2
嗨,我是新的PHP,所以我在一个项目上工作,我必须得到我的表的总金额的总和,我找到总金额,但如何回声或打印相当于我的主页。如何从cakephp中的t表中打印SUM()字段
$sum = $this->Payment->find('all', array(
'conditions' => array('Payment.amount '),
'fields' => array('sum(Payment.amount) as total_sum')
));
Array
(
[0] => Array
(
[0] => Array
(
[total_sum] => 490.00
)
)
)
echo $ sum [0] [0] ['total_sum']; –