


How to quickly build a simple chat room with a hundred lines of PHP program_PHP tutorial
基本功能:能登陆,聊天,记录在线人数IP事件,能控制聊天的字体颜色,自动把转化聊天中网址为链接地址,能定制聊天室标题、广告信息等等。使用文本作为存储媒体,又兴趣可以参考代码,并且进行扩展。
其实PHP作为快速开发的脚本语言是很棒的!
===代码===
以下为引用的内容:
/**
* 黑夜路人简易聊天室
* 作者: heiyeluren
* 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 "
[ ".CHAT_NAME." ] © 2005
";
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")
{
$online_sum = get_online_sum();
echo "
name=show_win width=800 height=450 scrolling=auto frameborder=0>
[当前在线:$online_sum]
height=60 scrolling=no frameborder=0>
";
}
//说话界面
if ($action=="say")
{
echo "
onSubmit='return check()'>
[".$_SESSION['username']."]说: maxlength=500 name=chatmsg style=' background-color:#99CC99;
width:550px; height:22px; border:1px solid:#000000'>

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