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php 5,需要打开socket扩展
//socke操作类 class Socket { private $host;//连接socket的主机 private $port;//socket的端口号 private $error=array(); private $socket=null;//socket的连接标识 private $queryStr="";//发送的数据 public function __construct($host,$port) { if(!extension_loaded("sockets")){ exit("请打开socket扩展 "); } if(empty($host)) exit("请输入目标地址"); if(empty($port)) exit("请输入有效的端口号"); $this->host=$host; $this->port=$port; $this->CreateSocket();//创建连接 } //创建socket private function CreateSocket(){ !$this->socket&&$this->socket=socket_create(AF_INET, SOCK_STREAM, SOL_TCP);//创建socket $r=@socket_connect($this->socket,$this->host,$this->port); if($r){ return $r; }else{ $this->error[]=socket_last_error($this->socket); return false; } } //向socket服务器写入数据并读取 public function wr($contents){ $this->queryStr=""; $this->queryStr=$contents; !$this->socket&&$this->CreateSocket(); $contents=$this->fliterSendData($contents); $result=socket_write($this->socket,$contents,strlen($contents)); if(!intval($result)){ $this->error[]=socket_last_error($this->socket); return false; } $response=socket_read($this->socket,12048); if(false===$response){ $this->error[]=socket_last_error($this->socket); return false; } return $response; } //对发送的数据进行过滤 private function fliterSendData($contents){ //对写入的数据进行处理 return $contents; } //所有错误信息 public function getError(){ return $this->error; } //最后一次错误信息 public function getLastError(){ return $this->error(count($this->error)); } //获取最后一次发送的消息 public function getLastMsg(){ return $this->queryStr; } public function getHost(){ return $this->host; } public function getPort(){ return $this->port; } //关闭socket连接 private function close(){ $this->socket&&socket_close($this->socket);//关闭连接 $this->socket=null;//连接资源初始化 } public function __destruct(){ $this->close(); } }