===代码=== <?php /** * 黑夜路人简易聊天室 * 作者: heiyeluren <heiyeluren_at_163.com> * 创建: 2005-8-10 22:42 * 修改: 2005-8-11 23:25 */
error_reporting(7); session_start(); header("ContentType:text/html;charset=gb2312"); define("SCRIPT", $_SERVER[\'SCRIPT_NAME\']); define("CHAT_NOTE", "./chat.txt"); define("ONLINE_LIST", "./online.txt"); define("REF_TIME", 5); define("CHAT_NAME", "黑夜路人聊天室"); define("AD_MSG", "今天是中国情人节, 祝大家情人节快乐!!"); //获取值 if (isset($_GET[\'action\']) && !empty($_GET[\'action\'])) { $action = $_GET[\'action\']; } //如果已经登陆那么直接跳到聊天界面 if (!isset($_GET[\'action\']) && isset($_SESSION[\'username\'])) { header("location:".SCRIPT."?action=chat"); } //登陆提示 if (!isset($_GET[\'action\'])) { if (!session_is_registered(\'username\')) { echo " <p><h3 align=center>[ ".CHAT_NAME." ] © 2005</h3></p> <p align=center> <form action=".SCRIPT."?action=login method=post> 呢称: <input type=text size=25 maxlength=30 name=login_user> <input type=submit value=聊天> </form></p> "; exit; } } //校验登陆 if ($action==\'login\') { if (isset($_POST[\'login_user\']) && !empty($_POST[\'login_user\'])) { $username = $_POST[\'login_user\']; } else { $username = "游客"; } session_register(\'username\'); save_online($username, get_client_ip()); header("location:".SCRIPT."?action=chat"); } //开始聊天www.knowsky.com if ($action=="chat") { $online_sum = get_online_sum(); echo "<head><title>[ ".CHAT_NAME." ]</title></head><center><body bgcolor=#C4BFB9 style=\'font-size:12px;\'> <div style=\'border:1px solid #999966; width:802px;height:450\'><iframe src=\'".SCRIPT."?action=show\' name=show_win width=800 height=450 scrolling=auto frameborder=0></iframe></div><br> <marquee width=70% scrollamount=2> ".AD_MSG." </marquee> [当前在线：$online_sum] <iframe src=\'".SCRIPT."?action=say\' name=say_win width=800 height=60 scrolling=no frameborder=0> "; } //说话界面 if ($action=="say") { echo "<head><title>[ ".CHAT_NAME." ]</title></head><center><body bgcolor=#C4BFB9 style=\'font-size:12px;\'> <form action=".SCRIPT."?action=save method=post name=chat onSubmit=\'return check()\'> [".$_SESSION[\'username\']."]说:<input type=text size=80 maxlength=500 name=chatmsg style=\' background-color:#99CC99; width:550px; height:22px; border:1px solid:#000000\'> <select name=usercolor> <OPTION selected style=\'COLOR: #000000\' value=\'000000\'>默认颜色</OPTION> <OPTION style=\'COLOR: #000000\' value=\'#000000\'>黑色沉静</OPTION> <option style=\'COLOR: #ff0000\' value=\'#FF0000\'>红色热情</option> <option style=\'COLOR: #0000ff\' value=\'#0000FF\'>蓝色开朗</option> <option style=\'COLOR: #ff00ff\' value=\'#FF00FF\'>桃色浪漫</option> <option style=\'COLOR: #009900\' value=\'#009900\'>绿色青春</option> <option style=\'COLOR: #009999\' value=\'#009999\'>青色清爽</option> <option style=\'COLOR: #990099\' value=\'#990099\'>紫色拘谨</option> <option style=\'COLOR: #990000\' value=\'#990000\'>暗夜兴奋</option> <option style=\'COLOR: #000099\' value=\'#000099\'>深蓝忧郁</option> <option style=\'COLOR: #999900\' value=\'#999900\'>卡其制服</option> <option style=\'COLOR: #ff9900\' value=\'#FF9900\'>镏金岁月</option> <option style=\'COLOR: #0099ff\' value=\'#0099FF\'>湖波荡漾</option> <option style=\'COLOR: #9900ff\' value=\'#9900FF\'>发亮蓝紫</option> <option style=\'COLOR: #ff0099\' value=\'#FF0099\'>爱的暗示</option> <option style=\'COLOR: #006600\' value=\'#006600\'>墨绿深沉</option> <option style=\'COLOR: #333333\' value=\'#333333\'>灰色轨迹</option> <option style=\'COLOR: #999999\' value=\'#999999\'>伦敦灰雾</option> </select> <input type=submit value=\'说话\' style=\'background-color:#ffffff\'> <a href=".SCRIPT."?action=logoff title=退出聊天室 target=_top onclick=\'return confirm(\"你确定要退出聊天室吗?\")\'>退出</a> </form> <script>function check(){if(document.chat.chatmsg.value==\'\'){;alert(\'请输入聊天信息!\');return false;}return true;}</script> "; } //保存说话 if ($action=="save") { if ($_POST[\'chatmsg\']!="") { save_chat($_POST[\'chatmsg\'], $_SESSION[\'username\'], $_POST[\'usercolor\']); } header("location:".SCRIPT."?action=say"); } //显示聊天记录 if ($action=="show") { echo "<body style=\'font-size:12px\' onload=\'scrollit()\'>"; echo "<META HTTP-EQUIV=REFRESH CONTENT=\'".REF_TIME.";URL=".SCRIPT."?action=show\'>"; if (file_exists(CHAT_NOTE)) { $chat_msg = @file_get_contents(CHAT_NOTE); echo $chat_msg; } else { echo "目前没有人说话"; } } //退出聊天室 if ($action=="logoff") { unset($_SESSION[\'username\']); session_destroy(); header("location:".SCRIPT); } /* 基本函数 */ //保存聊天记录函数 function save_chat($msg, $user, $color) { if (!$fp = fopen(CHAT_NOTE, "a+")) { die(\'创建聊天记录文件失败, 请检查是否有权限.\'); } $msg = htmlspecialchars($msg); $msg = preg_replace(\'/([http|ftp:\/\/])*([a-zA-])+\.([a-zA-Z0-9_-])+\.([a-zA-Z0-9_-])+(a-zA-Z0-9_)*/\', \'<a href=\\0 target=_blank>\\0</a>\', $msg); $msg = preg_replace(\'/([a-zA-Z0-9_\.])+@([a-zA-Z0-9-])+\.([a-zA-Z0-9-]{2,4})+/\', \'<a href=mailto:\\0>\\0</a>\', $msg); $msg = date(\'H:i:s\')." [".$user."]说: <font color=\'".$color."\'>".$msg."</font><br>\r\n"; if (!fwrite($fp, $msg)) { die(\'写入聊天记录失败.\'); } fclose($fp); } //写在线人信息 function save_online($user, $ip) { if (!$fp = fopen(ONLINE_LIST, "a+")) { die("创建在线列表文件失败, 请检查是否有权限."); } $user = str_replace("|", "", $user); $line = $user."|".$ip."|".time()."\r\n"; if (!fwrite($fp, $line)) { die("写入在线列表失败."); } fclose($fp); } //获取在线人数 function get_online_sum() { if (file_exists(ONLINE_LIST)) { $online_msg = file(ONLINE_LIST); return count($online_msg); } else { return 0; } } //获取当前登陆用户IP function get_client_ip() { if ($_SERVER[\'REMOTE_ADDR\']) { $cip = $_SERVER[\'REMOTE_ADDR\']; } elseif (getenv("REMOTE_ADDR")) { $cip = getenv("REMOTE_ADDR"); } elseif (getenv("HTTP_CLIENT_IP")) { $cip = getenv("HTTP_CLIENT_IP"); } else { $cip = "unknown"; } return $cip; } ?> 原文链接:http://apps.hi.baidu.com/share/detail/20902379