mcrypt_create_iv() windows不支持

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A PHP Error was encountered

Severity: Warning

Message: mcrypt_create_iv() [function.mcrypt-create-iv]: Cannot open source device

Filename: libraries/Encryption.php

Line Number: 403

Backtrace:

File: E:\APMServ-v5.2.6\APMServ5.2.6\www\htdocs\public_html\application\libraries\Yll_mcrypt.php
Line: 26
Function: encrypt

File: E:\APMServ-v5.2.6\APMServ5.2.6\www\htdocs\public_html\application\controllers\Welcome.php
Line: 20
Function: entoken

File: E:\APMServ-v5.2.6\APMServ5.2.6\www\htdocs\public_html\index.php
Line: 315
Function: require_once