字符編碼轉(zhuǎn)換嗎?
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1.字符與gb2312(gbk的子集):
Public Function GBKEncode(ByVal sInput As String) As String
Dim ret_GBKEncode As String = ""
Dim i As Integer
Dim startIndex As Integer = 0
Dim endIndex As Integer
Dim x() As Byte = System.Text.Encoding.Default.GetBytes(sInput) '字符以及字符串在vb2008中都是以u(píng)nicode編碼存儲(chǔ)的
endIndex = x.Length - 1
For i = startIndex To endIndex
ret_GBKEncode = "%" Hex(x(i))
Next
Return ret_GBKEncode
End Function
'GBK解碼
Public Function GBKDecode(ByVal sInput As String) As String
sInput = sInput.Replace("%", "")
Dim ret_GBKDecode As String = ""
Dim sLen As Integer = sInput.Length
Dim n As Integer = sLen \ 2
Dim sBytes(0 To n - 1) As Byte
'轉(zhuǎn)化為字節(jié)碼
For i As Integer = 1 To n
sBytes(i - 1) = CByte("H" sInput.Substring(2 * i - 2, 2))
Next
'將字節(jié)碼轉(zhuǎn)化為字符串
ret_GBKDecode = System.Text.Encoding.Default.GetString(sBytes)
Return ret_GBKDecode
End Function
2.Unicode字符串為UTF-8
Imports System.Text
Public Function StringAsUtf8Bytes(ByVal strData As String) As Byte()
Dim bytes() As Byte
bytes = Encoding.UTF8.GetBytes(strData)
Return bytes
End Function
'這里可以類推出好幾種。
Imports System.Text
Public Function StringAsUtf8Bytes(ByVal strData As String) As Byte()
Dim bytes() As Byte
bytes = Encoding.UTF8.GetBytes(strData)
Return bytes
End Function
說明:strData參數(shù)是GB2312字符串,函數(shù)返回UTF8字節(jié)數(shù)組
根本都不是你說的簡(jiǎn)單的UTF8編碼問題,人家是加密計(jì)算,下面的是UTF8編碼轉(zhuǎn)化函數(shù)
Private Function convert_UTF8(ByVal str As String) As String
Dim byt() As Byte = System.Text.Encoding.GetEncoding("Gb2312").GetBytes(str)
Return System.Text.Encoding.UTF8.GetString(byt)
End Function
這個(gè)你不如給出測(cè)試用例,直接給你寫還好些。給不出測(cè)試用例就無法驗(yàn)證寫得正確與否。
標(biāo)題名稱:關(guān)于vb.netutf8的信息
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