我的代码似乎没有工作..单选按钮出现但旁边没有任何东西..似乎mysql_fetch_array由于某种原因不能正常工作,因为我已经玩了代码并反复测试它以找到代码似乎遇到的位置一个问题,并停止工作..有人可以请问有什么问题吗?欢呼ps.我是新手,最近几天才完成学习w3schools的php教程.
<body>
<?php
include 'dbyear2.php';
$qnumber = $_REQUEST['uqn']; // obtain question number from URL
$find = mysql_query("SELECT * FROM Renal WHERE UQN='$qnumber'");
while($retrieve=mysql_fetch_array($find));
{
$retrieve['question'] = $question;
$retrieve['MCQ_A'] = $a;
$retrieve['MCQ_B'] = $b;
$retrieve['MCQ_C'] = $c;
$retrieve['MCQ_D'] = $d;
$retrieve['MCQ_E'] = $e;
$retrieve['answer'] = $answer;
$retrieve['MCQ_correct'] = $correct;
}
?>
<form action='check.php' method='POST'>
<table>
<tr><td></td><td></td></tr>
<tr></tr>
<tr><td><input type='radio' name='group1' value='A' /></td><td> <?php echo $a; ?></td></tr>
<tr><td><input type='radio' name='group1' value='B' /></td><td> <?php echo $b; ?></td></tr>
<tr><td><input type='radio' name='group1' value='C' /></td><td> <?php …Run Code Online (Sandbox Code Playgroud) 关于函数mysqli_stmt_bind_param的"types"参数.什么是"双"字符串?这是写在表中的PHP手册这里