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php+webSoket实现聊天室示例代码（附源码）

时间：2021-04-24 17:17     来源/作者：Ann子尘

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

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<!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

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<?php
error_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," ")));
 
 $new_key = base64_encode(sha1($key."258eafa5-e914-47da-95ca-c5ab0dc85b11",true));
 
 $new_message = "http/1.1 101 switching protocols ";
 $new_message .= "upgrade: websocket ";
 $new_message .= "sec-websocket-version: 13 ";
 $new_message .= "connection: upgrade ";
 $new_message .= "sec-websocket-accept: " . $new_key . " ";
 
 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." ";
 //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,

php+webSoket实现聊天室示例代码（附源码）

路径

然后使用命令行工具cd进这个目录，运行命令：

?
1
php websocket.php

运行效果图：

php+webSoket实现聊天室示例代码（附源码）

命令行操作

接着打开apache服务器，在浏览器访问http://localhost/phpb/websocket/client.html

运行效果图：

php+webSoket实现聊天室示例代码（附源码）

源码链接：websoket-php-chatsever.rar

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。

原文链接：https://my.oschina.net/babyanzichen/blog/806864

标签：
PHP 聊天室 webSoket 

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