48 lines
1.3 KiB
C#
48 lines
1.3 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
using MyCode.Project.Infrastructure.Extensions;
|
|
|
|
namespace MyCode.Project.Infrastructure.Format
|
|
{
|
|
public static class Money
|
|
{
|
|
/// <summary>
|
|
/// 保留两位小数,四舍五入
|
|
/// </summary>
|
|
public static string ToTwoPoint(this decimal value)
|
|
{
|
|
return value.ToString("f2");
|
|
}
|
|
|
|
/// <summary>
|
|
/// 保留两位小数，不四舍五入
|
|
/// </summary>
|
|
/// <param name="d"></param>
|
|
/// <param name="n"></param>
|
|
/// <returns></returns>
|
|
public static decimal CutDecimalWithN(decimal d, int n)
|
|
{
|
|
string strDecimal = d.ToString();
|
|
int index = strDecimal.IndexOf(".");
|
|
if (index == -1 || strDecimal.Length < index + n + 1)
|
|
{
|
|
strDecimal = string.Format("{0:F" + n + "}", d);
|
|
}
|
|
else
|
|
{
|
|
int length = index;
|
|
if (n != 0)
|
|
{
|
|
length = index + n + 1;
|
|
}
|
|
strDecimal = strDecimal.Substring(0, length);
|
|
}
|
|
return Decimal.Parse(strDecimal);
|
|
}
|
|
|
|
}
|
|
}
|