[英]Using php mysql group results by column?
我有一个数据mobile(id, name, size)
表mobile(id, name, size)
;
(1, "Asha 301", "240 x 400");
(2, "Asha 302", "480 x 800");
(3, "Asha 303", "240 x 400");
(4, "Asha 304", "480 x 800");
(5, "Asha 305", "240 x 400");
(6, "Asha 306", "240 x 400");
<?php
$query = "SELECT id, name, size
FROM `mobile`
GROUP BY size Order by display_size ";
$results = mysql_fetch_array($query);
foreach ($results as $result) {
?>
<li>
<?php echo $result['size']; ?>
<ul>
<li><?php echo $result['name']; ?></li>
</ul>
</li>
<?php
}
?>
结果是:
240 x 400
Asha 301
400 x 800
Asha 302
结果只得到1行,如何获取所有行?
240 x 400
Asha 301
Asha 303
Asha 305
Asha 306
400 x 800
Asha 302
Asha 304
怎么解决?
mysql_fetch_object
返回一个对象,因此在foreach中迭代它不会做任何事情。
相反,你应该使用mysql_fetch_array
,它返回一个结果数组,
$query = "SELECT `id`, `name`, `size` FROM `mobile` Order by `size` ";
$results = mysql_query($query);
while ($result=mysql_fetch_array($results)) {
?>
<li>
<?php echo $result['size']; ?>
<ul>
<li><?php echo $result['name']; ?></li>
</ul>
</li>
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.