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5年以前  |  阅读数:830 次  |  编程语言:PHP 

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fopen ( string filename, string mode )
²ÎÊýfilenameΪ´´½¨ÎļþÃu
²ÎÊýmodeΪÒÔʲô*½Ê½´o¿ªÎļþfilename
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mode ˵Ã÷

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ÏÂÃae´uÂeÊÇÎÒͨ¹ýÀuÓú¯Êýfopen´´½¨Ò»¸oÃuΪDemo£¬¸ñʽΪtxtµÄÎļþ£¬²¢ÔÚÎļþÖÐдÈe"Welcome To ItCodeWorld!"µÄÊý¾Ý¡£


    < ?php
    //Òª´´½¨µÄÁ½¸oÎļþ
    $TxtFileName = "Demo.txt";
    //ÒÔ¶Áд*½Ê½´oдָ¶¨Îļþ£¬Èç¹uÎļþ²»´aeÔo´´½¨
    if( ($TxtRes=fopen ($TxtFileName,"w+")) === FALSE){
    echo("´´½¨¿ÉдÎļþ£º".$TxtFileName."ʧ°Ü");
    exit();
    }
    echo ("´´½¨¿ÉдÎļþ".$TxtFileName."³É¹¦£¡</br>");
    $StrConents = "Welcome To ItCodeWorld!";//Òª д½øÎļþµÄÄÚÈÝ
    if(!fwrite ($TxtRes,$StrConents)){ //½«ÐÅϢдÈeÎļþ
    echo ("³¢ÊÔÏoÎļþ".$TxtFileName."дÈe".$StrConents."ʧ°Ü£¡");
    fclose($TxtRes);
    exit();
    }
    echo ("³¢ÊÔÏoÎļþ".$TxtFileName."дÈe".$StrConents."³É¹¦£¡");
    fclose ($TxtRes); //¹Ø±ÕÖ¸Õe
    ?>

PHP ´´½¨Îļþ ¨C fopen()
fopen() º¯ÊýÒ²ÓÃÓÚ´´½¨Îļþ¡£Ò²ÐiÓеa»iÂÒ£¬µ«ÊÇÔÚ PHP ÖУ¬´´½¨ÎļþËuÓõĺ¯ÊýÓe´o¿ªÎļþµÄÏaͬ¡£
Èç¹uÄuÓà fopen() ´o¿ª²¢²»´aeÔÚµÄÎļþ£¬´Ëº¯Êý»a´´½¨Îļþ£¬¼Ù¶¨Îļþ±»´o¿ªÎªÐ´Èe£¨w£(C)»oÔo¼Ó£¨a£(C)¡£
ÏÂÃaeµÄÀý×Ó´´½¨ÃuΪ "testfile.txt" µÄÐÂÎļþ¡£´ËÎļþ½«±»´´½¨ÓÚ PHP ´uÂeËuÔÚµÄÏaͬĿ¼ÖУº
ʵÀý
$myfile = fopen("testfile.txt", "w")
PHP ÎļþȨÏÞ
Èç¹uÄuÊÔͼÔËÐÐÕa¶Î´uÂeʱ¢Éu´iÎo£¬Çe¼i²eÄuÊÇñÓÐÏoÓ²ÅÌдÈeÐÅÏ¢µÄ PHP ÎļþÃÎÊȨÏÞ¡£
PHP дÈeÎļþ ¨C fwrite()
fwrite() º¯ÊýÓÃÓÚдÈeÎļþ¡£
fwrite() µÄµÚÒ»¸o²ÎÊý°uº¬ÒªÐ´ÈeµÄÎļþµÄÎļþÃu£¬µÚ¶þ¸o²ÎÊýÊDZ»Ð´µÄ×Ö
u´®¡£
ÏÂÃaeµÄÀý×Ó°ÑÐÕÃuдÈeÃuΪ "newfile.txt" µÄÐÂÎļþÖУº
ʵÀý


    <?php
    $myfile = fopen("newfile.txt", "w") or die("Unable to open file!");
    $txt = "Bill Gates\n";
    fwrite($myfile, $txt);
    $txt = "Steve Jobs\n";
    fwrite($myfile, $txt);
    fclose($myfile);
    ?>

Çe×¢Òa£¬ÎÒÃÇÏoÎļþ "newfile.txt" дÁËÁ½´Î¡£ÔÚÿ´ÎÎÒÃÇÏoÎļþдÈeʱ£¬ÔÚÎÒÃÇ¢Ë͵Ä×Öu´® $txt ÖУ¬µÚÒ»´Î°uº¬ "Bill Gates"£¬µÚ¶þ´Î°uº¬ "Steve Jobs"¡£ÔÚдÈeÍe³Éºo£¬ÎÒÃÇʹÓà fclose() º¯ÊýÀ´¹Ø±ÕÎļþ¡£
Èç¹uÎÒÃÇ´o¿ª "newfile.txt" Îļþ£¬ËuÓ¦¸ÃÊÇÕaÑuµÄ£º
Bill Gates
Steve Jobs

PHP ¸²¸Ç£¨Overwriting£(C)

Èç¹uÏÖÔÚ "newfile.txt" °uº¬ÁËÒ»Ð(C)Êý¾Ý£¬ÎÒÃÇ¿ÉÒÔչʾÔÚдÈeÒÑÓÐÎļþʱ*¢ÉuµÄµÄÊÂÇe¡£ËuÓÐÒÑ´aeÔÚµÄÊý¾Ý»a±»²Á³ý²¢ÒÔÒ»¸oÐÂÎļþ¿ªÊ¼¡£
ÔÚÏÂÃaeµÄÀý×ÓÖУ¬ÎÒÃÇ´o¿ªÒ»¸oÒÑ´aeÔÚµÄÎļþ "newfile.txt"£¬²¢ÏoÆaÖÐдÈeÁËÒ»Ð(C)ÐÂÊý¾Ý£º
ʵÀý


    <?php
    $myfile = fopen("newfile.txt", "w") or die("Unable to open file!");
    $txt = "Mickey Mouse\n";
    fwrite($myfile, $txt);
    $txt = "Minnie Mouse\n";
    fwrite($myfile, $txt);
    fclose($myfile);
    ?>

Èç¹uÏÖÔÚÎÒÃÇ´o¿ªÕa¸o ¡°newfile.txt¡± Îļþ£¬Bill ºÍ Steve ¶¼ÒÑÏuʧ£¬Ö»Ê£ÏÂÎÒÃǸÕдÈeµÄÊý¾Ý£º

Mickey Mouse
Minnie Mouse

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¡®\n' 10 »»ÐУ¨newline£(C)
¡®\r' 13 »Ø³µ£¨return£(C)

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