JS保留两位小数例子 四舍五入使用函数toFixed()
php保留两位小数例子 四舍五入
1.number_format
$number = 1234.5678;
$nombre_format_francais = number_format($number, 2, ,, );
// 1 234,57
$english_format_number = number_format($number, 2, ., );
// 1234.57
2.round
$number = 1234.5678;
echo round($number ,2);
//1234.57
3.sprintf
$formatted = sprintf ("%s有￥%01.2f。",$name, $money);
echo $formatted;
//张三有￥123.10。
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