https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/Message_Encryption/Message_encryption_and_decryption.html

php7.0以上版本解密会出现 Uncaught Error: Call to undefined function mcrypt_module_open() in /www/wwwroot/www.chinashared.cn/addons/bh_vote/lib/decrypt/pkcs7Encoder.php:113 Stack trace: #0 希望官方出出一个php7.0以上的加密解密示例