vbs获取雅虎汇率

Function bytes2bstr(vin)
	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 GetURL(url)
	Set Retrieval = CreateObject("Microsoft.XMLHTTP")
	With Retrieval
		.Open "GET", url, False
		.Send
		GetURL = bytes2bstr(.responsebody)
		if len(.responsebody)<2 then
			strContent = "远程通讯故障！"
			Call LogToFile(strContent,1)
		response.end
		end if
	End With
	Set Retrieval = Nothing
End Function
'========以上为自定义函数========

s1 = INPUTBOX("原始货币代码：","请输入原始货币代码","USD")
s2 = INPUTBOX("目标货币代码：","请输入目标货币代码","CNY")
s = s1&s2
url = "http://download.finance.yahoo.com/d/quotes.csv?e=.csv&f=sl1d1t1&s="&s&"=x"
if s1<>"" and s2<>"" Then
	huilv = GetURL(url)
	MsgBox huilv
End if