vb各进制转换代码.pdf

VB VVBB 各种进制相互转换大全 用途：将十进制转化为二进制 输入：Dec(十进制数) 输入数据类型：Long 输出：DEC_to_BIN(二进制数) 输出数据类型：String 输入的最大数为2147483647,输出最大数为1111111111111111111111111111111(31个1) Public Function DEC_to_BIN(DecAs Long)As String DEC_to_BIN= DoWhile Dec 0 DEC_to_BIN =Dec Mod2DEC_to_BIN Dec= Dec\ 2 Loop EndFunction 用途：将二进制转化为十进制 输入：Bin(二进制数) 输入数据类型：String 输出：BIN_to_DEC(十进制数) 输出数据类型：Long 输入的最大数为1111111111111111111111111111111(31个1),输出最大数为2147483647 Public FunctionBIN_to_DEC(ByVal Bin As String) As Long Dim i As Long Fori = 1 ToLen(Bin) BIN_to_DEC = BIN_to_DEC * 2 + Val(Mid(Bin, i, 1)) Next i End Function 用途：将十六进制转化为二进制 输入：Hex(十六进制数) 输入数据类型：String 输出：HEX_to_BIN(二进制数) 输出数据类型：String 输入的最大数为2147483647个字符 Public FunctionHEX_to_BIN(ByVal Hex As String) As String Dim i As Long Dim B As String Hex = UCase(Hex) Fori = 1 ToLen(Hex) Select Case Mid(Hex, i, 1) Case 0: B = B 0000 Case 1: B = B 0001 Case 2: B = B 0010 Case 3: B = B 0011 Case 4: B = B 0100 Case 5: B = B 0101 Case 6: B = B 0110 Case 7: B = B 0111 Case 8: B = B 1000 Case 9: B = B 1001 Case A: B = B 1010 Case B: B = B 1011 Case C: B = B 1100 Case D: B = B 1101 Case E: B = B 1110 Case F: B = B 1111 End Select Next i While Left(B, 1) = 0 B = Right(B, Len(B) - 1) Wend HEX_to_BIN = B End Function 用途：将二进制转化为十六进制 输入：Bin(二进制数) 输入数据类型：String 输出：BIN_to_HEX(十六进制数) 输出数据类型：String 输入的最大数为2147483647个字符 Public FunctionBIN_to_HEX(ByVal Bin As String) As String Dim i As Long Dim H As String IfLen(Bin) Mod 4 0 Then Bin = String(4 - Len(Bin) Mod 4, 0)