记录日志方法
public static function logDegub($msg, $ext = "")
{
$logFile = $_SERVER ['DOCUMENT_ROOT'] . "/Logs/Debug-" . date ( 'Y-m-d' ) . '.txt' . $ext;
//$msg = date ( '[Y-m-d H:i:s]' ) . '' . $msg . '{in file:' . $_SERVER ['REQUEST_URI'] . "}\r\n";
$msg = date ( '[Y-m-d H:i:s]' ) . '' . $msg . "\r\n";
file_put_contents ( $logFile, $msg, FILE_APPEND );
}