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ÎļþÉÏ´«,Ò»°ã·ÖΪÁ©ÖÖ·½Ê½FTPºÍHTTP, ¶ÔÓÚÎÒÃǵĻ¥ÁªÍøÓ¦ÓÃÀ´Ëµ: FTPÉÏ´«ËäÈ»´«ÊäÎȶ¨, µ«ÊÇÒ×ÓÃÐԺͰ²È«ÐÔ¶¼ÊǸöÎÊÌâ. Äã×ܲ»ÖÁÓÚÔÚÓû§ÒªÉÏ´«Í·ÏñµÄʱºò¸æËßÓû§”Çë´ò¿ªFTP¿Í»§¶Ë,ÉÏ´«Îļþµ½http://www.laruence.com/uploads/ÖÐ, ²¢ÒÔ2dk433423l.jpgÃüÃû”°É?
¶ø»ùÓÚHTTPµÄÉÏ´«,Ïà¶ÔÀ´ËµÒ×ÓÃÐԺͰ²È«ÐÔÉϾͱÈFTPÒªÔöÇ¿Á˺ܶà. ¿ÉÒÔÓ¦ÓõÄÉÏ´«·½Ê½ÓÐPUT, WEBDAV, ºÍRFC1867ÈýÖÖ, ±¾ÎĽ«·ÖÎöÔÚPHPÖÐ,ÊÇÈçºÎ»ùÓÚRFC1867ʵÏÖÎļþÉÏ´«µÄ.
RFC1867
RCF1867ÊÇForm-based File Upload in HTML±ê׼ЭÒé, RFC1867±ê×¼¶ÔHTML×ö³öÁËÁ½´¦Ð޸ģº
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1 ΪinputÔªËØµÄtypeÊôÐÔÔö¼ÓÁËÒ»¸öfileÑ¡Ïî¡£
2 input±ê¼Ç¿ÉÒÔ¾ßÓÐacceptÊôÐÔ£¬¸ÃÊôÐÔÄܹ»Ö¸¶¨¿É±»ÉÏ´«µÄÎļþÀàÐÍ»òÎļþ¸ñʽÁÐ±í¡£
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ÁíÍ⣬±¾±ê×¼»¹¶¨ÒåÁËÒ»ÖÖеÄmimeÀàÐÍ£ºmultipart/form-data£¬ÒÔ¼°µ±´¦ÀíÒ»¸ö´øÓÐenctype=”multipart/form-data” ²¢ÇÒ/»òº¬ÓÐ<input type=”file”>µÄ±ê¼ÇµÄ±íµ¥Ê±ËùÓ¦¸Ã²ÉÈ¡µÄÐÐΪ¡£
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¾ÙÀýÀ´Ëµ£¬µ±HTMLÏëÈÃÓû§Äܹ»ÉÏ´«Ò»¸ö»ò¸ü¶àµÄÎļþʱ£¬Ëû¿ÉÒÔÕâôд£º
<form enctype="multipart/form-data" action="upload.php" method=post>
Ñ¡ÔñÎļþ:
<input name="userfile" type="file">
ÎļþÃèÊö:
<input name="description" type="text">
<input type="submit" value="ÉÏ´«">
</form>
Õâ¸ö±íµ¥, ´ó¼ÒÒ»¶¨²»Ä°Éú, ¶ø¶ÔÓÚPHPÀ´Ëµ, Ëü×Ô¼ºÁíÍⶨÒåÁËÒ»¸öĬÈÏ±íµ¥ÔªËØMAX_FILE_SIZE, Óû§¿ÉÒÔͨ¹ýÕâ¸öÒþ²ØµÄ±íµ¥ÔªËØÀ´½¨ÒéPHP×î¶àÖ»ÈÝÐíÉÏ´«ÎļþµÄ´óС, ±ÈÈç¶ÔÓÚÉÏÃæµÄÀý×Ó, ÎÒÃÇÏ£ÍûÓû§ÉÏ´«µÄÎļþ²»ÄÜ´óÓÚ5000(5k)×Ö½Ú, ÄÇô¿ÉÒÔÈçÏÂд:
<form enctype="multipart/form-data" action="upload.php" method=post>
<input type="hidden" value="5000" name="MAX_FILE_SIZE"> <!--Îļþ´óС-->
Ñ¡ÔñÎļþ:
<input name="userfile" type="file">
ÎļþÃèÊö:
<input name="description" type="text">
<input type="submit" value="ÉÏ´«">
</form>
¹ÃÇÒ²»Ëµ, Õâ¸öMAX_FILE_SIZEÊǶàôµÄ²»¿É¿¿(ËùÒÔ»ùÓÚä¯ÀÀÆ÷µÄ¿ØÖÆ,¶¼ÊDz»¿É¿¿µÄ), µ¥´¿´ÓʵÏÖÀ´½², ÎÒ»áÂýÂý½éÉÜÕâ¸öMAX_FILE_SIZEÊÇÈçºÎÆð×÷ÓõÄ.
µ±Óû§Ñ¡ÔñÁËÒ»¸öÎļþ(laruence.txt), ²¢ÌîдºÃÎļþÃèÊö(”laruenceµÄ¸öÈ˽éÉÜ”), µã»÷ÉÏ´«ºó, ·¢ÉúÁËÊ²Ã´ÄØ?
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