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 />
?>
