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实例讲解asp抓取网上房产信息
来源: ‖ 作者: ‖ 点击: ‖ 时间:12-09-25 14:14:31 ‖ 【 】‖ 我要投稿
附:抓取信息的详细页面事例

<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>


"http://www.w3.org/TR/html4/loose.dtd">


Untitled Document




<%
on error resume next
'
Server.ScriptTimeout = 999999
'========================================================
'字符编码函数
'====================================================
Function BytesToBstr(body,code)
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 =code
BytesToBstr = objstream.ReadText
objstream.Close
set objstream = nothing
End Function
'取行字符串在另一字符串中的出现位置
Function Newstring(wstr,strng)
Newstring=Instr(lcase(wstr),lcase(strng))
if Newstring<=0 then Newstring=Len(wstr)
End Function
'替换字符串函数
function ReplaceStr(ori,str1,str2)
ReplaceStr=replace(ori,str1,str2)
end function
'====================================================
function ReadXml(url,code,start,ends)
set oSend=createobject("Microsoft.XMLHTTP")
SourceCode = oSend.open ("GET",url,false)
oSend.send()
ReadXml=BytesToBstr(oSend.responseBody,code )
start=Instr(ReadXml,start)
ReadXml=mid(ReadXml,start)
ends=Instr(ReadXml,ends)
ReadXml=left(ReadXml,ends-1)
end function
function SubStr(body,start,ends)
start=Instr(body,start)
SubStr=mid(body,start+len(start)+1)
ends=Instr(SubStr,ends)
SubStr=left(SubStr,ends-1)
end function
dim getcont,NewsContent
dim url,title
url="http://www.***.com"'新闻网址
getcont=ReadXml(url,"gb2312","

")
getcont=RegexHtml(getcont)
dim KeyId,NewsClass,City,Position,HouseType,Level,Area,Price,Demostra
dim ContactMan,Contact
for i=2 to ubound(getcont)
response.Write(getcont(i)&"__
")

tempLink=mid(getcont(i),instr(getcont(i),"href=""")+6,instr(getcont(i),"""
onClick")-10)
tempLink=replace(tempLink,"../","")

response.Write(i&":"&tempLink&"
")
NewsContent=ReadXml(tempLink,"gb2312","
width=""400"">","
noshade size=""1"" color=""#808080"">
")
NewsContent=RemoveHtml(NewsContent)
NewsContent=replace(NewsContent,VbCrLf,"")
NewsContent=replace(NewsContent,vbNewLine,"")
NewsContent=replace(NewsContent," ","")
NewsContent=replace(NewsContent," ","")
NewsContent=replace(NewsContent,"&nbsp;","")
NewsContent=replace(NewsContent,"\n","")
NewsContent=replace(NewsContent,chr(10),"")
NewsContent=replace(NewsContent,chr(13),"")
'===============get Content=======================
response.Write(NewsContent)
KeyId=SubStr(NewsContent,"列号:","信息类别:")
NewsClass=SubStr(NewsContent,"类别:","所
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