asp 天气查询系统代码

我们来看看function.asp文件。

<%
Function GetHttpPage(HttpUrl)
   If IsNull(HttpUrl)=True Or HttpUrl="$False$" Then
      GetHttpPage="$False$"
      Exit Function
   End If
   Dim Http
   Set Http=server.createobject("MSXML2.XMLHTTP")
   Http.open "GET",HttpUrl,False
   Http.Send()
   If Http.Readystate<>4 then
      Set Http=Nothing
      GetHttpPage="$False$"
      Exit function
   End if
   GetHTTPPage=bytesToBSTR(Http.responseBody,"GB2312")
   Set Http=Nothing
   If Err.number<>0 then
      Err.Clear
   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

Function GetBody(ConStr,StartStr,OverStr,IncluL,IncluR)
   If ConStr="$False$" or ConStr="" or IsNull(ConStr)=True Or StartStr="" or IsNull(StartStr)=True Or OverStr="" or IsNull(OverStr)=True Then
      GetBody="$False$"
      Exit Function
   End If
   Dim ConStrTemp
   Dim Start,Over
   ConStrTemp=Lcase(ConStr)
   StartStr=Lcase(StartStr)
   OverStr=Lcase(OverStr)
   Start = InStrB(1, ConStrTemp, StartStr, vbBinaryCompare)
   If Start<=0 then
      GetBody="$False$"
      Exit Function
   Else
      If IncluL=False Then
         Start=Start+LenB(StartStr)
      End If
   End If
   Over=InStrB(Start,ConStrTemp,OverStr,vbBinaryCompare)
   If Over<=0 Or Over<=Start then
      GetBody="$False$"
      Exit Function
   Else
      If IncluR=True Then
         Over=Over+LenB(OverStr)
      End If
   End If
   GetBody=MidB(ConStr,Start,Over-Start)
End Function

Function ShowErr(ErrMsg)
Response.write "<script>alert('" & ErrMsg &"');history.back();</script>"
Response.end
End Function
%>