顯示資料庫中blob類型的圖片，小弟我圖片顯示不出來

顯示資料庫中blob類型的圖片，我圖片顯示不出來
showimage.php

include_once dirname(dirname (dirname ( __FILE__ ))). '/yeqztsys1.0/utilityfunction/SqlHelp.class.php';
include_once dirname(dirname (dirname ( __FILE__ ))). '/yeqztsys1.0/Comm.class.php';

$SqlHelper = new SqlHelp ( 'read', 'qztoa' );
$sql = "select * from qzt_image";
$query = $SqlHelper->query($sql );
$query_num = $SqlHelper->num_rows ($query );

$rows = array ();  
$retarr = array (); 
$query =$SqlHelper->query ( $sql );
if($query)
{
$arr_teainfo2 = array ();
while ( $arr_teainfo = $SqlHelper->fetch_assoc($query) ) {
$arr_teainfo2 [] = $arr_teainfo;
$Id=$arr_teainfo["Id"];
echo $arr_teainfo["Id"];
echo ""; 

}
}



?>  

Second.php3

include_once dirname(dirname (dirname ( __FILE__ ))). '/yeqztsys1.0/utilityfunction/SqlHelp.class.php';
include_once dirname(dirname (dirname ( __FILE__ ))). '/yeqztsys1.0/Comm.class.php';

$SqlHelper = new SqlHelp ( 'read', 'qztoa' );
$sql = "select * from qzt_image where Id=10";
$query = $SqlHelper->query($sql );
$query_num = $SqlHelper->num_rows ($query );

$rows = array ();  
$retarr = array (); 
$query =$SqlHelper->query ( $sql );
if($query)
{
$arr_teainfo2 = array ();
while ( $arr_teainfo = $SqlHelper->fetch_assoc($query) ) {
$arr_teainfo2 [] = $arr_teainfo;
$Id=$arr_teainfo["Id"];
$imagetype=$arr_teainfo["imagetype"];
//echo $arr_teainfo["images"];
//Header( "Content-type: $imagetype"); 
header('Content-type: $imagetype');
echo $arr_teainfo["images"];

}
}

?>   

請問我哪裡有問題？PHP新人，不知道哪裡錯了 PHP

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------解決方案--------------------
引用:

Quote: 引用:

圖片顯示不出來，是程式報錯？還是路徑不對。
先列印下，看有資料沒，如果有，再看下，顯示的路徑是否正確。

先運行php3把image列印出來了，正常的，沒有報錯

include_once dirname(dirname (dirname ( __FILE__ ))). '/yeqztsys1.0/utilityfunction/SqlHelp.class.php';
include_once dirname(dirname (dirname ( __FILE__ ))). '/yeqztsys1.0/Comm.class.php';

$SqlHelper = new SqlHelp ( 'read', 'qztoa' );
$sql = "select * from qzt_image where Id=10";
$query = $SqlHelper->query($sql ); 
