p> PDO mssql驱动没有更多，使用 sqlsrv （在php windows下）或 dblib

The PDO mssql driver is no more, use sqlsrv (under php windows) or dblib (under php linux)

http：// msdn.microsoft.com/en-us/sqlserver/ff657782.aspx

http://www.php.net/manual/en/ref.pdo-dblib.php