Question

$r=mysql_query("SELECT city.id as city_id,city.city_name,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_name?></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 

} 

?> 

這是我的城市名稱和地區名稱記錄在列表中下拉列表中現在我想顯示同樣的東西在城市名稱在紅色的選擇框，然後其子區域名稱它的小示例是http://www.99acres.com/，因爲該站點上的城市顯示

Answer 1

沒有爲您編寫代碼，您應該能夠調整此代碼以適應您的需求。

<select name="SELECTNAME"> 
<?php while($rss=mysql_fetch_object($r)) { 
     echo '<option value="' . $value . '" '; 
       if() { // Put your if statement code here for when you want the option to be coloured red. 
        echo 'YOUR RED CLASS'; 
       } 
     echo '>' . $name . '</option>'; 
    } 
?> 
</select> 

Answer 2

這就是你想要的東西：

$r=mysql_query("SELECT city.id as city_id,city.city_name,locality.id,locality.area_name ". 
       "FROM city, locality ". 
       "WHERE city.id = locality .city_id order by city_id"); 
$previous = ''; 
?> 
<select name="foo"> 
<?php while($rss=mysql_fetch_object($r)) { ?> 
    <?php if (empty($previous) || $previous != $rss->city_id) { ?> 
     <option name="city[]" style="color:red" value="<?=$rss->city_name?>"><?=$rss->city_name?></option> 
    <?php } ?> 
    <?php $previous = $rss->city_id; ?> 
    <option name="sub_type[]" id="sub_type" value="<?=$rss->id?>"><?=$rss->area_name?></option> 
<?php } ?> 
</select>