php+webSoket实现聊天室示例代码

高洛峰

发布时间：2017-02-20 17:42:44

1555人浏览过

来源于php中文网

原创

本篇文章主要介绍了php+websoket搭建chatserver示例（附源码）的资料,这里整理了详细的代码,有需要的小伙伴可以参考下。

最近在公司利用直播间搭建一个图文直播间时正好要用到chatsever，研究了一下html5的websocket 实现了双向通信，根据前人的经验折腾了几天弄了个聊天室，实现了发送图片，发送QQ表情，群聊私聊等功能，特地分享给各位新手参考学习，大牛可以忽略。

前端：client.html

HTML5 websocket 网页聊天室 javascript php

清屏

php+webSoket实现聊天室示例代码

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后端代码：webserver.php

run();
class Sock{
 public $sockets;
 public $users;
 public $master;
 
 private $sda=array();//已接收的数据
 private $slen=array();//数据总长度
 private $sjen=array();//接收数据的长度
 private $ar=array();//加密key
 private $n=array();
 
 public function __construct($address, $port){
 $this->master=$this->WebSocket($address, $port);
 $this->sockets=array($this->master);
 }
 
 
 function run(){
 while(true){
 $changes=$this->sockets;
 $write=NULL;
 $except=NULL;
 socket_select($changes,$write,$except,NULL);
 foreach($changes as $sock){
 if($sock==$this->master){
  $client=socket_accept($this->master);
  $key=uniqid();
  $this->sockets[]=$client;
  $this->users[$key]=array(
  'socket'=>$client,
  'shou'=>false
  );
 }else{
  $len=0;
  $buffer='';
  do{
  $l=socket_recv($sock,$buf,1000,0);
  $len+=$l;
  $buffer.=$buf;
  }while($l==1000);
  $k=$this->search($sock);
  if($len<7){
  $this->send2($k);
  continue;
  }
  if(!$this->users[$k]['shou']){
  $this->woshou($k,$buffer);
  }else{
  $buffer = $this->uncode($buffer,$k);
  if($buffer==false){
  continue;
  }
  $this->send($k,$buffer);
  }
 }
 }
 
 }
 
 }
 
 function close($k){
 socket_close($this->users[$k]['socket']);
 unset($this->users[$k]);
 $this->sockets=array($this->master);
 foreach($this->users as $v){
 $this->sockets[]=$v['socket'];
 }
 $this->e("key:$k close");
 }
 
 function search($sock){
 foreach ($this->users as $k=>$v){
 if($sock==$v['socket'])
 return $k;
 }
 return false;
 }
 
 function WebSocket($address,$port){
 $server = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
 socket_set_option($server, SOL_SOCKET, SO_REUSEADDR, 1);
 socket_bind($server, $address, $port);
 socket_listen($server);
 $this->e('Server Started : '.date('Y-m-d H:i:s'));
 $this->e('Listening on : '.$address.' port '.$port);
 return $server;
 }
 
 
 function woshou($k,$buffer){
 $buf = substr($buffer,strpos($buffer,'Sec-WebSocket-Key:')+18);
 $key = trim(substr($buf,0,strpos($buf,"\r\n")));
 
 $new_key = base64_encode(sha1($key."258EAFA5-E914-47DA-95CA-C5AB0DC85B11",true));
 
 $new_message = "HTTP/1.1 101 Switching Protocols\r\n";
 $new_message .= "Upgrade: websocket\r\n";
 $new_message .= "Sec-WebSocket-Version: 13\r\n";
 $new_message .= "Connection: Upgrade\r\n";
 $new_message .= "Sec-WebSocket-Accept: " . $new_key . "\r\n\r\n";
 
 socket_write($this->users[$k]['socket'],$new_message,strlen($new_message));
 $this->users[$k]['shou']=true;
 return true;
 
 }
 
 function uncode($str,$key){
 $mask = array(); 
 $data = ''; 
 $msg = unpack('H*',$str);
 $head = substr($msg[1],0,2); 
 if ($head == '81' && !isset($this->slen[$key])) { 
 $len=substr($msg[1],2,2);
 $len=hexdec($len);
 if(substr($msg[1],2,2)=='fe'){
 $len=substr($msg[1],4,4);
 $len=hexdec($len);
 $msg[1]=substr($msg[1],4);
 }else if(substr($msg[1],2,2)=='ff'){
 $len=substr($msg[1],4,16);
 $len=hexdec($len);
 $msg[1]=substr($msg[1],16);
 }
 $mask[] = hexdec(substr($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));
 $s = 12;
 $n=0;
 }else if($this->slen[$key] > 0){
 $len=$this->slen[$key];
 $mask=$this->ar[$key];
 $n=$this->n[$key];
 $s = 0;
 }
 
 $e = strlen($msg[1])-2;
 for ($i=$s; $i<= $e; $i+= 2) { 
 $data .= chr($mask[$n%4]^hexdec(substr($msg[1],$i,2))); 
 $n++; 
 } 
 $dlen=strlen($data);
 
 if($len > 255 && $len > $dlen+intval($this->sjen[$key])){
 $this->ar[$key]=$mask;
 $this->slen[$key]=$len;
 $this->sjen[$key]=$dlen+intval($this->sjen[$key]);
 $this->sda[$key]=$this->sda[$key].$data;
 $this->n[$key]=$n;
 return false;
 }else{
 unset($this->ar[$key],$this->slen[$key],$this->sjen[$key],$this->n[$key]);
 $data=$this->sda[$key].$data;
 unset($this->sda[$key]);
 return $data;
 }
 
 }
 
 
 function code($msg){
 $frame = array(); 
 $frame[0] = '81'; 
 $len = strlen($msg);
 if($len < 126){
 $frame[1] = $len<16?'0'.dechex($len):dechex($len);
 }else if($len < 65025){
 $s=dechex($len);
 $frame[1]='7e'.str_repeat('0',4-strlen($s)).$s;
 }else{
 $s=dechex($len);
 $frame[1]='7f'.str_repeat('0',16-strlen($s)).$s;
 }
 $frame[2] = $this->ord_hex($msg); 
 $data = implode('',$frame); 
 return pack("H*", $data); 
 }
 
 function ord_hex($data) { 
 $msg = ''; 
 $l = strlen($data); 
 for ($i= 0; $i<$l; $i++) { 
 $msg .= dechex(ord($data{$i})); 
 } 
 return $msg; 
 }
 
 //用户加入
 function send($k,$msg){
 parse_str($msg,$g);
 $ar=array();
 if($g['type']=='add'){
 $this->users[$k]['name']=$g['ming'];
 $ar['type']='add';
 $ar['name']=$g['ming'];
 $key='all';
 }else{
 $ar['nrong']=$g['nr'];
 $key=$g['key'];
 }
 $this->send1($k,$ar,$key);
 }
 
 function getusers(){
 $ar=array();
 foreach($this->users as $k=>$v){
 $ar[]=array('code'=>$k,'name'=>$v['name']);
 }
 return $ar;
 }
 
 //$k 发信息人的code $key接受人的 code
 function send1($k,$ar,$key='all'){
 $ar['code1']=$key;
 $ar['code']=$k;
 $ar['time']=date('m-d H:i:s');
 $str = $this->code(json_encode($ar));
 if($key=='all'){
 $users=$this->users;
 if($ar['type']=='add'){
 $ar['type']='madd';
 $ar['users']=$this->getusers();
 $str1 = $this->code(json_encode($ar));
 socket_write($users[$k]['socket'],$str1,strlen($str1));
 unset($users[$k]);
 }
 foreach($users as $v){
 socket_write($v['socket'],$str,strlen($str));
 }
 }else{
 socket_write($this->users[$k]['socket'],$str,strlen($str));
 socket_write($this->users[$key]['socket'],$str,strlen($str));
 }
 }
 
 //用户退出
 function send2($k){
 $this->close($k);
 $ar['type']='rmove';
 $ar['nrong']=$k;
 $this->send1(false,$ar,'all');
 }
 
 function e($str){
 //$path=dirname(__FILE__).'/log.txt';
 $str=$str."\n";
 //error_log($str,3,$path);
 echo iconv('utf-8','gbk//IGNORE',$str);
 }
}
?>

很多童鞋反应用我的源码项目还是报错，不能运行，说下详细安装部署步骤。

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下载

首先把下载下来的源代码解压放到web目录下，比如我的就是applications/Xampp/xamppfiles/htdocs/phpb/websocket,

php+webSoket实现聊天室示例代码