[英]PHP SUM total in the database
嗨,我是PHP的新手,但我想总结一下自己的数量并将其显示在当前正在执行的页面上,但此操作没有显示。
<div class="col-md-4 col-lg-4">
<div class="panel panel-bordered panel-black">
<div class="panel-heading">
<h3 class="panel-title"><?php echo translate('Total Amount ');?></h3>
</div>
<div class="panel-body">
<div class="text-center">
<h1>
<?php
echo $this->db->select('SUM(amount) as Total');
$getData = $this->db->get_where('tablename',array('amount = '!=0))->first_row();
echo $getData->Total;
?>
</h1>
</div>
</div>
</div>
</div>
尝试这个
<?php
$data = $this->db->get_where('tablename',array('amount = '=>1))->sum(amount)->result();
foreach($data as $row):
echo $row['amount']; //if array output
echo $row->amount; //object output
endforeach;
?>
<div class="col-md-4 col-lg-4">
<div class="panel panel-bordered panel-black">
<div class="panel-heading">
<h3 class="panel-title"><?php echo translate('Total Amount ');?></h3>
</div>
<div class="panel-body">
<div class="text-center">
<h1>
<?php
echo $this->db->select('SUM(amount) as Total');
$getData = $this->db->get_where('tablename',array('amount = '!=0))->first_row();
echo $getData->Total;
?>
</h1>
</div>
</div>
</div>
</div>
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