PHP框架實(shí)現(xiàn)WebSocket在線聊天通訊系統(tǒng)

?php
namespace app\home\controller;
use think\swoole\Server;
class WebSocket extends Server
{
 protected $host = '0.0.0.0'; //監(jiān)聽(tīng)所有地址
 protected $port = 9501; //監(jiān)聽(tīng)9501端口
 protected $serverType = 'socket';
 protected $option = [ 
  'worker_num'=> 4, //設(shè)置啟動(dòng)的Worker進(jìn)程數(shù)
  'daemonize' => false, //守護(hù)進(jìn)程化（上線改為true）
  'backlog' => 128, //Listen隊(duì)列長(zhǎng)度
  'dispatch_mode' => 2, //固定模式，保證同一個(gè)連接發(fā)來(lái)的數(shù)據(jù)只會(huì)被同一個(gè)worker處理
  //心跳檢測(cè)：每60秒遍歷所有連接，強(qiáng)制關(guān)閉10分鐘內(nèi)沒(méi)有向服務(wù)器發(fā)送任何數(shù)據(jù)的連接
  'heartbeat_check_interval' => 60,
  'heartbeat_idle_time' => 600
 ];
 //建立連接時(shí)回調(diào)函數(shù)
 public function onOpen($server,$req)
 {
  $fd = $req->fd;//客戶端標(biāo)識(shí)
  $uid = $req->get['uid'];//客戶端傳遞的用戶id
  $token = $req->get['token'];//客戶端傳遞的用戶登錄token
  //省略token驗(yàn)證邏輯......
  if (!$token) {
   $arr = array('status'=>2,'message'=>'token已過(guò)期');
   $server->push($fd, json_encode($arr));
   $server->close($fd);
   return;
  }
  //省略給用戶綁定fd邏輯......
  echo "用戶{$uid}建立了連接,標(biāo)識(shí)為{$fd}\n";
 }
 //接收數(shù)據(jù)時(shí)回調(diào)函數(shù)
 public function onMessage($server,$frame)
 {
  $fd = $frame->fd;
  $message = $frame->data;
  //省略通過(guò)fd查詢用戶uid邏輯......
  $uid = 666;
  $data['uid'] = $uid;
  $data['message'] = '用戶'.$uid.'發(fā)送了:'.$message;
  $data['post_time'] = date("m/d H:i",time());
  $arr = array('status'=>1,'message'=>'success','data'=>$data);
  //僅推送給當(dāng)前連接用戶
  //$server->push($fd, json_encode($arr));
  //推送給全部連接用戶
  foreach($server->connections as $fd) {
   $server->push($fd, json_encode($arr));
  } 
 }
 //連接關(guān)閉時(shí)回調(diào)函數(shù)
 public function onClose($server,$fd)
 {
  echo "標(biāo)識(shí){$fd}關(guān)閉了連接\n";
 }
}

!DOCTYPE html>
html lang="en">
head>
meta charset="UTF-8" />
meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
title>Chat/title>
link rel="stylesheet" type="text/css" href="/static/liaotian/chat.css" rel="external nofollow" />
script src="/static/liaotian/js/jquery.min.js">/script>
script src="/static/liaotian/js/flexible.js">/script>
/head>
body>
 header class="header">
  a class="back" href="javascript:history.back()" rel="external nofollow" >/a>
  h5 class="tit">在線聊天/h5>
  a href="">div class=" rel="external nofollow" right">退出/div>/a>
 /header>
 
 !-- 聊天內(nèi)容 start-->
 div class="message"> /div>
 !-- 聊天內(nèi)容 end-->
 
 !-- 底部 start-->
 div class="footer">
  img id="setbtn" src="/static/liaotian/images/hua.png" alt="" />
  img src="/static/liaotian/images/xiaolian.png" alt="" />
  input type="text" id="msg" value="" maxlength="300">
  p style="background: rgb(17, 79, 142);" id="sendBtn">發(fā)送/p>
 /div>
 !-- 底部 end-->
/body>
/html>
script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js">/script>
script src="https://cdn.bootcss.com/layer/3.1.0/layer.js">/script>
script type="text/javascript">
$(function () {
 var uid = 666;//當(dāng)前用戶id
 var token = 'abcdefg';//用戶token
 
 //判斷瀏覽器是否支持WebSocket
 var supportsWebSockets = 'WebSocket' in window || 'MozWebSocket' in window;
 if (supportsWebSockets) {
  //建立WebSocket連接（ip地址換成自己主機(jī)ip）
  var ws = new WebSocket("ws://127.0.0.1:9501?uid="+uid+"token="+token);
  ws.onopen = function () {
   layer.msg('服務(wù)器連接成功',{shade:0.1,icon:1,time:600});
  };
  ws.onerror = function () {
   layer.msg('服務(wù)器連接失敗',{shade:0.1,icon:2,time:600});
  };
  ws.onmessage = function (evt) {
   var data = $.parseJSON(evt.data);
   //錯(cuò)誤提示
   if(data.status != 1){
    layer.alert(data.message,{icon:2});
    return;
   }
   //消息返回
   if (data.status==1  data.data.message!='') {
    var html = "";
    if (data.data.uid == uid) {
     html += "div style='word-break:break-all' class=\"show\">div class=\"time\">"+data.data.post_time+"/div>div class=\"msg\">img src=\""+data.data.head_img+"\" alt=\"\" />p>i clas=\"msg_input\">/i>"+data.data.message+"/p>/div>/div>";
    }else{
     html += "div style='word-break:break-all' class=\"send\">div class=\"time\">"+data.data.post_time+"/div>div class=\"msg\">img src=\""+data.data.head_img+"\" alt=\"\" />p>i clas=\"msg_input\">/i>"+data.data.message+"/p>/div>/div>";
    }
   }
   $(".message").append(html);
   setTimeout(function () {
    ($('.message').children("div:last-child")[0]).scrollIntoView();//向上滾動(dòng)
   },100);
  };
  ws.onclose = function (res) {
   
  };
  //按鈕發(fā)送
  $("#sendBtn").click(function () {
   var contents = $("#msg").val().trim();
   if(contents == null || contents == ""){
    layer.msg('內(nèi)容為空',{shade:0.1,icon:2,time:600});   
    return false;
   }else{
    ws.send(contents);
    $("#msg").val("");
   }
  });
  //回車發(fā)送
  $("#msg").keydown(function (evel) {
   var that = $(this);
   if (evel.keyCode == 13) {
    evel.cancelBubble = true;
    evel.preventDefault();
    evel.stopPropagation();
    var contents = that.val().trim();
    if(contents == null || contents == ""){
     layer.msg('內(nèi)容為空',{shade:0.1,icon:2,time:600});    
     return false;
    }else{
     ws.send(contents);
     that.val("");
    }
   }
  });
 }else{
  layer.alert("您的瀏覽器不支持 WebSocket!");
 }
});
/script>