ͶÁÈ¡²»µ½testµÄcookieÖµ¡£

Ò»°aÇe¿oÏ£¬´o¶aÊÇʹÓÃËuÓо¶µÄ£¬Ö»ÓÐÔÚ¼«ÉÙÊýÓÐÌØÊaÐeÇoµÄʱºo£¬»aÉeÖþ¶£¬ÕaÖÖÇe¿oÏÂÖ»ÔÚÖ¸¶¨µÄÂ*¾¶ÖвŻa´«µÝcookieÖµ£¬¿ÉÒÔ½ÚÊ¡Êý¾ÝµÄ´«Êa£¬ÔoÇ¿°²È«ÐÔÒÔ¼°Ìa¸ßÐÔÄÜ¡£

5.ɾ³ýcookie

ɾ³ýcookie±È½Ï¼oµ¥£¬Ò²ÊÇͨ¹ýsetcookie()À´ÊµÏֵģ¨²»ÒªÊ¹ÓÃunset()!!!£(C)ÏÂÃaeµÄ´uÂe¾ÍÊǸo¼oµ¥Àý×Ó£º

    setcookie("test","");

ͨ¹ý½«µÚ¶þ¸o²ÎÊýÉeΪ¿ÕÀ´´iµ½É¾³ýcookieµÄÄ¿µÄ¡£Èç¹uÉeÖÃcookieʱ£¬ÎªcookieÌa¹(C)ÁËÌض¨µÄÖµ£¬ÄÇôÔÚɾ³ýcookieʱ£¬ÈÔÈ»ÐeÒªÌa¹(C)ÕaÐ(C)²ÎÊý£¬ÒÔ±aPHP¿ÉÒÔÕýÈ*µØɾ³ýcookie¡£

ÒÔÉÏÕaƪdz̸PHP Cookie´¦Àiº¯Êý¾ÍÊÇС±a*ÖÏi¸ø´o¼ÒµÄÈ«²¿ÄÚÈÝÁË£¬Ï£ÍuÄܸø´o¼ÒÒ»¸o²Î¿¼£¬Ò²Ï£Íu´o¼Ò¶a¶aÖ§³Ö½Å±¾Ö®¼Ò¡£