将十进制转换为整数而不会丢失货币值 [英] Convert decimal to integer without losing monetary value

问题描述

我正在使用一项付款服务，要求将其所有费用均作为一个整数提交:

I am using a payment service that requires all it's charges be submitted as a whole number as such:

$205.01 submitted as 20501
$195.43 submitted as 19543
$42.06 submitted as 4206

我首先尝试了这个:

Convert.ToInt32(OrderTotal * 100);

但是我发现如果 OrderTotal = $ 120.01 ，那么我最终得到了 12000 ，并把几百位四舍五入.我最后想要的是 12001 .如何不进行四舍五入而执行此转换?

But I found if OrderTotal = $120.01 then I ended up with 12000, with the hundreds place rounded. What I wanted to end up with is 12001. How do I perform this conversion without rounding?

推荐答案

decimal firstDecimal = 120.01M;
double firstDouble = 120.01;
float firstFloat = 120.01F;

Console.WriteLine ((int)(firstDecimal * 100)); // 12001
Console.WriteLine ((int)(firstDouble * 100));  // 12001
Console.WriteLine ((int)(firstFloat * 100));   // 12001

Console.WriteLine (Convert.ToInt32(firstDecimal * 100)); // 12001
Console.WriteLine (Convert.ToInt32(firstDouble * 100));  // 12001
Console.WriteLine (Convert.ToInt32(firstFloat * 100));   // 12001

这意味着一件事....您的代码还有其他问题.

This means one thing.... you have something else going wrong with your code.

Convert.ToInt32产生完全相同的结果

Convert.ToInt32 produces the exact same result

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