html: >>> <form action="year.php" method="get"> <input type="text" name="num"> <input type="submit" value="試試kan 平年or閏年"> </form> php:>>> <?php /** * Created by PhpStorm. * User: admin * Date: 2018/2/28 * Time: 14:16 */ $num = $_GET['num']; if(!is_numeric($num)){ echo '请输入数值类型'; } if($num%4 == 0 && $num%100 !== 0){ echo "閏年"; }elseif ($num%400 == 0){ echo "閏年"; }else{ echo "平年"; }
2018-02-280个赞
