doujiyuan0211 2015-10-07 17:18
浏览 33
已采纳

php程序从while循环中的无线电获取值

hi guys im just trying to get the value of selected radio button but it doesnt work help me guys pls. how can i get the selected radio button value tnx in advance :)

<html>
<head>
<title>asdad</title>
</head>
<body>
<form method = "POST">

<?php
$con=mysql_connect('localhost','root','') or die(mysql_error());
mysql_select_db('aclc_esys') or die("cannot select DB");
session_start();

$query=mysql_query("SELECT * FROM add_student_subject WHERE student_id = '".$_SESSION['sess_stud_id']."'");

while($row=mysql_fetch_array($query)){

?>

<input type="radio" name="subj" value="<?php$roww['subject_name']?>">


<?php

echo $row['subject_name']."<br />";
}


?>
<input type="submit" value="Submit Evaluation" name="submiteval" />
<?php

if(isset($_POST["submiteval"])){

echo $_POST['subj'];
}


?>
</form>
</body>
</html>
  • 写回答

1条回答 默认 最新

  • duanfangfei5558 2015-10-07 20:01
    关注

    You have misspelled row and you forgot to echo.

    Instead of:

    <?php$roww['subject_name']?>
    

    Try:

    <?php echo $row['subject_name']; ?>
    

    Also give at form element an id attribute.

    It is very important to use mysqli_* functions not mysql_* ones (they are deprecated) or even better PDO. At least sanitize and validate your inputs so your data will be as valid as you can.

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
    评论

报告相同问题?

悬赏问题

  • ¥15 微信会员卡接入微信支付商户号收款
  • ¥15 如何获取烟草零售终端数据
  • ¥15 数学建模招标中位数问题
  • ¥15 phython路径名过长报错 不知道什么问题
  • ¥15 深度学习中模型转换该怎么实现
  • ¥15 HLs设计手写数字识别程序编译通不过
  • ¥15 Stata外部命令安装问题求帮助!
  • ¥15 从键盘随机输入A-H中的一串字符串,用七段数码管方法进行绘制。提交代码及运行截图。
  • ¥15 TYPCE母转母,插入认方向
  • ¥15 如何用python向钉钉机器人发送可以放大的图片?