<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> <div class="register"> <form method="post"> <fieldset> <legend>填一个1~10的整数</legend> <div class="inp"> <input id="shuru" type="text" name="shuru"></input><br> <button>提交</button> </div> </fieldset> </form> <div class="jg"> <fieldset> <legend>输出结果</legend> <?php include('随机数2.php'); if ($shuru==null) { echo "请输入1~10的整数"; } else if ($shuru>$_SESSION['num']){ echo "您的输入为$shuru<br>"; echo "猜大了"; } else if($shuru<$_SESSION['num']){ echo "您的输入为$shuru<br>"; echo "猜小了"; } else if($shuru==$_SESSION['num']){ echo "您的输入为$shuru<br>"; echo "恭喜您猜对了"; $_SESSION['num']=null; } ?> </fieldset> </div> </div> <style type="text/css"> .register{ width: 400px; margin: 0 auto; padding:10px; } input{ width: 300px; height: 27px; } button{ width: 309px; height: 32px; margin-top:10px; } .inp{ text-align: center; } .jg{ margin-top: 5px; } </style> </body> </html>
<?php session_start(); $r=rand(1,10); if (isset($_SESSION['num'])) { } else{ $_SESSION['num']=$r; } $shuru=$_REQUEST['shuru']; ?>