Javascript 你怎么舍入一个总数
我正在从数据库中获取一个sum,并使用该sum填充一个js脚本,该脚本显示了一个进度表Javascript 你怎么舍入一个总数,javascript,sum,rounding,Javascript,Sum,Rounding,我正在从数据库中获取一个sum,并使用该sum填充一个js脚本,该脚本显示了一个进度表 Current Dontations: <?php global $wpdb; $results = $wpdb->get_results('SELECT SUM(purchase_value) AS sum_total FROM wp_cmxi_edd_customers'); $var ='$total'; $total = 0; foreach ($results as $result)
Current Dontations: <?php
global $wpdb;
$results = $wpdb->get_results('SELECT SUM(purchase_value) AS sum_total FROM wp_cmxi_edd_customers');
$var ='$total';
$total = 0;
foreach ($results as $result):
$total = $result->sum_total;
break;
endforeach;
?>
<tr>
<td><?php echo $total;?></td>
</tr>
当前完成:
js:
<script type="text/javascript">
var currentAmount = '<?php echo $var ;?>';
</script>
var currentAmount='';
问题是,它返回NaN,因为我需要对数字进行四舍五入以删除小数。你如何同时取整和求和
ROUND(SUM(purchase_value))
?为了提高精度,我会在求和后进行舍入。ROUND(20.49)//返回JS中的值20