php pdo 執(zhí)行 like查詢

$sql1?=?'SELECT?count(*)?FROM?u_goods?WHERE?title?LIKE?:title';
$query->bindValue(':title','%'.$search_kw.'%');

上面這樣做才是正確的

下面這樣是沒有數(shù)據(jù)的

$sql1?=?'SELECT?count(*)?FROM?u_goods?WHERE?title?LIKE?"%:title%"';
$query->bindValue(':title',$search_kw);