标签:style http io os java 数据 div sp cti
在整理新框架的时候,发现对于一些缓存数据,需要对外的接口访问,而比较方便的是php的接口,所以临时研究了下php如何连接java服务端。
<?phprequire_once ‘CRC16.php‘;/*----------------------------- | 向服务器发送数据包 ------------------------------*/classServer{//发送数据包publicstaticfunction sendPacket($packet, $host, $port){ $protocol =‘tcp‘; $get_prot = getprotobyname ( $protocol );//创建socket $socket = socket_create ( AF_INET, SOCK_STREAM, $get_prot );//建立连接 $conn = socket_connect ( $socket, $host, $port );if(!$conn){ socket_close($socket);exit("socket connect failed!");} $buffer =@socket_read($socket,9, PHP_NORMAL_READ); $crcCode =(ord($buffer[7])<<8)+ord($buffer[8]); $len = strlen($packet); $newpacket = CRC16::encode($packet, $crcCode,4); socket_send ( $socket, $newpacket, $len,0);//等待接受 $head =@socket_read($socket,4,PHP_NORMAL_READ); $len =(ord($head[0])<<24)+(ord($head[1])<<16)+(ord($head[2])<<8)+ord($head[3]); $content =@socket_read($socket,$len-4,PHP_NORMAL_READ); socket_close ( $socket );return substr($content,3);}publicstaticfunction packet($group,$cmd,$message){ $size = strlen($message)+8; $str =‘‘; $str .=self::writeInt($size); $str .=self::writeByte(0); $str .=self::writeByte($group); $str .=self::writeByte($cmd); $str .=self::writeByte(1); $str .= $message;return $str;}//写进2个byte的数据privatestaticfunction writeShort($s){return pack ("n", $s );}//写进4个byte的数据privatestaticfunction writeInt($N){return pack ("N", $N );}//写进1个byte的数据privatestaticfunction writeByte($b){return pack ("c", $b );}}标签:style http io os java 数据 div sp cti
原文地址:http://www.cnblogs.com/chzcb/p/3978116.html