vb.net的hex的簡(jiǎn)單介紹

VB.NET中怎么將16進(jìn)制數(shù)換成對(duì)應(yīng)的ASCII，比如說(shuō)&H1000，怎么把他換成31H,30H,30H,30H

Public Function dec_to_hex(dec As Long) As String

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Dim a As String

dec_to_hex = ""

Do While dec 0

a = CStr(dec Mod 16)

Select Case a

Case "0": a = "30H"

Case "1": a = "31H"

Case "2": a = "32H"

Case "3": a = "33H"

Case "4": a = "34H"

Case "5": a = "35H"

Case "6": a = "36H"

Case "7": a = "37H"

Case "8": a = "38H"

Case "9": a = "30H"

Case "10": a = "65H"

Case "11": a = "66H"

Case "12": a = "67H"

Case "13": a = "68H"

Case "14": a = "69H"

Case "15": a = "70H"

End Select

dec_to_hex = a " " dec_to_hex

dec = dec \ 16

Loop

End Function

VB.NET，八/十六進(jìn)制轉(zhuǎn)十進(jìn)制的函數(shù)，怎么轉(zhuǎn)?

'此函數(shù)用于十進(jìn)制到二進(jìn)制

Private Function Bin(Number As Long) As Long

Dim Div_value As String

Do

Div_value = (Number Mod 2) Div_value

Number = Int(Number / 2)

Loop Until Number 2

Bin = Number Div_value

End Function

'此函數(shù)用于二進(jìn)制到十進(jìn)制

Private Function value_Bin(Number As Long) As Long

Dim Temp_value As Long, Cyc As Long

For Cyc = 0 To Len(Str(Number))

If Cyc = Len(Str(Number)) Then

value_Bin = Temp_value + Val(Mid(Str(Number), Cyc, 1))

Exit For

End If

If Cyc 0 Then Temp_value = (Temp_value + Val(Mid(Str(Number), Cyc, 1))) * 2

Next Cyc

End Function

'====寫入以上函數(shù)后轉(zhuǎn)值操作：

'十進(jìn)制到十六進(jìn)制：Hex(十進(jìn)制數(shù)值)

'十進(jìn)制到八進(jìn)制：Oct(十進(jìn)制數(shù)值)

'十進(jìn)制到二進(jìn)制：Bin(十進(jìn)制數(shù)值)

'二進(jìn)制到十進(jìn)制：value_Bin(二進(jìn)制數(shù)值)

'八進(jìn)制到十進(jìn)制：Val("O" 八進(jìn)制數(shù)值)

'十六進(jìn)制到十進(jìn)制：Val("H" 十六進(jìn)制數(shù)值)

比如

msgbox DEC_to_BIN(10)

就會(huì)返回一個(gè)10轉(zhuǎn)換為十進(jìn)制后的結(jié)果

或者簡(jiǎn)單點(diǎn)就用

VB自帶函數(shù)：

十進(jìn)制轉(zhuǎn)八進(jìn)制：Oct(num)

十六進(jìn)制轉(zhuǎn)八進(jìn)制：oct("H" num)

十進(jìn)制轉(zhuǎn)十六進(jìn)制：hex(num)

八進(jìn)制轉(zhuǎn)十六進(jìn)制：hex("O" num)

十六進(jìn)制轉(zhuǎn)換為十進(jìn)制

Dim str As String

str = Text2.Text

Text10.Text = CLng("H" str)

vb.net 把十進(jìn)制數(shù)轉(zhuǎn)成十六進(jìn)制數(shù)的函數(shù)有哪些？

Private?Sub?Form1_Load(ByVal?sender?As?System.Object,?ByVal?e?As?System.EventArgs)?Handles?MyBase.Load

MsgBox(DEC_to_HEX(255))

End?Sub

Public?Function?DEC_to_HEX(ByVal?Dec?As?Long)?As?String

Dim?a?As?String

DEC_to_HEX?=?""

Do?While?Dec??0

a?=?CStr(Dec?Mod?16)

Select?Case?a

Case?"10"?:?a?=?"A"

Case?"11"?:?a?=?"B"

Case?"12"?:?a?=?"C"

Case?"13"?:?a?=?"D"

Case?"14"?:?a?=?"E"

Case?"15"?:?a?=?"F"

End?Select

DEC_to_HEX?=?a??DEC_to_HEX

Dec?=?Dec?\?16

Loop

End?Function

名稱欄目：vb.net的hex的簡(jiǎn)單介紹
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