yii 开启错误提示的方法

ini_set('display_errors', 'On');
error_reporting(E_ALL & ~E_NOTICE);

'log'=>array(
'class'=>'CLogRouter',
'routes'=>array(
array(
'class'=>'CFileLogRoute',
'levels'=>'error, warning',
),
// uncomment the following to show log messages on web pages
// array(
// 'class'=>'CWebLogRoute',
// ),
),
),

'log'=>array(
'routes'=>array(
// uncomment the following to show log messages on web pages
array(
'class'=>'CWebLogRoute',
),
),
),