[英]Checkboxes instead of drop down list in PHP, MySQL
我在下面有此工作代码,但我想将其从下拉列表更改为复选框,因此可以选择并传递多个选项以采取进一步的措施,而不仅仅是下拉列表允许的选项。 我对PHP还是陌生的,并且在此方面进行了大量搜索,但没有成功。 任何帮助深表感谢。
$l = $_POST['LT'];
$pals = '';
$r = mysql_query("SELECT DISTINCT pal_num FROM pl_tab WHERE lt_num='$l'");
while($row = mysql_fetch_assoc($r))
{
$pals .= '<option>'.$row['pal_num'].'</option>';
}
if($pal == '')
echo '';
else
echo '<form name="get_pal" action="post.php" method="POST">';
echo '<select name="pal_numb"><option>Select Pal</option>'.$pals.'</select>';
echo '<input type="submit" name="post" value="Go!">';
echo '</form>';
<?php
$l = $_POST['LT'];
$pals = '';
$r = mysql_query("SELECT DISTINCT pal_num FROM pl_tab WHERE lt_num='$l'");
while($row = mysql_fetch_assoc($r))
{
$pals .= '<input type="checkbox" name="pal_numb[]" value="'.$row['pal_num'].'">'.$row['pal_num'].'<br>';
}
if($pal == '')
echo '';
else
echo '<form name="get_pal" action="post.php" method="POST">';
echo $pals;
echo '<input type="submit" name="post" value="Go!">';
echo '</form>';
?>
追加multiple
select
如下所示,如@sudhakar所说
echo '<select name="pal_numb" multiple><option>Select Pal</option>'.$pals.'</select>';
$l = $_POST['LT'];
$pals = '';
$r = mysql_query("SELECT DISTINCT pal_num FROM pl_tab WHERE lt_num='$l'");
while($row = mysql_fetch_assoc($r))
{
$pals .= '<br /><input type="checkbox" name="pal_numb" value="'.$row['pal_num'].'">'.$row['pal_num'];
}
if($pal == '')
echo '';
else
echo '<form name="get_pal" action="post.php" method="POST">';
echo $pals;
echo '<input type="submit" name="post" value="Go!">';
echo '</form>';
使用此代码
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