转换中文为unicode 转换unicode到正常文本_PHP编程

'//转换中文为unicode
function URLEncoding(vstrIn)

dim i
dim strReturn,ThisChr,innerCode,Hight8,Low8

strReturn = ""
for i = 1 to Len(vstrIn)
ThisChr = Mid(vStrIn,i,1)
If Abs(Asc(ThisChr)) < &HFF then
strReturn = strReturn & ThisChr
else
innerCode = Asc(ThisChr)
If innerCode < 0 then
innerCode = innerCode + &H10000
end If
Hight8 = (innerCode and &HFF00) &HFF
Low8 = innerCode and &HFF
strReturn = strReturn & "%" & Hex(Hight8) & "%" & Hex(Low8)
end If
next

URLEncoding = strReturn

end function

'//转换unicode到正常文本
function bytes2BSTR(vIn)
dim i
dim strReturn,ThisCharCode,nextCharCode

strReturn = ""
for i = 1 to LenB(vIn)
ThisCharCode = AscB(MidB(vIn,i,1))
If ThisCharCode < &H80 then
strReturn = strReturn & Chr(ThisCharCode)
else
nextCharCode = AscB(MidB(vIn,i+1,1))
strReturn = strReturn & Chr(CLng(ThisCharCode) * &H100 + CInt(nextCharCode))
i = i + 1
end If
next
bytes2BSTR = strReturn

end function

function getText(oReq,url)

on error resume next
'//创建XMLHTTP对象
if oReq is nothing then
set oReq = CreateObject("MSXML2.XMLHTTP")
end if

if not oReq is nothing then
oReq.open "get",url,false
oReq.send

if oReq.status = 200 then
getText = bytes2BSTR(oReq.responseBody)
else
getText = ""
end if
else
getText = ""
end if

end function