会python真的可以为所欲为0(回)
351天前
这里还有人吗1(回)
536天前这里还有人吗0(回)
536天前
每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
761天前到处都是羊，不想上班0(回)
841天前
鸽子
0(回)
845天前<?php |
/** |
* 可加密64编码解码,用于对ID的编码解码 |
*/ |
class code { |
private $key = null; |
function __construct($key) { |
$this->key = $key; |
} |
/** |
* 对数字编码 |
*/ |
function encode($value) { |
$x = sprintf("%d", intval($value) ^ intval($this->key)); |
$y = $this->encode_b64(intval($x)); |
return $y; |
} |
/** |
*解码 |
*/ |
function decode($pwd) { |
$pwd = $this->decode_b64($pwd); |
$re = strval(intval($pwd) ^ intval($this->key)); |
return $re; |
} |
/** |
* 重置密钥 |
*/ |
function reset_key($key) { |
$this->key = $key; |
} |
/** |
* 64进位编码 |
*/ |
public function encode_b64($n) { |
$table = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_'; |
$result = array(); |
$temp = $n; |
if (0 == $temp) { |
$result[] = '0'; |
} else { |
while (0 < $temp) { |
$result[] = $table[$temp % 64]; |
$temp = intval($temp / 64); |
} |
} |
//反转数组 |
krsort($result); |
return implode('', $result); |
} |
/** |
* 64进位解码 |
*/ |
public function decode_b64($str) { |
$table = array("0" => 0, "1" => 1, "2" => 2, "3" => 3, "4" => 4, "5" => 5, |
"6" => 6, "7" => 7, "8" => 8, "9" => 9, |
"a" => 10, "b" => 11, "c" => 12, "d" => 13, "e" => 14, "f" => 15, "g" => 16, |
"h" => 17, "i" => 18, "j" => 19, "k" => 20, "l" => 21, "m" => 22, "n" => 23, |
"o" => 24, "p" => 25, "q" => 26, "r" => 27, "s" => 28, "t" => 29, "u" => 30, |
"v" => 31, "w" => 32, "x" => 33, "y" => 34, "z" => 35, |
"A" => 36, "B" => 37, "C" => 38, "D" => 39, "E" => 40, "F" => 41, "G" => 42, |
"H" => 43, "I" => 44, "J" => 45, "K" => 46, "L" => 47, "M" => 48, "N" => 49, |
"O" => 50, "P" => 51, "Q" => 52, "R" => 53, "S" => 54, "T" => 55, "U" => 56, |
"V" => 57, "W" => 58, "X" => 59, "Y" => 60, "Z" => 61, |
"-" => 62, "_" => 63); |
$result = 0; |
foreach (range(0, strlen($str) - 1) as $i) { |
$result *= 64; |
$result += $table[$str[$i]]; |
} |
return $result; |
} |
} |
$d = new code('123123'); |
echo $d->encode(222584587), "\\n"; |
echo $d->decode('dhr_U'), "\\n"; |
$d = new code('333333'); |
echo $d->encode(222584587), "\\n"; |
echo $d->decode('dgkAu'), "\\n"; |
//该片段来自于http://yuncode.net |
