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