<?php
require "config.php";
	
//lib.php

	//根據(jù)自己的需要調(diào)整下面的主機(jī)名、用戶(hù)名和密碼

	$host = $dbhost;

	$user = $dbuser;

	$password = $dbpass;

	$db_name = $dbname;

			

	//建立與數(shù)據(jù)庫(kù)的連接

	function db_connect()

	{

		global $host, $user, $password, $db_name;

		$db = mysql_connect($host, $user, $password);

		if (!$db)

		{

			echo "在線(xiàn)人數(shù)過(guò)多，無(wú)法與數(shù)據(jù)庫(kù)建立連接！請(qǐng)刷新重試。";

			exit;

		}

		$db_default = mysql_select_db($db_name, $db);

		if (!$db_default)

		{

			echo "無(wú)法選定$db_name數(shù)據(jù)庫(kù)";

			exit;

		}

		return $db;

	}

	

	//與數(shù)據(jù)庫(kù)斷開(kāi)連接

	function db_close()

	{

		global $db;

		mysql_close($db);

	}

	

	//執(zhí)行SQL語(yǔ)句失敗時(shí)，中斷程序的執(zhí)行，顯示錯(cuò)誤的代碼和錯(cuò)誤原因

	function db_error()

	{

		echo "數(shù)據(jù)庫(kù)錯(cuò)誤：";

		echo mysql_errno();

		//返回錯(cuò)誤信息代碼

		echo mysql_error()."<br>";

		//返回錯(cuò)誤信息

		echo "請(qǐng)聯(lián)系系統(tǒng)管理員";

		echo "<a href=..>反回</a>";

		exit;

	}

	

	//處理單行的字符串

	function string_dowith($str)

	{

		$str = trim($str);
		return $str;

	}

	

	//處理多行字符串

	function text_dowith($str)

	{     $str = ereg_replace(" ","&nbsp;", $str); 
		 $str = ereg_replace("\r\n","<br />", $str);
       $patterns = array(

   				   "/\[img\](.*?)\[\/img\]/si",

				   "/\[b\](.*?)\[\/b\]/si",

				   "/\[i\](.*?)\[\/i\]/si",

				   "/\[u\](.*?)\[\/u\]/si",

				   "/\[fly\](.*?)\[\/fly\]/si",

				   "/\[mp3\](.*?)\[\/mp3\]/si",

				   "/\[wmv\](.*?)\[\/wmv\]/si",

				   "/\[flash\](.*?)\[\/flash\]/si",

				   "/\[email\](.*?)\[\/email\]/si",

				   "/\[email=(\s+?@\S+?\\.\S+?)\](.*?)\[\/email\]/si",

	               "/\[link\](.*?)\[\/link\]/si",

				   "/\[url\](.*?)\[\/url\]/si",

				   "/\[url=(http|ftp)(:\/\/\S+?)\](.*?)\[\/url\]/si",

				   "/\[url=(\S+?)\](\S+?)\[\/url\]/si"//"/\[url=(\S+?)\](.*?)\[\/url\]/is"

				   );

       $replacements = array(

	   				   "<img src=\\1 boarder=0>",

					   "<b>\\1</b>",

					   "<i>\\1</i>",

					   "<u>\\1</u>",

					   "<marquee onMouseOver=this.stop() onMouseOut=this.start()>\\1</marquee>",

					   "<embed src=\\1 width=360 height=45></embed>",

					   "<embed src=\\1 width=300 height=360></embed>",

					   "<OBJECT codeBase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=4,0,2,0 classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 width=600 height=400><PARAM NAME=movie VALUE=\\1><PARAM NAME=quality VALUE=high><embed src=\\1 quality=high pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash' type='application/x-shockwave-flash' >\\1</embed></OBJECT>",        

					   "<a href=mailto:\\1>\\1</a>",

					   "<a href=mailto:\\1>\\2</a>",

					   "<a href=\\1 target=_blank>\\1</a>",

					   "<a href=\\1 target=_blank>\\1</a>",

					   "<a href=\\1\\2 target=_blank>\\3</a>",

					   "<a href=http://\\1 target=_blank>\\2</a>"

					   );

					 $str = ereg_replace("\"","“", $str); 
					 $str = ereg_replace("\'","‘", $str); 
       $str=preg_replace($patterns,$replacements,$str);

	

	return $str; 

    }						





	//提供某種css的格式

	function article_style()

	{

		?>

		<style>

			td {font-family:宋體,arial; font-size:9pt}

			body {font-family:宋體,arial; font-size:9pt}

			table {font-family:宋體,arial; font-size:9pt}

			.c {font-family:宋體,arial; font-size:9pt}

			.e {font-family:宋體,arial; font-size:9pt; font-weight:bold}

			a:link {font-size:9pt; text-decoration:none;}

			a:visited {font-size:9pt; text-decoration:none;}

			a:hover {font-size:9pt; text-decoration:underline;}

			A.forum():link {text-decoration:none; color:#3333cc; font-size:9pt}

			A.forum():visited {text-decoration:none; color:#800080; font-size:9pt}

			A.forum():hover {text-decoration:underline; color:#9999ff; font-size:9pt}

		</style>

		<?php

	}

?>