Question

<?php
    $r=mysql_query("SELECT city.id as city_id, locality.id,locality.area_name  ".
                   "FROM city, locality  ".
                   "WHERE city.id = locality .city_id order by city_id"); 

    while($rss=mysql_fetch_object($r))
    {
?>
<legend><?=$rss->city_id?></legend>
<input type="checkbox" name="sub_type[]" id="sub_type" value="<?=$rss->id?>" />
<span><?=$rss->area_name?></span><br/>
<?php
    }
?>

我正在用城市身份标识展示地区名称。问题是,由于环绕,每个地区的名称都添加了这一标识。我怎么能够阻止身份证多次重复,以便检查箱按照他们所属的城市身份证分类?

Answer 1

修改<代码><legend>,即outside<>。 the。

(And use a <label> not a <span> 页: 1

Answer 2

如何:

<?php
$r=mysql_query("SELECT city.id as city_id, locality.id,locality.area_name  ".
               "FROM city, locality  ".
               "WHERE city.id = locality .city_id order by city_id"); 
$previous =   ;
while($rss=mysql_fetch_object($r)) { ?>
    <?php if (empty($previous) || $previous != $rss->city_id) { ?>
        <legend><?=$rss->city_id?></legend>
    <?php } ?> 
    <?php $previous = $rss->city_id; ?>
    <input type="checkbox" name="sub_type[]" id="sub_type" value="<?=$rss->id?>" />
    <span><?=$rss->area_name?></span><br/>
<?php
}
?>

友情链接