Question

我正在从数据库中检索一些数据，并允许用户通过复选框进行多项选择，并为每个选中的复选框选择一个级别。保存时，我只能看到DB中的选中复选框，但不会看到所选的级别。

进行选择的代码

＆＃13;

include ('mysql_connect.php');

$sql = mysql_query("SELECT * FROM competency WHERE department = '$department'");


while($row = mysql_fetch_array($sql))
{
echo "<tr>";
echo "<td>";
echo"<input type='checkbox' name='comp[]' value= ".$row['id']." /> ".$row['competency']." <br /> </td>";
echo"<td> <select name='level[]'value= ".$row['id']." >
            
				  <option></option>
				  <option>level 1</option> 
				  <option>level 2</option> 
				  <option>level 3</option> 
				  <option>level 4</option>
				  <option>level 5</option>  </select>                 </td> ";


}
echo "</tr>";
?>

<input name="submit" type="submit" value="submit" />
</form>
<?php
echo" </table>";

?>

＆＃13;

.. 保存到数据库的代码

＆＃13;

session_start();
$id = $_SESSION['user_id'];

$hobb = $_POST['comp'];
$level  = $_POST['level'];
include ('mysql_connect.php');



 $N = count($hobb);

        
        for($i=0; $i < $N; $i++)
        {
			
			
			
            $var1=$hobb[$i];
			$var2 =  $level[$i];
            //include ('connect.php');
			include ('mysql_connect.php');
            $table = "INSERT INTO competency_result (user_id,competency_id,level) ".
                     "VALUES ('$id', '$var1', '$var2')";
            mysql_query($table) or die(mysql_error());
            $inserted_fid = mysql_insert_id();
            mysql_close();  
        }

＆＃13;

Answer 1

为comp[]和level[]设置相同的密钥，即。 $row['id'] -

while($row = mysql_fetch_array($sql))
{
...[your code]...

echo "<input type='checkbox' name='comp[".$row['id']."]' value= ".$row['id']." /> ".$row['competency']." <br /> </td>";
echo "<td> <select name='level[".$row['id']."]' >
...[your code]...
}

（注意：<select>没有value属性。这是由<option>

定义的

然后您可以使用

轻松获取相应的值

foreach($hobb as $key=>$val)
{
    $var1=$hobb[$key];
    $var2=$level[$key];
    ...[your code]...
}

（另外，看起来你的循环中有<tr>，但</tr>之后。我会假设你想要在循环中移动结束标记以正确关闭每一行）

使用多个列表菜单和复选框php

1 个答案: