十六进制到二进制，全12位 [英] Hex to binary with all 12 bits

问题描述

i将十六进制值转换为二进制等值，使用以下函数

这里我遇到一个问题，

i正在转换十六进制值ex.:0A8二进制等值是10101000

但是我希望输出为000010101000.

i希望显示所有十二位。



ex.:050

i想要上述值为000001010000

请给我解决方案

我用来将十六进制转换为二进制的函数

函数HexStringToBinary（ByVal hexString As String）As String

Dim num As Integer = Integer.Parse（hexString，Globalization） .NumberStyles.HexNumber）

返回Convert.ToString（num，2）

结束函数



as i我正在计算位数，我需要所有位

提前谢谢



我尝试过：

i am converting a hex value to its binary equivalent,using the below function
here i am facing one problem,
i am converting a hex value ex.:0A8 it binary equivalent is 10101000
but i want the output as 000010101000.
i want all twelve bits to get displayed.

ex.:050
i want the above value as 000001010000
kindly provide me the solution
the function i have used to convert from hex to binary
Function HexStringToBinary(ByVal hexString As String) As String
Dim num As Integer = Integer.Parse(hexString, Globalization.NumberStyles.HexNumber)
Return Convert.ToString(num, 2)
End Function

as i am counting the number of bits,i need all bits
Thanks in advance

What I have tried:

i am converting a hex value to its binary equivalent,using the below function
here i am facing one problem,
i am converting a hex value ex.:0A8 it binary equivalent is 10101000
but i want the output as 000010101000.
i want all twelve bits to get displayed.

ex.:050
i want the above value as 000001010000
kindly provide me the solution
the function i have used to convert from hex to binary
Function HexStringToBinary(ByVal hexString As String) As String
        Dim num As Integer = Integer.Parse(hexString, Globalization.NumberStyles.HexNumber)
        Return Convert.ToString(num, 2)
    End Function
Thanks in advance

推荐答案

请参阅 String.PadLeft方法（Int32，Char）（系统） [ ^ ]。



对于12个二进制数字的情况：

See the String.PadLeft Method (Int32, Char) (System)[^].

In your case for 12 binary digits:

Return Convert.ToString(num, 2).PadLeft(12, "0"c)

尝试：

Try:

Return Convert.ToString(num, 2).PadLeft(12, "0"C)

只是为了改进其他解决方案，支持不同长度的十六进制字符串（只要因为它不大于max int）：

Just to improve on other solutions, to support different length of hex string (as long as it's not larger then max int):

Return Convert.ToString(num, 2).PadLeft(hexString.Trim().Length * 4, "0"c)

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