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php网站首页报错 Resource id #六

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2016-06-13 11:41:001264浏览

php网站首页报错 Resource id #6
测试页面报错:
Error page: /index.php
Error infos: No database selected 
Error sql: select * from c_seo where id=1

不知道问题出来哪里,有人帮我看下吗
$this->queryString 的值是select * from c_seo where id=1
$this->linkID 的值是Resource id #6

<br /><?php<br /><br />function Query($id="me",$sql='')<br />{<br />	$this->Execute($id,$sql);<br />}<br /><br />function Execute($id="me", $sql='')<br />{<br />	global $DB;<br />	if($DB->isClose)<br />	{<br />		$this->Open(false);<br />		$DB->isClose = false;<br />	}<br />	if(!empty($sql))<br />	{<br />		$this->SetQuery($sql);<br />	}<br /><br />	//SQL语句安全检查<br />	if($this->safeCheck)<br />	{<br />		CheckSql($this->queryString);<br />	}<br /><br />	$this->result[$id] = mysql_query($this->queryString,$this->linkID);<br />	if($this->result[$id]===false)<br />	{<br />		$this->DisplayError(mysql_error()." <br />Error sql: <font color='red'>".$this->queryString."</font>");<br />	}<br />}<br /><br />function DisplayError($msg)<br />{<br />	$errorTrackFile = dirname(__FILE__).'/../data/mysql_error_trace.inc';<br />	if( file_exists(dirname(__FILE__).'/../data/mysql_error_trace.php') )<br />	{<br />		@unlink(dirname(__FILE__).'/../data/mysql_error_trace.php');<br />	}<br />	$emsg = '';<br />	$emsg .= "<div><h3>Error Warning!</h3>\r\n";<br />	$emsg .= "<div style='line-helght:160%;font-size:14px;color:green'>\r\n";<br />	$emsg .= "<div style='color:blue'><br />Error page: <font color='red'>".$this->GetCurUrl()."</font></div>\r\n";<br />	$emsg .= "<div>Error infos: {$msg}</div>\r\n";<br />	$emsg .= "<br /></div></div>\r\n";<br /><br />	echo $emsg;<br />}<br />?>

?Resource?id?#6
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