//解析数据
        public  function  decodeData($buff)
        {
            //$buff  解析数据帧
            $mask = array();  
            $data = '';  
            $msg = unpack('H*',$buff);  //用unpack函数从二进制将数据解码
            $head = substr($msg[1],0,2);  
            if (hexdec($head{1}) === 8) {  
                $data = false;  
            }else if (hexdec($head{1}) === 1){  
                $mask[] = hexdec(substr($msg[1],4,2));  
                $mask[] = hexdec(substr($msg[1],6,2));  
                $mask[] = hexdec(substr($msg[1],8,2));  
                $mask[] = hexdec(substr($msg[1],10,2));  
                   //遇到的问题  刚连接的时候就发送数据  显示 state connecting
                $s = 12;  
                $e = strlen($msg[1])-2;  
                $n = 0;  
                for ($i=$s; $i<= $e; $i+= 2) {  
                    $data .= chr($mask[$n%4]^hexdec(substr($msg[1],$i,2)));  
                    $n++;  
                }
                //发送数据到客户端
                   //如果长度大于125 将数据分块
                   $block=str_split($data,125);
                   $mess=array(
                       'mess'=>$block[0],
                       );
                return $mess;                   
            }

//发送数据
        public function send($mess,$v)
        {
            //遍历套接字数组 成功握手的  进行数据群发
            foreach ($this->socs as $keys => $values) {
                //用系统分配的套接字资源id作为用户昵称
                   $mess['name']="Tourist's socket:{$v}";
                   $str=json_encode($mess);
                   $writes ="\x81".chr(strlen($str)).$str;
                   // ob_flush();
                   // flush();
                   // sleep(3);
                   if($this->hand[(int)$values])
                       socket_write($values,$writes,strlen($writes));
               }
        }

if (window.WebSocket){
    console.log("This browser supports WebSocket!");
} else {
    console.log("This browser does not support WebSocket.");
}