基本问题!用php分组查询
我有2个表
PRODUCE
+-----+--------------+
| id | fruit_name |
+--------------------+
| 1 | Apple |
| 2 | Banana |
| 3 | Carrot |
+-----+--------------+
品种
+-----+---------------+----------------+
| id | fk_fruit_id | variety_name |
+-----+---------------+----------------+
| 1 | 1 | Cox |
| 2 | 1 | Braeburn |
| 3 | 2 | Chester |
| 4 | 3 | Kotaka |
| 5 | 3 | Imperial |
| 6 | 3 | Oneal |
+-----+---------------+----------------+
我想输出的每果品种列表例如
APPLE - Cox, Braeburn
BANANA - Chester
CARROT - Kotaka, Imperial, Oneal
我当前的代码是
$query = "SELECT * FROM produce, varieties WHERE produce.id = varieties.fk_fruit_id";
$result = mysql_query($query) or die('Error : ' . mysql_error());
while ($row = mysql_fetch_array($result, MYSQL_ASSOC)) {
$produce_fruit_code = $row['fruit_code'];
$variety_name = $row['variety_name'];
echo $produce_fruit_code.' - '.$variety_name.'<br/>';
}
,输出:
Apple - Cox
Apple - Braeburn
Banana - Chester
Carrot - Kotaka
Carrot - Imperial
Carrot - Oneal
不是一个百万英里的路程,但仍然不存在。任何帮助非常感谢,谢谢!
我将能够更好地帮助你,如果我想在这拥抱种植的食物社会成长起来的......我从没听说过任何这些品种。:/ – Kristian 2012-04-06 23:08:40