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< ? php
namespace LaneWeChat\Core\Aes ; // 定义命名空间，用于组织代码
class WXBizMsgCrypt // 定义WXBizMsgCrypt类
{
private $token ; // 微信Token
private $encodingAesKey ; // 微信EncodingAESKey
private $appId ; // 微信AppId
// 类构造函数，
public function __construct ( $token , $encodingAesKey , $appId )
{
$this -> token = $token ;
$this -> encodingAesKey = $encodingAesKey ;
$this -> appId = $appId ;
}
// 加密消息方法
public function encryptMsg ( $replyMsg , $timeStamp , $nonce , & $encryptMsg )
{
$pc = new Prpcrypt ( $this -> encodingAesKey ); // 实例化Prpcrypt类，
$array = $pc -> encrypt ( $replyMsg , $this -> appId ); // 调用encrypt方法进行消息加密
$ret = $array [ 0 ]; // 获取加密结果的状态码
if ( $ret != 0 ) {
return $ret ; // 如果加密失败，返回错误码
}
// 省略了后续代码，但通常这里会将加密后的消息、时间戳、随机数等信息
// 格式化为XML格式，
}
}
?>
