用ASP+XMLHTTP编写一个天气预报程序

某人就职于一个本地门户网站，每天网站上的天气都得更新。久而久之感到相当麻烦，于是写了一个定时的新闻小偷，帖出来大家参考一下系统要求: 支持FSO, 服务器UDP　TCP/IP 没有屏蔽。

　　下面是小偷的内容：

　　FileName TianQi.asp
　　Write By Niaoked QQ408611119
　　www.knowsky.com
　　＜%
　　if hour(now)=9 and minute(now)＜30 then
　　getCategories()
　　end if
　　Function getCategories()
　　on error resume next
　　Dim oXMLHTTP ' As Object
　　Dim oCategories ' As Object
　　Dim BodyText
　　Dim Pos,Pos1
　　Set oXMLHTTP = CreateObject( "Microsoft.XMLHTTP")
　　'--- set the XMLHTTP call and issue send (no parm as category
　　'--- is included in URL
　　oXMLHTTP.open "GET","http://weather.china.com.cn/travel_gntq.php?cityid=56196&cityname=绵阳",False '这个地方换成你自己的地址
　　oXMLHTTP.send
　　'--- load the response into the Categories data island
　　BodyText=oXMLHTTP.responsebody
　　BodyText=BytesToBstr(BodyText, "gb2312")
　　Pos=Instr(BodyText, "＜body")
　　pos1=Instr(BodyText, "＜/body＞")
　　BodyText=mid(BodyText,pos,pos1)
　　BodyText=split(BodyText, "＜table")
　　Pos=Instr(BodyText(4), "＜tr")
　　pos1=Instr(BodyText(4), "＜/tr＞")
　　Body=mid(BodyText(4),pos,len(BodyText(4))-pos)
　　body=split(body, "＜/table＞")
　　body1=split(replace(replace(replace(body(0), "＜br＞",""),"＜/td＞",""),"＜/tr＞",""),"天气")
　　for i= 1 to ubound(body1)
　　body3=split(body1(i), "＜td")
　　weather=weather & "document.write("""& i&"$" & "天气" & HTMLEncode(trim(body3(0))) & """);" & vbcrlf
　　next
　　weather=replace(weather, "1$","＜FONT color=#ffffff＞【今天】＜/FONT＞")
　　weather=replace(weather, "2$","＜FONT color=#ffffff＞【明天】＜/FONT＞")
　　weather=replace(weather, "3$","＜FONT color=#ffffff＞【后天】＜/FONT＞")
　　Set fs = CreateObject( "Scripting.FileSystemObject")
　　Set f = fs.CreateTextFile(request.ServerVariables( "APPL_PHYSICAL_PATH")& "tq.js", True)
　　f.write( "document.write('绵阳天气预报:');" &vbcrlf & replace(weather,"＜BR＞",""))
　　f.close
　　Set f = nothing
　　Set fs = nothing
　　response.write "绵阳天气预报:"& weather
　　Set oXMLHTTP = Nothing
　　if err.number＜＞0 then
　　response.write "出错了，错误描述："&err.description & "＜br＞错误来源"& err.source
　　response.End()
　　end if
　　End Function
　Function BytesToBstr(body,Cset)
　　dim objstream
　　set objstream = Server.CreateObject( "adodb.stream")
　　objstream.Type = 1
　　objstream.Mode =3
　　objstream.Open
　　objstream.Write body
　　objstream.Position = 0
　　objstream.Type = 2
　　objstream.Charset = Cset
　　BytesToBstr = objstream.ReadText
　　objstream.Close
　　set objstream = nothing
　　End Function
　　Public Function HTMLEncode(fString)
　　If Not IsNull(fString) Then
　　fString = replace(fString, "＞", ">")
　　fString = replace(fString, "＜", "<")
　　fString = Replace(fString, CHR(32), " ") ' 
　　fString = Replace(fString, CHR(9), " ") ' 
　　fString = Replace(fString, CHR(34), """)
　　fString = Replace(fString, CHR(39), "'") '单引号过滤
　　fString = Replace(fString, CHR(13), "")
　　fString = Replace(fString, CHR(10) & CHR(10), "＜/P＞＜P＞ ")
　　fString = Replace(fString, CHR(10), "＜BR＞ ")
　　HTMLEncode = fString
　　End If
　　End Function
　　%＞