57 lines
1.4 KiB
C#
57 lines
1.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Text;
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namespace ExtensionMethods
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{
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public static class StringExtension
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{
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/// <summary>
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/// 四舍五入保留2位小数
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public static decimal ToDecimalR(this string obj)
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{
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return Math.Round(obj.ToDecimal(), 2, MidpointRounding.AwayFromZero);
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}
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/// <summary>
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/// 四舍五入保留2位小数
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public static decimal ToDecimalR(this object obj)
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{
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return Math.Round(obj.ToDecimal(), 2, MidpointRounding.AwayFromZero);
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}
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public static decimal ToDecimalR(this decimal obj)
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{
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return Math.Round(obj, 2, MidpointRounding.AwayFromZero);
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}
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public static decimal ToDecimal(this object obj)
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{
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if (obj == null)
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return 0;
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var str = obj.ToString().Trim();
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decimal result;
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decimal.TryParse(str, out result);
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return result;
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}
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public static decimal ToDecimal(this string obj)
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{
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decimal result;
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decimal.TryParse(obj.Trim(), out result);
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return result;
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}
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}
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}
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