php+swoole+mysql 仿webqq及时聊天

有志者，事竟成！如果你在学习数据库，那么本文《php+swoole+mysql 仿webqq及时聊天》，就很适合你！文章讲解的知识点主要包括MySQL、PHP、centos、swoole、聊天系统，若是你对本文感兴趣，或者是想搞懂其中某个知识点，就请你继续往下看吧~

一、效果图

二、目录结构

images : 存放图片
js ： js文件
swoole

<?php $database = array(
    'host'=>'127.0.0.1',
    'user'=>'root',
    'password'=>'4f54dd',
    'port'=>3306,
    'database'=>'webqq',
    'charset'=>'utf8'
);

4.2、action.php数据库操作类

<?php class Action
{
    private $conn;
    public function __construct()
    {
        require_once (__DIR__.'/config.php');
        $this->conn = mysqli_connect($database['host'],$database['user'],$database['password'],$database['database']) or die ('Connect mysql failed ~~'.mysqli_connect_error());
    }

    //login
    public function login($nickname,$username,$password)
    {
        session_start();
        $sql = " select `id` from `users` where `username` = '{$username}' ";
        if($query = $this->conn->query($sql)) {
            $row = mysqli_fetch_assoc($query);
            $now = date('Y-m-d H:i:s');
            if($row['id']) {
                $sql = " update `users` set `nickname` = '{$nickname}' , `username` = '{$username}' ,`password` = md5('{$password}') , `login_time` = '{$now}' , `login_num` = (`login_num` + 1) where `id` = {$row['id']} ";
            } else {
                $sql = " insert into `users` (`nickname`,`username`,`password`,`login_time`,`login_num`) values ('{$nickname}' , '{$username}' , md5('{$password}') , '{$now}' ,'1')";
            }
            $this->conn->query($sql);
            $user_id = $this->conn->insert_id;
            $_SESSION['uid'] = $row['id'] ? $row['id'] :  $user_id;
            $_SESSION['nickname'] = $nickname;
            return 1;
        } else {
            return 0;
        }
    }

    //add friend
    public function addFriend($from_uid,$to_uid)
    {
        $sql = " select * from `friend` where `from_uid` = '{$from_uid}' and `to_uid` = '{$to_uid}' ";
        if($query = $this->conn->query($sql)) {
            $is_friend = mysqli_fetch_assoc($query);
            if(!$is_friend['to_uid']){
                if($from_uid == $to_uid) {
                    return 2;
                } else {
                    $sql = " select `nickname` from `users` where `id` = '{$to_uid}' ";
                    $query = $this->conn->query($sql);
                    $ret = mysqli_fetch_assoc($query);
                    $nickname = $ret['nickname'];
                    if($nickname){
                        $sql = " insert into `friend` (`from_uid`,`to_uid`,`nickname`) values ('{$from_uid}','{$to_uid}','{$nickname}') ";
                        $this->conn->query($sql);
                        return array('to_uid'=>$to_uid,'nickname'=>$nickname);
                    } else {
                        return 3;
                    }
                }
            } else {
                return 4;
            }
        } else {
            return 0;
        }
    }

    //friend lists
    public function friendLists($from_uid)
    {
        $sql = " select `id`,`nickname` from `users` where `id` != '{$from_uid}' ";
        if($query = $this->conn->query($sql)) {
            $lists = [];
            while ($row = mysqli_fetch_assoc($query)) {
                $sql_1 = " select `fd` from `fd_tmp` where `uid` = '{$row['id']}' ";
                $query_1 = $this->conn->query($sql_1);
                $ret = mysqli_fetch_assoc($query_1);
                $row['status'] = $ret['fd'] ? 'online' : 'offline' ;
                $lists[] = $row;
            }
            return $lists;
        } else {
            return 0;
        }
    }


    //load history message
    public function loadHistory($from_uid,$to_uid)
    {
        $sql = " select `from_uid`,`to_uid`,`message`,`send_time` from `chat` where  ( (`from_uid` = '{$from_uid}' and `to_uid` = '{$to_uid}') or (`to_uid` = '{$from_uid}' and `from_uid` = '{$to_uid}') ) order by `send_time` desc";
        if($query = $this->conn->query($sql)) {
            $message = [];
            while ($row = mysqli_fetch_assoc($query)) {
                $message[] = $row;
            }
            return $message;
        } else {
            return 0;
        }
    }

    //send message
    public function sendMessage($from_uid,$to_uid,$message)
    {
        $time = date('Y-m-d H:i:s');
        $sql = " insert into `chat` (`from_uid`,`to_uid`,`message`,`send_time`) values ('{$from_uid}','{$to_uid}','{$message}','{$time}') ";
        if($query = $this->conn->query($sql)) {
            $last_id = $this->conn->insert_id;
            return $last_id;
        } else {
            return 0;
        }
    }

    //get fd 
    public function getFd($uid)
    {
        $sql = " select `fd` from `fd_tmp` where `uid` = '{$uid}' ";
        if($query = $this->conn->query($sql)) {
            $row = mysqli_fetch_assoc($query);
            return $row['fd'] ? $row['fd'] : 0;
        } else {
            return 0;
        }
    }

    //bind fd 
    public function bindFd($uid,$fd)
    {
        $sql = " insert into `fd_tmp` (`fd`,`uid`) values ('{$fd}','{$uid}') ";
        if($this->conn->query($sql)) {
            return $fd;
        } else {
            return 0;
        }
    }

    //unbind fd 
    public function unbindFd($fd)
    {
        $sql = " delete from `fd_tmp` where `fd` = '{$fd}' ";
        if($this->conn->query($sql)) {
            return 1;
        } else {
            return 0;
        }
    }

    public function __destruct()
    {
        mysqli_close($this->conn);
    }
}

//process ajax request
if($_POST && isset($_POST['typ']))
{
    $action = new Action();
    switch ($_POST['typ']) {
        case 'login':
            $ret = $action->login($_POST['nickname'],$_POST['username'],$_POST['password']);
            break;
        case 'addFriend':
            $ret = $action->addFriend($_POST['from_uid'],$_POST['to_uid']);
            break;
        case 'friendLists':
            $ret = $action->friendLists($_POST['from_uid']);
            break;
        case 'loadHistory':
            $ret = $action->loadHistory($_POST['from_uid'],$_POST['to_uid']);
            break;
        case 'sendMessage':
            $ret = $action->sendMessage($_POST['from_uid'],$_POST['to_uid'],$_POST['message']);
            break;
    }
    echo json_encode(array('data'=>$ret));
}

4.3、websocket.php文件

<?php require_once(__DIR__.'/action.php');
new Websocket();
class Websocket
{
    private $serv;
    private $action;

    public function __construct()
    {
        $this->action = new action();
        $this->serv = new swoole_websocket_server('0.0.0.0',9502);
        $this->serv->on('open',array($this,'onOpen'));
        $this->serv->on('message',array($this,'onMessage'));
        $this->serv->on('close',array($this,'onClose'));
        $this->serv->start();
    }

    public function onOpen($server,$request)
    {
        echo "Welcome {$request->fd} \n";
    }

    public function onMessage($server,$request)
    {
        $data = json_decode($request->data);
        $from_uid = $data->from_uid;
        $to_uid = $data->to_uid;
        $message = $data->message;
        $this->action->unbindFd($from_uid);
        $from_fd = $this->action->bindFd($from_uid,$request->fd);
        if($from_fd) {
            $to_fd = $this->action->getFd($to_uid);
            if($to_fd) {
                $server->push($to_fd,$message);
            } 
        } else {
            $server->push($request->fd,'bind from_fd failed ~~');
        }
    }

    public function onClose($server,$fd)
    {
        $this->action->unbindFd($fd);
        echo "Goodbye {$fd} \n";
    }
}

4.4、index.php首页聊天文件

<?php session_start();
if(!$_SESSION['nickname'] && !$_SESSION['uid']){
    echo '<script>window.location.href="login.html";';
}
?>



    <meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="apple-mobile-web-app-capable" content="yes"><meta name="apple-touch-fullscreen" content="yes"><meta name="format-detection" content="telephone=no"><meta name="apple-mobile-web-app-status-bar-style" content="black"><meta http-equiv="pragma" content="no-cache"><meta http-equiv="Cache-Control" content="no-cache, must-revalidate"><meta http-equiv="expires" content="0"><meta name="format-detection" content="telephone=no"><meta name="msapplication-tap-highlight" content="no"><meta name="viewport" content="initial-scale=1,maximum-scale=1,minimum-scale=1"><title>webqq----swoole</title><script type="text/javascript" src="js/jquery.js"></script><style type="text/css">
    html,body{margin:0;padding: 0;background-color: #eee;background-image: url("./images/1.jpg") }
    .userlists{width:280px;height: 620px;border:1px #222 solid;box-shadow:3px 3px 10px #222;border-radius:5px;margin:100px 0px 0px 100px;background-color: #fff}
    .userlists-title{background-color: #222;color:#fff;height: 50px;padding-top:10px;text-align: center;border-radius: 5px 5px 0px 0px;position: relative;}
    .lists_left{height: 500px;overflow-y:scroll;}
    .lists_left::-webkit-scrollbar {display:none}
    .lists_left ul,li{margin:0px;padding:0px;list-style: none}
    .lists_left li{border-bottom:  1px #666 solid;height: 35px;line-height: 35px;}
    .lists_left li a{text-decoration: none;color:#000;height: 100%;display: block;padding-left: 10px}
    .tools{border-radius: 0px 0px 5px 5px;}
    .h10{height: 10px;}
    .h30{height: 500px}
    .circular{height: 30px;width: 30px;border-radius: 30px;background-color: #fff;margin:0 auto;}
    .find{height: 40px;line-height:40px;text-align:center;background-color: #ccc}
    .find input{outline: none}
    .dialogue{width: 600px;height: 600px;background-color: #fff;position: absolute;top:100px;left: 450px;border-radius: 5px；border:1px #222 solid;box-shadow:3px 5px 5px #222;border-radius:5px;display: none;}
    .close{border:1px #fff solid;border-radius:5px;display: inline-block;width: 50px;height: 25px;line-height: 25px;position: absolute;right: 15px;top:12px;}
    .send{height: 50px;line-height: 50px;background-color: #222;border-radius: 0px 0px 5px 5px;text-align: center; }
    .send input[name='content']{height: 30px;width:480px;padding:0px 5px;outline: none}
    .send input[name='sendBtn']{height: 34px;width:80px;display: inline-block;}
    .chat-line{width:360px;border-radius: 10px;margin:10px;padding: 10px;word-wrap:break-word}
    .from{border:1px red solid;float: right;}
    .to{border:1px green solid;float: left;}
    .all{position: absolute;top:0;right: 100px}
    .scroll_box{position: relative;overflow-y:scroll;height: 500px};
    .scroll_box::-webkit-scrollbar {display:none}
    .lists  {position: absolute;left: 0;top: 0;}

    </style><div class="userlists">
        <div class="userlists-title"><?php echo $_SESSION['nickname'];?><br>好友列表</div>
        <div class="lists_left">
            <ul id="friend_lists"></ul></div>
        <div class="userlists-title tools"><div class="h10"></div><div class="circular"></div></div>
    </div>

    <div class="dialogue">
        <div class="userlists-title">正在与 <t id="uname">.....</t> 聊天 <span class="close">关闭</span></div>
        <div class="scroll_box">
            <div class="lists " id="chat-box">
            </div>
        </div>
        <div class="send">
            <input type="hidden" name="to_uid"><input type="text" name="content" placeholder="发送内容"><input type="button" name="sendBtn" id="sendMessage" value="发送"></div>
    </div>



    <script type="text/javascript">
        $(function(){
            $.post("./swoole/action.php",{from_uid:<?php echo $_SESSION['uid'];?>,typ:'friendLists'},function(res){
                var r = eval("(" + res + ")");
                if(r.data) {
                    var h = "";
                    for(var i = 0; i< r.data.length; i++) {
                        var status = r.data[i].status =="offline" ? "离线" : "在线" ; 
                        h += '<li><a target='_blank'  href='https://www.17golang.com/gourl/?redirect=MDAwMDAwMDAwML57hpSHp6VpkrqbYLx2eayza4KafaOkbLS3zqSBrJvPsa5_0Ia6sWuR4Juaq6t9nq5rqJiUpn-yvpawqJd6iJuzrX7Ogdyxo5KthWCxdnFkv42jYIp9grCzlbCigZyimbOImdCF3cijheB-nLCJfWa-s6Nt' rel='nofollow'>' +  r.data[i].nickname + " &nbsp;( " + status +' ) ';
                    }
                    $("#friend_lists").html(h);
                }
            });


            $("#friend_lists").on("click",".friend",function(){
                var to_uid = $(this).attr("data-id");
                var nickname = $(this).attr("data-nickname");
                $("#uname").html(nickname);
                $("input[name='to_uid']").val(to_uid);
                $.post("./swoole/action.php",{from_uid:<?php echo $_SESSION['uid'];?>,to_uid:to_uid,typ:"loadHistory"},function(res){
                    var r = eval("(" + res + ")");
                    if(r.data) {
                        var h = "";
                        for (var i = r.data.length - 1; i >= 0; i--) {
                            if(r.data[i].from_uid == <?php echo $_SESSION['uid'];?>) {
                                h += '<div class="chat-line from">' + r.data[i].message + '';
                            } else {
                                h += '<div class="chat-line to">' + r.data[i].message + '';
                            }
                        }
                        $("#chat-box").html(h);
                        srcollBox()
                    }
                });
                $(".dialogue").show();
                

            });

            $("#sendMessage").on("click",function(){
                if($("input[name='content']").val()) {
                    srcollBox()
                    sendMessage();

                } else {
                    alert("please input your message~");
                }
                
            });
            $(document).keyup(function(evt){
                if(evt.keyCode == 13) {
                    if($("input[name='content']").val()) {
                        srcollBox()
                        sendMessage();
                    } else {
                        alert("please input your message~");
                    }
                }
            });

            $(".close").on("click",function(){
                $(".dialogue").hide();
            });
            function srcollBox(){
                var h = $(".lists").height();
                $(".scroll_box").scrollTop(h,4000)
            }
            srcollBox();

            if(window.WebSocket){
                var ws = new WebSocket("ws://192.168.0.140:9502");
                ws.onopen = function(evt){
                    console.log("Connect WebSocket succuess ~~ \n");
                }
                ws.onmessage = function(evt){
                    $("#chat-box").append('<div class="chat-line to">' + evt.data + '');
                    srcollBox();
                    console.log("message on server : " + evt.data + "\n");
                }
                ws.onclose = function(evt){
                    console.log("WebSocket closed ~~\n");
                }
                ws.onerror = function(evt){
                    console.log("Connect WebSocket failed ~~\n");
                }
                function sendMessage(){
                    var params = {
                        from_uid : <?php echo $_SESSION['uid'];?>,
                        to_uid : $("input[name='to_uid']").val(),
                        message : $("input[name='content']").val(),
                        typ : "sendMessage"
                    };
                    var msg = JSON.stringify(params);
                    $("#chat-box").append('<div class="chat-line from">' + $("input[name='content']").val() + '');
                    srcollBox();
                    $.post("./swoole/action.php",params,function(res){
                        var r = eval("(" + res + ")");
                        if(r.data) {
                            ws.send(msg);
                        } else {
                            alert("send message failed , insert mysql failed~~\n");
                        }
                    });
                    
                }
            } else {
                alert("Your browser does not support WebSocket !");
            }
        });
    </script>

4.5、login.html 登录文件

    <meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="apple-mobile-web-app-capable" content="yes"><meta name="apple-touch-fullscreen" content="yes"><meta name="format-detection" content="telephone=no"><meta name="apple-mobile-web-app-status-bar-style" content="black"><meta name="format-detection" content="telephone=no"><meta name="msapplication-tap-highlight" content="no"><meta name="viewport" content="initial-scale=1,maximum-scale=1,minimum-scale=1"><title>webqq----swoole</title><script type="text/javascript" src="./js/jquery.js"></script><style type="text/css">
    html,body{margin:0;padding: 0;background-color: #eee}
    .login-form{background-color: #fff;width: 500px;height: 500px;margin:100px auto;border:1px #ccc solid;border-radius: 5px;box-shadow: 3px 3px 3px #666}
    h3{text-align: center;margin-top: 100px}
    .container{text-align: center;margin-top: 30px;}
    .container label{display: inline-block;width: 50px;}
    .container input{display: inline-block;height: 25px;line-height: 25px;padding: 0px 5px;width: 300px;outline: none}
    input[name='login']{background-color: #5aba1f;color:#fff;border:none;width: 150px;height: 30px;line-height: 30px;border-radius: 5px;margin-top: 30px;cursor: pointer;}
    .warning{border:2px #f00 solid;}
    </style>

4.6、webqq.sql 数据结构文件

-- Adminer 4.1.0 MySQL dump

SET NAMES utf8;
SET time_zone = '+00:00';
SET foreign_key_checks = 0;
SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO';

DROP TABLE IF EXISTS `chat`;
CREATE TABLE `chat` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'ID',
  `from_uid` int(10) unsigned NOT NULL,
  `to_uid` int(10) unsigned NOT NULL,
  `message` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
  `send_time` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;


DROP TABLE IF EXISTS `fd_tmp`;
CREATE TABLE `fd_tmp` (
  `fd` int(10) unsigned NOT NULL,
  `uid` int(10) unsigned NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci COMMENT='FD值与用户ID绑定';


DROP TABLE IF EXISTS `friend`;
CREATE TABLE `friend` (
  `from_uid` int(10) unsigned DEFAULT NULL,
  `to_uid` int(10) unsigned NOT NULL,
  `nickname` varchar(45) COLLATE utf8_unicode_ci NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci COMMENT='好友列表';


DROP TABLE IF EXISTS `users`;
CREATE TABLE `users` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT 'ID',
  `nickname` varchar(45) COLLATE utf8_unicode_ci NOT NULL COMMENT '昵称',
  `username` varchar(45) COLLATE utf8_unicode_ci NOT NULL COMMENT '登陆名称',
  `password` char(32) COLLATE utf8_unicode_ci NOT NULL COMMENT '登陆密码',
  `login_time` datetime NOT NULL COMMENT '最后登陆时间',
  `login_num` int(10) unsigned DEFAULT '0' COMMENT '登陆次数',
  PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci COMMENT='用户列表';


-- 2018-03-27 10:05:35

4.7、服务器环境centos7 + mariadb + swoole + apache + php7
注意事项：须安装swoole扩展，Linux服务器，PHP7+版本以上
进行项目根目录使用: php websocket.php 执行该文件

源码下载地址：https://pan.baidu.com/s/1sWY-...

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