echo "<p>今天是:" . date("Y/m/d") . "</p>"; echo "<p>今天是:" . date("Y.m.d") . "</p>"; echo "<p>今天是:" . date("Y-m-d") . "</p>"; echo "<p>今天是:" . date("l") . "</p>"; echo date('Y-m-d H:i:s').' '.date("l");