PHP多选题-下列哪些城市属于省会城市

直接上代码:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>多项选择题</title>
</head>
<body>
<p>以下哪些城市属于省会城市?</p>
<form action="" method="post" name="form">
  <input name="answer[]" type="checkbox" value="A" />广州<br>
  <input name="answer[]" type="checkbox" value="B" />成都<br>
  <input name="answer[]" type="checkbox" value="C" />北京<br>
  <input name="answer[]" type="checkbox" value="D" />福州<br>
  <input name="answer[]" type="checkbox" value="E" />重庆<br>
  <input name="answer[]" type="checkbox" value="F" />沈阳<br>
  <input name="send" type="submit" value="提交" />
</form>
<?php
  if(isset($_POST['send']))
  {
    $answer=$_POST['answer'];
    $choice=" ";
    for($i=0;$i<count($answer);$i++)
      $choice.=$answer[$i];
    if($choice =='ABDF')
      show('恭喜你,答对了!');
    else
      show('很遗憾,重新答!');  
  }
  function show($message)
  {
    echo"<script>alert('$message')</script>";
  }
?>
</body>
</html>

在浏览器上运行出现以下界面:

 

 

 

我们选择好后点击提交:

 

posted @ 2024-05-29 15:28  玥浅浅  阅读(5)  评论(0编辑  收藏  举报