PHP 于Java AES 加密解密，需要删除填充值。

//PHP 解密Java

<?php

class AESMcrypt {

public $iv = null;
public $key = null;
public $bit = 128;
private $cipher;

public function __construct($bit, $key, $iv, $mode) {
if(empty($bit) || empty($key) || empty($iv) || empty($mode))
return NULL;

$this->bit = $bit;
$this->key = $key;
$this->iv = $iv;
$this->mode = $mode;

switch($this->bit) {
case 192:$this->cipher = MCRYPT_RIJNDAEL_192; break;
case 256:$this->cipher = MCRYPT_RIJNDAEL_256; break;
default: $this->cipher = MCRYPT_RIJNDAEL_128;
}

switch($this->mode) {
case 'ecb':$this->mode = MCRYPT_MODE_ECB; break;
case 'cfb':$this->mode = MCRYPT_MODE_CFB; break;
case 'ofb':$this->mode = MCRYPT_MODE_OFB; break;
case 'nofb':$this->mode = MCRYPT_MODE_NOFB; break;
default: $this->mode = MCRYPT_MODE_CBC;
}
}

public function encrypt($data) {
return base64_encode(mcrypt_encrypt( $this->cipher, $this->key, $data, $this->mode, $this->iv));
}

public function decrypt($data, $ascii = false) {
return $ascii ?
mcrypt_decrypt( $this->cipher, $this->key, base64_decode($data), $this->mode, $this->iv)
:rtrim(rtrim(mcrypt_decrypt( $this->cipher, $this->key, base64_decode($data), $this->mode, $this->iv), "\x00..\x1F"));
}

}