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起始很简单的。分析一下抓下来的代码,然后处理一下就行了。
 
 '文件:weather.vbs放入计划任务,每天早上8:30执行,生成饱含
 '文件供首页使用
 '执行方式:cscript D:\上海国家会计学院网站\内部社区\vbs\weather.vbs
 '********************************************************************************************************
 ' Symantec ScriptBlocking Authenticated File
 ' E9815BB2-5813-400B-9ED5-156350335DE3
 
 const incFilePath= "D:\上海国家会计学院网站\内部社区\web\club\"'包含文件所在目录,最后的\号是必须的
 const logfile= "d:\club-job-log.txt"'日志文件
 const incWeather= "weather-report.asp"'包含文件所在目录,最后的\号是必须的
 dim fs
 dim f
 on error resume next
 
 Set fs= CreateObject("Scripting.FileSystemObject")
 dim wstr
 wstr=getHTTPPage("http://sh.sina.com.cn/")
 'Response.Write wstr
 
 if instr(wstr,"<img src=http://cfan.net.cn/info/images/sina_sh/new/sh24.gif width=172 height=17>")>0 then
 wstr=mid(wstr,instr(wstr,"<img src=http://cfan.net.cn/info/images/sina_sh/new/sh24.gif width=172 height=17>")+len("<img src=http://cfan.net.cn/info/images/sina_sh/new/sh24.gif width=172 height=17>"))
 wstr=mid(wstr,instr(wstr,"<table width=160 border=0 cellspacing=0 cellpadding=0>"))
 wstr=mid(wstr,1,instr(wstr,"")+len(""))
 end if
 wstr=replace(wstr,"<tr><td colspan=3 align=right><a href=http://weather.sina.com.cn/>其他城市</a><font color=#015B7B>>></font></td></tr>","")
 dim pos1,pos2
 pos1=instr(wstr,"<tr>")
 pos2=instr(pos1,wstr,"</tr>")
 wstr=right(wstr,len(wstr)-pos2-4-4)
 wstr=replace(wstr,"","")
 wstr=replace(wstr,"width=35","")
 wstr=replace(wstr,"width=45","")
 wstr=replace(wstr,"width=60","")
 'Response.Write wstr
 if err.number=0 then
 Set f = fs.CreateTextFile(incFilePath & incWeather,true)
 f.write wstr
 set f = nothing
 else
 wscript.echo err.description
 end if
 set fs= nothing
 
 Sub writeLog(Msg)
 On Error Resume Next
 Dim f
 Set f = fs.OpenTextFile(logfile,8,true)
 f.WriteLine now & " - " & Msg
 f.close
 End Sub
 
 function getHTTPPage(url)
 on error resume next
 dim http
 set http=createobject("MSXML2.XMLHTTP")
 Http.open "GET",url,false
 Http.send()
 if Http.readystate<>4 then
 exit function
 end if
 getHTTPPage=bytes2BSTR(Http.responseBody)
 set http=nothing
 if err.number<>0 then err.Clear
 end function
 
 Function bytes2BSTR(vIn)
 dim strReturn
 dim i,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
 
 
 '***********************************************
 '
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