我下面有这个工作代码,但我想把它从下拉列表改为复选框,这样就可以选择并传递多个选项来执行进一步的操作,而不仅仅是下拉列表允许的一个。我是PHP的新手,在这方面做了大量的搜索,但都没有成功。非常感谢您的帮助。
$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>';
带复选框
<?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 $pals;
echo '<input type="submit" name="post" value="Go!">';
echo '</form>';
?>
使用Select Multiple
将multiple
附加到select
上,如下@sudhakar所说的
echo '<select name="pal_numb" multiple><option>Select Pal</option>'.$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