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php ÖÐÉú³ÉËæ»ú×Ö·û´®µÄ·½·¨
2009-10-20 13:56
ÔÚÒ»Ð©ÌØÊâÓ¦ÓÃÖУ¬ÐèÒªÉú³ÉËæ»ú×Ö·û´®£¬±ÈÈçÉú³ÉÏµÍ³Ëæ»úÃÜÂë»òÕßÊǵǽÑéÖ¤ÂëµÈ£¬±¾ÎĽéÉܵĺ¯ÊýÄܹ»·µ»ØÖ¸¶¨³¤¶ÈµÄËæ»ú×Ö·û´®£¬Ä¬Èϰüº¬´óСд×ÖĸºÍÊý×Ö£¬Äã¿ÉÒÔºÜÈÝÒ×µÄÐÞ¸ÄÒÔ±ã·ûºÏ×Ô¼ºµÄÐèÒª¡£
<?php
// ˵Ã÷£ºphp ÖÐÉú³ÉËæ»ú×Ö·û´®µÄ·½·¨
// ÕûÀí£ºhttp://www.CodeBit.cn
function genRandomString($len)
{
$chars = array(
"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k",
"l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",
"w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G",
"H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",
"S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2",
"3", "4", "5", "6", "7", "8", "9"
);
$charsLen = count($chars) - 1;
shuffle($chars); // ½«Êý×é´òÂÒ
$output = "";
for ($i=0; $i<$len; $i++)
{
$output .= $chars[mt_rand(0, $charsLen)];
}
return $output;
}
$str = genRandomString(25);
$str .= "<br />";
$str .= genRandomString(25);
$str .= "<br />";
$str .= genRandomString(25);
echo $str;
?>


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