系统参数设置
<?php
/*******************/
/* 系统参数设置 */
/*******************/
//连接数据库的定义
define('DB_USER', "root"); //用户名
define('DB_PASSWORD', "pass"); //密码
define('DB_HOST', "localhost"); //数据库主机地址
define('DB_NAME', "php_chat"); //数据库
//聊天室发言内容显示的行数
$chatrows = "25";
//判断用户超时允许的最大值(秒)
$sessiontime = "100";
//页面刷新的时间间隔(秒)
$refreshrate = "5";
//是否使用表情控制
$use_smilies = true;
//设定作为管理员的用户名
$admin = "admin";
//表情数组
$smilies = array(
":)" => '<img src="smilies/smile.gif">',
":(" => '<img src="smilies/sad.gif">',
";)" => '<img src="smilies/wink.gif">',
":D" => '<img src="smilies/lol.gif">',
":*(" => '<img src="smilies/crying.gif">',
":?" => '<img src="smilies/confused.gif">',
":X" => '<img src="smilies/sealed.gif">',
"8)" => '<img src="smilies/cool.gif">',
":P" => '<img src="smilies/tongue.gif">',
":@" => '<img src="smilies/mad.gif">',
":$" => '<img src="smilies/shy.gif">',
":L" => '<img src="smilies/love.gif">',
":|" => '<img src="smilies/blank.gif">',
":Z" => '<img src="smilies/sleep.gif">',
"(devil)" => '<img src="smilies/devil.gif">',
"(clown)" => '<img src="smilies/clown.gif">',
"(pig)" => '<img src="smilies/pig.gif">',
"(cow)" => '<img src="smilies/cow.gif">',
"(monkey)" => '<img src="smilies/monkey.gif">',
"(chicken)" => '<img src="smilies/chicken.gif">',
"(rose)" => '<img src="smilies/rose.gif">',
"(skull)" => '<img src="smilies/skull.gif">',
"(alien)" => '<img src="smilies/alien.gif">',
"(boy)" => '<img src="smilies/boy.gif">',
"(girl)" => '<img src="smilies/girl.gif">',
);
/*******************/
/* 公共函数设置 */
/*******************/
//功能:将字符串中的特
www.shkpw.com
www.zhsjfp.com
www.kswfp.com
www.zhonglianzx.com殊字符转换为表情图片
//输入:字符串
//输出:字符串
function Smilies($text) {
global $smilies;
$text = strtr ($text, $smilies );
return $text;
}
//功能:显示错误信息和返回的链接地址,并终止程序执行
//输入:错误信息, 链接地址
//输出:
function ExitMessage($message, $url='')
{
echo '<p class="message">';
echo $message;
echo '<br />';
if($url){
echo '<a href="'.$url.'">返回</a>';
}else{
echo '<a href="#" onClick="window.history.go(-1);">返回</a>';
}
echo '</p>';
exit;
}
/*******************/
/* 初始化程序 */
/*******************/
//开启SESSION
session_start();
//打开数据库连接
$db = mysql_pconnect(DB_HOST, DB_USER, DB_PASSWORD);
if (!$db) {
die('<b>数据库连接失败!</b>');
exit;
}
mysql_select_db (DB_NAME);