asp不同编码下 UTF-8 GB2312转换收集

用于gb2312下接收新浪api 的json数据utf-8转gb2312

' UTF-8字符转换成GB2312 
Function UTF2GB(UTFStr)
For Dig=1 to len(UTFStr)
if mid(UTFStr,Dig,1)="%" then
if len(UTFStr) >= Dig+8 then
GBStr=GBStr & ConvChinese(mid(UTFStr,Dig,9))
Dig=Dig+8
else
GBStr=GBStr & mid(UTFStr,Dig,1)
end if
else
GBStr=GBStr & mid(UTFStr,Dig,1)
end if
Next
UTF2GB=GBStr
End Function

 

用于gb2312下api发送新浪微博中文转码

Function toUTF8(szInput)Dim wch, uch, szRetDim xDim nAsc, nAsc2, nAsc3'如果输入参数为空，则退出函数If szInput = "" ThentoUTF8 = szInputExit FunctionEnd If'开始转换For x = 1 To Len(szInput)'利用mid函数分拆GB编码文字

wch = Mid(szInput, x, 1)'利用ascW函数返回每一个GB编码文字的Unicode字符代码'注：asc函数返回的是ANSI 字符代码，注意区别

nAsc = AscW(wch)If nAsc < 0 Then nAsc = nAsc + 65536If (nAsc And &HFF80) = 0 ThenszRet = szRet & wchElseIf (nAsc And &HF000) = 0 Thenuch = "%" & Hex(((nAsc \ 2 ^ 6)) Or &HC0) & Hex(nAsc And &H3F Or &H80)szRet = szRet & uchElse'GB编码文字的Unicode字符代码在0800 - FFFF之间采用三字节模版

uch = "%" & Hex((nAsc \ 2 ^ 12) Or &HE0) & "%" & _Hex((nAsc \ 2 ^ 6) And &H3F Or &H80) & "%" & _Hex(nAsc And &H3F Or &H80)szRet = szRet & uchEnd IfEnd IfNexttoUTF8 = szRetEnd Function