php+webSoket实现聊天室示例代码（附源码）

2019-11-21 21:16:57

字体：大中小

来源：转载

供稿：网友

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

<!doctype html><html><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"/><title>HTML5 websocket 网页聊天室 javascript php</title><style type="text/css">body,p{margin:0px; padding:0px; font-size:14px; color:#333; font-family:Arial, Helvetica, sans-serif;}#ltian,.rin{width:98%; margin:5px auto;}#ltian{border:1px #ccc solid;overflow-y:auto; overflow-x:hidden; position:relative;}#ct{margin-right:111px; height:100%;overflow-y:auto;overflow-x: hidden;}#us{width:110px; overflow-y:auto; overflow-x:hidden; float:right; border-left:1px #ccc solid; height:100%; background-color:#F1F1F1;}#us p{padding:3px 5px; color:#08C; line-height:20px; height:20px; cursor:pointer; overflow:hidden; white-space:nowrap; text-overflow:ellipsis;}#us p:hover,#us p:active,#us p.ck{background-color:#069; color:#FFF;}#us p.my:hover,#us p.my:active,#us p.my{color:#333;background-color:transparent;}button{float:right; width:80px; height:35px; font-size:18px;}input{width:100%; height:30px; padding:2px; line-height:20px; outline:none; border:solid 1px #CCC;}.rin p{margin-right:160px;}.rin span{float:right; padding:6px 5px 0px 5px; position:relative;}.rin span img{margin:0px 3px; cursor:pointer;}.rin span form{position:absolute; width:25px; height:25px; overflow:hidden; opacity:0; top:5px; right:5px;}.rin span input{width:180px; height:25px; margin-left:-160px; cursor:pointer}#ct p{padding:5px; line-height:20px;}#ct a{color:#069; cursor:pointer;}#ct span{color:#999; margin-right:10px;}.c2{color:#999;}.c3{background-color:#DBE9EC; padding:5px;}.qp{position:absolute; font-size:12px; color:#666; top:5px; right:130px; text-decoration:none; color:#069;}#ems{position:absolute; z-index:5; display:none; top:0px; left:0px; max-width:230px; background-color:#F1F1F1; border:solid 1px #CCC; padding:5px;}#ems img{width:44px; height:44px; border:solid 1px #FFF; cursor:pointer;}#ems img:hover,#ems img:active{border-color:#A4B7E3;}#ems a{color:#069; border-radius:2px; display:inline-block; margin:2px 5px; padding:1px 8px; text-decoration:none; background-color:#D5DFFD;}#ems a:hover,#ems a:active,#ems a.ck{color:#FFF; background-color:#069;}.tc{text-align:center; margin-top:5px;}</style></head><body><div id="ltian"> <div id="us" class="jb"></div> <div id="ct"></div> <a href="javascript:;" rel="external nofollow" rel="external nofollow" class="qp" onClick="this.parentNode.children[1].innerHTML=''">清屏</a></div><div class="rin"> <button id="sd">发送</button> <span><img src="http://www.yxsss.com/ui/sk/t.png" title="表情" id="imgbq"><img src="http://www.yxsss.com/ui/sk/e.png" title="上传图片"><form><input type="file" title="上传图片" id="upimg"></form></span> <p><input id="nrong"></p></div><div id="ems"><p></p><p class="tc"></p></div><script>if(typeof(WebSocket)=='undefined'){ alert('你的浏览器不支持 WebSocket ，推荐使用Google Chrome 或者 Mozilla Firefox'); }</script><script src="http://www.yxsss.com/ui/p/a.js" type="text/javascript"></script><script>(function(){ var key='all',mkey; var users={}; var url='ws://127.0.0.1:8000'; var so=false,n=false; var lus=A.$('us'),lct=A.$('ct'); function st(){  var Arr1 = ["聪明的","狡猾的","可爱的","美丽的","狡猾的","善良的","帅气的","逗比的"];   var Arr2 = ["大灰狼","小白兔","母老虎","外星人","皮卡丘","HelloKitty","吴亦凡","薛之谦"];   var ran1 = Math.floor(Math.random() * Arr1.length + 1)-1;   var ran2 = Math.floor(Math.random() * Arr2.length + 1)-1;   var n=Arr1[ran1]+Arr2[ran2];   //以上五行是用来随机生成用户昵称的方法，参考一下 ，如果想自定义用户名可以将以上五行注释，然后以下两行取消注释  //n=prompt('请给自己取一个霸气的名字：');  //n=n.substr(0,16);  //console.log(n);  if(!n){   return ;   }  so=new WebSocket(url);  so.onopen=function(){   if(so.readyState==1){    so.send('type=add&ming='+n);   }  }    so.onclose=function(){   so=false;   lct.appendChild(A.$$('<p class="c2">退出聊天室</p>'));  }    so.onmessage=function(msg){   eval('var da='+msg.data);   var obj=false,c=false;   if(da.type=='add'){    var obj=A.$$('<p>'+da.name+'</p>');    lus.appendChild(obj);    cuser(obj,da.code);    obj=A.$$('<p><span>['+da.time+']</span>欢迎<a>'+da.name+'</a>加入</p>');    c=da.code;   }else if(da.type=='madd'){    mkey=da.code;    da.users.unshift({'code':'all','name':'大家'});    for(var i=0;i<da.users.length;i++){     var obj=A.$$('<p>'+da.users[i].name+'</p>');     lus.appendChild(obj);     if(mkey!=da.users[i].code){      cuser(obj,da.users[i].code);     }else{      obj.className='my';      document.title=da.users[i].name;     }    }    obj=A.$$('<p><span>['+da.time+']</span>欢迎'+da.name+'加入</p>');    users.all.className='ck';   }      if(obj==false){    if(da.type=='rmove'){     var obj=A.$$('<p class="c2"><span>['+da.time+']</span>'+users[da.nrong].innerHTML+'退出聊天室</p>');     lct.appendChild(obj);     users[da.nrong].del();     delete users[da.nrong];    }else{     da.nrong=da.nrong.replace(/{//(/d+)}/g,function(a,b){      return '<img src="sk/'+b+'.jpg">';     }).replace(/^data/:image//png;base64/,.{50,}$/i,function(a){      return '<img src="'+a+'">';     });     //da.code 发信息人的code     if(da.code1==mkey){      obj=A.$$('<p class="c3"><span>['+da.time+']</span><a>'+users[da.code].innerHTML+'</a>对我说：'+da.nrong+'</p>');      c=da.code;     }else if(da.code==mkey){      if(da.code1!='all')      obj=A.$$('<p class="c3"><span>['+da.time+']</span>我对<a>'+users[da.code1].innerHTML+'</a>说：'+da.nrong+'</p>');      else      obj=A.$$('<p><span>['+da.time+']</span>我对<a>'+users[da.code1].innerHTML+'</a>说：'+da.nrong+'</p>');      c=da.code1;     }else if(da.code==false){      obj=A.$$('<p><span>['+da.time+']</span>'+da.nrong+'</p>');     }else if(da.code1){      obj=A.$$('<p><span>['+da.time+']</span><a>'+users[da.code].innerHTML+'</a>对'+users[da.code1].innerHTML+'说：'+da.nrong+'</p>');      c=da.code;     }    }   }   if(c){     obj.children[1].onclick=function(){      users[c].onclick();     }    }   lct.appendChild(obj);   lct.scrollTop=Math.max(0,lct.scrollHeight-lct.offsetHeight);  } } A.$('sd').onclick=function(){  if(!so){    return st();  }  var da=A.$('nrong').value.trim();  if(da==''){   alert('内容不能为空');   return false;   }  A.$('nrong').value='';  so.send('nr='+esc(da)+'&key='+key); } A.$('nrong').onkeydown=function(e){  var e=e||event;  if(e.keyCode==13){   A.$('sd').onclick();  } } function esc(da){  da=da.replace(/</g,'<').replace(/>/g,'>').replace(//"/g,'"');  return encodeURIComponent(da); } function cuser(t,code){  users[code]=t;  t.onclick=function(){   t.parentNode.children.rcss('ck','');   t.rcss('','ck');   key=code;  } } A.$('ltian').style.height=(document.documentElement.clientHeight - 70)+'px'; st();  var bq=A.$('imgbq'),ems=A.$('ems'); var l=80,r=4,c=5,s=0,p=Math.ceil(l/(r*c)); var pt='sk/'; bq.onclick=function(e){  var e=e||event;  if(!so){    return st();  }  ems.style.display='block';  document.onclick=function(){   gb();   }  ct();  try{e.stopPropagation();}catch(o){} }  for(var i=0;i<p;i++){  var a=A.$$('<a href="javascript:;" rel="external nofollow" rel="external nofollow" >'+(i+1)+'</a>');  ems.children[1].appendChild(a);  ef(a,i); } ems.children[1].children[0].className='ck';  function ct(){  var wz=bq.weiz();  with(ems.style){   top=wz.y-242+'px';   left=wz.x+bq.offsetWidth-235+'px';  } }   function ef(t,i){  t.onclick=function(e){   var e=e||event;   s=i*r*c;   ems.children[0].innerHTML='';   hh();   this.parentNode.children.rcss('ck','');   this.rcss('','ck');   try{e.stopPropagation();}catch(o){}  } }  function hh(){  var z=Math.min(l,s+r*c);  for(var i=s;i<z;i++){   var a=A.$$('<img src="'+pt+i+'.jpg">');   hh1(a,i);   ems.children[0].appendChild(a);  }  ct(); }  function hh1(t,i){  t.onclick=function(e){   var e=e||event;   A.$('nrong').value+='{//'+i+'}';   if(!e.ctrlKey){    gb();   }   try{e.stopPropagation();}catch(o){}  } }  function gb(){  ems.style.display='';  A.$('nrong').focus();  document.onclick=''; } hh(); A.on(window,'resize',function(){  A.$('ltian').style.height=(document.documentElement.clientHeight - 70)+'px';  ct(); })  var fimg=A.$('upimg'); var img=new Image(); var dw=400,dh=300; A.on(fimg,'change',function(ev){  if(!so){   st();   return false;  }  if(key=='all'){   alert('由于资源限制 发图只能私聊');   return false;   }  var f=ev.target.files[0];  if(f.type.match('image.*')){   var r = new FileReader();   r.onload = function(e){    img.setAttribute('src',e.target.result);   };   r.readAsDataURL(f);  } }); img.onload=function(){  ih=img.height,iw=img.width;  if(iw/ih > dw/dh && iw > dw){   ih=ih/iw*dw;   iw=dw;  }else if(ih > dh){   iw=iw/ih*dh;   ih=dh;  }  var rc = A.$$('canvas');  var ct = rc.getContext('2d');  rc.width=iw;  rc.height=ih;  ct.drawImage(img,0,0,iw,ih);  var da=rc.toDataURL();  so.send('nr='+esc(da)+'&key='+key); } })();</script></body></html>

后端代码：webserver.php

<?phperror_reporting(E_ALL ^ E_NOTICE);ob_implicit_flush();$sk=new Sock('127.0.0.1',8000);$sk->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。

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,