( ! ) Fatal error: Undefined class constant 'PDO::SQLSRV_ATTR_ENCODING' in D:\PhpWeb\Realty\ThinkPHP\Library\Think\Db.class.php on line 39
错误位置
FILE: D:\PhpWeb\Realty\ThinkPHP\Library\Think\Db.class.php 　LINE: 39

ThinkPHP3.2.3 { Fast & Simple OOP PHP framework } -- [ WE CAN DO IT JUST THINK ]

已经安装sqlsrv驱动
extension=php_sqlsrv_54_ts.dll
extension=php_pdo_sqlsrv_54_ts.dll
extension=php_sqlsrv_54_nts.dll
extension=php_pdo_sqlsrv_54_nts.dll

extension=php_sqlsrv_55_ts.dll
extension=php_pdo_sqlsrv_55_ts.dll
extension=php_sqlsrv_55_nts.dll
extension=php_pdo_sqlsrv_55_nts.dll

extension=php_sqlsrv_56_ts.dll
extension=php_pdo_sqlsrv_56_ts.dll
extension=php_sqlsrv_56_nts.dll
extension=php_pdo_sqlsrv_56_nts.dll