add B1 format

controllers/Pks.php

@@ -201,7 +201,11 @@ class Pks extends CI_Controller
     	$parms = $this->uri->uri_to_assoc(3);
 		
 		// 調整 pksno 為 pks 格式
-		$parms['pksno'] = intval(implode('', explode('F_', $parms['pksno'])));
+		if (strpos($test_string, 'B') !== false) {
+			$parms['pksno'] = '9' . intval(preg_replace('/[^0-9\-]/', '', $test_string));	// 地下 B
+		}
+		else
+			$parms['pksno'] = intval(preg_replace('/[^0-9\-]/', '', $test_string));
 		
         trigger_error('在席參數傳入:'.print_r($parms, true));