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="/UploadFiles/2021-04-02/t.png">
后端代码：webserver.php
<"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"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);
}
}
"路径" width="1192" height="266" src="/UploadFiles/2021-04-02/2017021715293050.png">
路径
然后使用命令行工具cd进这个目录，运行命令：
php websocket.php
运行效果图：
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：
源码链接：webSoket-php-chatsever_jb51.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。
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