Question

我有这个Jquery / Php进程供用户聊天，如果我向在线用户发送消息并且我最小化聊天窗口或者关闭或者刷新页面我有一些问题，聊天窗口每个都弹出时间，我希望在窗口附近好好关闭，当我最小化酒吧的心情留在那里，即使我刷新页面，以保持最小化在酒吧。

下一个问题有时当我发送消息并且我点击输入消息未显示，但是当我刷新页面时，是否存在。

Ps：剧本不是我的，我在youtube上找到了。

Jquery Chat脚本：

<?php
if(isset($_POST['conversacom'])){

    include_once "../defines.php";
    require_once('../classes/BD.class.php');
    BD::conn();

    $mensagens = array();
    $id_conversa = (int)$_POST['conversacom'];
    $online = (int)$_POST['online'];

    $pegaConversas = BD::conn()->prepare("SELECT * FROM `mensagens` WHERE (`id_de` = ? AND `id_para` = ?) OR (`id_de` = ? AND `id_para` = ?) ORDER BY `id` DESC LIMIT 10");
    $pegaConversas->execute(array($online, $id_conversa, $id_conversa, $online));

    while($row = $pegaConversas->fetch()){
        $fotouser = '';
        if($online == $row['id_de']){
            $janela_de = $row['id_para'];

        }elseif($online == $row['id_para']){
            $janela_de = $row['id_de'];

            $pegaFoto = BD::conn()->prepare("SELECT `photo` FROM `mls_users` WHERE `id` = '$row[id_de]'");
            $pegaFoto->execute();

            while($usr = $pegaFoto->fetch()){
                $fotouser = ($usr['photo'] == '') ? 'default.jpg' : $usr['photo'];
            }
        }

        $emotions = array(':)', ':@', '8)', ':D', ':3', ':(', ';)');
        $imgs = array(
            '<img src="emotions/nice.png" width="14"/>',
            '<img src="emotions/angry.png" width="14"/>',
            '<img src="emotions/cool.png" width="14"/>',
            '<img src="emotions/happy.png" width="14"/>',
            '<img src="emotions/ooh.png" width="14"/>',
            '<img src="emotions/sad.png" width="14"/>',
            '<img src="emotions/right.png" width="14"/>'
        );
        $msg = str_replace($emotions, $imgs, $row['mensagem']);
        $mensagens[] = array(
            'id' => $row['id'],
            'mensagem' => utf8_encode($msg),
            'fotoUser' => $fotouser,
            'id_de' => $row['id_de'],
            'id_para' => $row['id_para'],
            'janela_de' => $janela_de
        );

    }
    die( json_encode($mensagens) );
}
?>

历史Php文件：

    <?php
        if(isset($_POST['mensagem'])){
            include_once "../defines.php";
            require_once('../classes/BD.class.php');
            BD::conn();

            $mensagem = utf8_decode( strip_tags(trim(filter_input(INPUT_POST, 'mensagem', FILTER_SANITIZE_STRING))) );
            $de = (int)$_POST['de'];
            $para = (int)$_POST['para'];
        if($mensagem != ''){
            $insert = BD::conn()->prepare("INSERT INTO `mensagens` (id_de, id_para, mensagem, time, lido) VALUES (?,?,?,?,?)");
            $arrayInsert = array($de, $para, $mensagem, time(), 0);
            if($insert->execute($arrayInsert)){
                echo 'ok';
            }else{
                echo 'no';
            }
        }
    }
?>

提交Php文件：

    <?php
    if(isset($_GET)){
        include_once "../defines.php";
        require_once('../classes/BD.class.php');
        BD::conn();

        $userOnline = (int)$_GET['user'];
        $timestamp = ($_GET['timestamp'] == 0) ? time() : strip_tags(trim($_GET['timestamp']));
        $lastid = (isset($_GET['lastid']) && !empty($_GET['lastid'])) ? $_GET['lastid'] : 0;

        $usersOn = array();
        $agora = date('Y-m-d H:i:s');
        $expira = date('Y-m-d H:i:s', strtotime('+1 min'));
        $upOnline = BD::conn()->prepare("UPDATE `mls_users` SET `limite` = ? WHERE `id` = ?");
        $upOnline->execute(array($expira, $userOnline));

        $pegaOnline = BD::conn()->prepare("SELECT * FROM `mls_users` WHERE `id` != '$userOnline' ORDER BY `id` DESC");
        $pegaOnline->execute();
        while($onlines = $pegaOnline->fetch()){
            $photo = ($onlines['photo'] == '') ? 'default.jpg' : $onlines['photo'];
            $blocks = explode(',', $onlines['blocks']);
            if(!in_array($userOnline, $blocks)){
                if($agora >= $onlines['limite']){
                    $usersOn[] = array('id' => $onlines['id'], 'nome' => utf8_encode($onlines['username']), 'foto' => $photo, 'status' => 'off');
                }else{
                    $usersOn[] = array('id' => $onlines['id'], 'nome' => utf8_encode($onlines['username']), 'foto' => $photo, 'status' => 'on');
                }
            }
        }

        if(empty($timestamp)){
            die(json_encode(array('status' => 'erro')));
        }

        $tempoGasto = 0;
        $lastidQuery = '';

        if(!empty($lastid)){
            $lastidQuery = ' AND `id` > '.$lastid;
        }

        if($_GET['timestamp'] == 0){
            $verifica = BD::conn()->prepare("SELECT * FROM `mensagens` WHERE `lido` = 0 ORDER BY `id` DESC");
        }else{
            $verifica = BD::conn()->prepare("SELECT * FROM `mensagens` WHERE `time` >= $timestamp".$lastidQuery." AND `lido` = 0 ORDER BY `id`DESC");
        }
        $verifica->execute();
        $resultados = $verifica->rowCount();

        if($resultados <= 0){
            while($resultados <= 0){
                if($resultados <= 0){
                    //durar 30 segundos verificando
                    if($tempoGasto >= 30){
                        die(json_encode(array('status' => 'vazio', 'lastid' => 0, 'timestamp' => time(), 'users' => $usersOn)));
                        exit;
                    }

                    //descansar o script por um segundo
                    sleep(1);
                    $verifica = BD::conn()->prepare("SELECT * FROM `mensagens` WHERE `time` >= $timestamp".$lastidQuery." AND `lido` = 0 ORDER BY `id`DESC");
                    $verifica->execute();
                    $resultados = $verifica->rowCount();
                    $tempoGasto += 1;
                }
            }
        }

        $novasMensagens = array();
        if($resultados >= 1){
            $emotions = array(':)', ':@', '8)', ':D', ':3', ':(', ';)');
            $imgs = array(
                '<img src="emotions/nice.png" width="14"/>',
                '<img src="emotions/angry.png" width="14"/>',
                '<img src="emotions/cool.png" width="14"/>',
                '<img src="emotions/happy.png" width="14"/>',
                '<img src="emotions/ooh.png" width="14"/>',
                '<img src="emotions/sad.png" width="14"/>',
                '<img src="emotions/right.png" width="14"/>'
            );

            while($row = $verifica->fetch()){
                $fotouser = '';
                $janela_de = 0;

                if($userOnline == $row['id_de']){
                    $janela_de = $row['id_para'];

                }elseif($userOnline == $row['id_para']){
                    $janela_de = $row['id_de'];
                    $pegaUsr = BD::conn()->prepare("SELECT `photo` FROM `mls_users` WHERE `id` = '$row[id_de]'");
                    $pegaUsr->execute();
                    while($usr = $pegaUsr->fetch()){
                        $fotouser = ($usr['photo'] == '') ? 'default.jpg' : $usr['photo'];
                    }
                }
                $msg = str_replace($emotions, $imgs, $row['mensagem']);
                $novasMensagens[] = array(
                    'id' => $row['id'],
                    'mensagem' => utf8_encode($msg),
                    'fotouser' => $fotouser,


            'id_de' => $row['id_de'],
                'id_para' => $row['id_para'],
                'janela_de' => $janela_de
            );
        }
    }

    $ultimaMsg = end($novasMensagens);
    $ultimoId = $ultimaMsg['id'];
    die(json_encode(array('status' => 'resultados', 'timestamp' => time(), 'lastid' => $ultimoId, 'dados' => $novasMensagens, 'users' => $usersOn)));
}
?>

Stream Php文件：

-server
-Xmx512m
-Djava.awt.headless=true

Answer 1

jQuery.ajax({
        type: 'POST',
        url: 'sys/submit.php',
        data: {mensagem: texto, de: userOnline, para: para},
        success: function(retorno){
          if(retorno = 'ok'){
            jQuery('.msg').val('');
          }else{
            alert("Ocorreu um erro ao enviar a mensagem");
          }
        }
      });
    }
  });

Jquery / Php聊天脚本，我有一些问题

1 个答案: