vb.net 四舍五入方法

概述Module Module1    Sub Main()        Dim d1, d2, d3 As Double        d1 = 1.234        d2 = 1.345        d3 = 1.456        '-----------------------四舍六入-----------------------------      

Module Module1 Sub Main() Dim d1,d2,d3 As Double d1 = 1.234 d2 = 1.345 d3 = 1.456 '-----------------------四舍六入-----------------------------  Console.Write("Result of Round(" & d1 & ") is : ") Console.Writeline(Math.Round(d1,2)) Console.Write("Result of Round(" & d2 & ") is : ") Console.Writeline(Math.Round(d2,2)) Console.Write("Result of Round(" & d3 & ") is : ") Console.Writeline(Math.Round(d3,2)) '----------------------四舍五入------------------------------  Console.Write("Result of Format(" & d1 & ") is : ") Console.Writeline(d1.ToString("0.00")) Console.Write("Result of Format(" & d2 & ") is : ") Console.Writeline(d2.ToString("0.00")) Console.Write("Result of Format(" & d3 & ") is : ") Console.Writeline(d3.ToString("0.00")) '-----------------------去尾-----------------------------  Console.Write("Result of Floor(" & d1 & ") is : ") Console.Writeline(Math.Floor(d1 * 100) / 100) Console.Write("Result of Floor(" & d2 & ") is : ") Console.Writeline(Math.Floor(d2 * 100) / 100) Console.Write("Result of Floor(" & d3 & ") is : ") Console.Writeline(Math.Floor(d3 * 100) / 100) '----------------------进一------------------------------  Console.Write("Result of Ceiling(" & d1 & ") is : ") Console.Writeline(Math.Ceiling(d1 * 100) / 100) Console.Write("Result of Ceiling(" & d2 & ") is : ") Console.Writeline(Math.Ceiling(d2 * 100) / 100) Console.Write("Result of Ceiling(" & d3 & ") is : ") Console.Writeline(Math.Ceiling(d3 * 100) / 100) Console.Read() End SubEnd Module

Module Module1 Sub Main() Dim d1,d3 As Double d1 = 1.234 d2 = 1.345 d3 = 1.456 '-----------------------四舍六入----------------------------- Console.Write("Result of Round(" & d1 & ") is : ") Console.Writeline(Math.Round(d1,2)) Console.Write("Result of Round(" & d2 & ") is : ") Console.Writeline(Math.Round(d2,2)) Console.Write("Result of Round(" & d3 & ") is : ") Console.Writeline(Math.Round(d3,2)) '----------------------四舍五入------------------------------ Console.Write("Result of Format(" & d1 & ") is : ") Console.Writeline(d1.ToString("0.00")) Console.Write("Result of Format(" & d2 & ") is : ") Console.Writeline(d2.ToString("0.00")) Console.Write("Result of Format(" & d3 & ") is : ") Console.Writeline(d3.ToString("0.00")) '-----------------------去尾----------------------------- Console.Write("Result of Floor(" & d1 & ") is : ") Console.Writeline(Math.Floor(d1 * 100) / 100) Console.Write("Result of Floor(" & d2 & ") is : ") Console.Writeline(Math.Floor(d2 * 100) / 100) Console.Write("Result of Floor(" & d3 & ") is : ") Console.Writeline(Math.Floor(d3 * 100) / 100) '----------------------进一------------------------------ Console.Write("Result of Ceiling(" & d1 & ") is : ") Console.Writeline(Math.Ceiling(d1 * 100) / 100) Console.Write("Result of Ceiling(" & d2 & ") is : ") Console.Writeline(Math.Ceiling(d2 * 100) / 100) Console.Write("Result of Ceiling(" & d3 & ") is : ") Console.Writeline(Math.Ceiling(d3 * 100) / 100) Console.Read() End Sub End Module 总结

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