SQLSTATE[HY000] [2002] 無法連線，因為目標電腦拒絕連線。
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function prepare() on null in D:\xampp\htdocs\yearbook\_include\classes2\class.category.php:51
Stack trace:
#0 D:\xampp\htdocs\yearbook\admin\banner\meta.php(38): Category-&gt;loadCatList()
#1 D:\xampp\htdocs\yearbook\top.php(58): include_once('D:\\xampp\\htdocs...')
#2 D:\xampp\htdocs\yearbook\index.php(2): include_once('D:\\xampp\\htdocs...')
#3 {main}
  thrown in <b>D:\xampp\htdocs\yearbook\_include\classes2\class.category.php</b> on line <b>51</b><br />