<br />
<b>Warning</b>:  PDO::__construct() [<a href='pdo.--construct'>pdo.--construct</a>]: [2002] ÓÉÓÚÄ¿±ê¼ÆËã»ú»ý¼«¾Ü¾ø£¬ÎÞ·¨Á¬½Ó¡£
 (trying to connect via tcp://localhost:3306) in <b>D:\wwwroot\yootm\wwwroot\connection\pdo_db.php</b> on line <b>9</b><br />
<br />
<b>Fatal error</b>:  Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [2002] ÓÉÓÚÄ¿±ê¼ÆËã»ú»ý¼«¾Ü¾ø£¬ÎÞ·¨Á¬½Ó¡£
' in D:\wwwroot\yootm\wwwroot\connection\pdo_db.php:9
Stack trace:
#0 D:\wwwroot\yootm\wwwroot\connection\pdo_db.php(9): PDO-&gt;__construct('mysql:host=loca...', 'yootm', 'F8h3G3Q3')
#1 D:\wwwroot\yootm\wwwroot\www\site_page\info.php(1): require_once('D:\wwwroot\yoot...')
#2 {main}
  thrown in <b>D:\wwwroot\yootm\wwwroot\connection\pdo_db.php</b> on line <b>9</b><br />