asp采集抓取网上房产信息的代码

OStack程序员社区-中国程序员成长平台 › 门户 › 编程› ASP.NET›ASP.NET编程经验

原作者: [db:作者] 来自: [db:来源] 收藏邀请

<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%> 
<!-- #include file="conn.asp" --> 
<!-- #include file="inc/function.asp" --> 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"  
"http://www.w3.org/TR/html4/loose.dtd"> 
<html> 
<head> 
<title>Untitled Document</title> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<meta http-equiv="refresh" content="300;URL=steal_house.asp"> 
</head> 
<body> 
<% 
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","<table class=k2 border=""0""","</table>") 
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)&"__<br>") 

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

response.Write(i&":"&tempLink&"<br>") 
NewsContent=ReadXml(tempLink,"gb2312","<td valign=""bottom""  
width=""400"">","<hr width=""760""  
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：","所在城市：") 
City=SubStr(NewsContent,"城市：","房屋具体位置：") 
Position=SubStr(NewsContent,"位置：","房屋类型：") 
HouseType=SubStr(NewsContent,"类型：","楼层：") 
Level=SubStr(NewsContent,"楼层：","使用面积：") 
Area=SubStr(NewsContent,"面积：","房价：") 
Price=SubStr(NewsContent,"房价：","其他说明：") 
Demostra=SubStr(NewsContent,"说明：","联系人：") 
ContactMan=SubStr(NewsContent,"联系人：","联系方式：") 
Contact=SubStr(NewsContent,"联系方式：","信息来源：")  
response.Write("总序列号:"&KeyId&"<br>") 
response.Write("信息类别:"&NewsClass&"<br>") 
response.Write("所在城市:"&City&"<br>") 
response.Write("房屋具体位置:"&Position&"<br>") 
response.Write("房屋类型:"&HouseType&"<br>") 
response.Write("楼层:"&Level&"<br>") 
response.Write("使用面积:"&Area&"<br>") 
response.Write("房价:"&Price&"<br>") 
response.Write("其他说明:"&Demostra&"<br>") 
response.Write("联系人:"&ContactMan&"<br>") 
response.Write("联系方式:"&Contact&"<br>") 
'title=RemoveHTML(aa(i)) 
'response.Write("title:"&title) 
for n=0 to application.Contents.count 
if(application.Contents(n)=KeyId) then 
ifexit=true  
end if  
next  
if not ifexit then 
application(time&i)=KeyId 
'添加到数据库 
'==================================================== 
set rs=server.CreateObject("adodb.recordset")  
rs.open "select top 1 * from news order by id desc",conn,3,3 
rs.addnew 
rs("NewsClass")=NewsClass 
rs("City")=City 
rs("Position")=Position 
rs("HouseType")=HouseType 
rs("Level")=Level 
rs("Area")=Area 
rs("Price")=Price 
rs("Demostra")=Demostra 
rs("ContactMan")=ContactMan 
rs("Contact")=Contact 
rs.update 
rs.close 
set rs=nothing 
end if 
'================================================== 

next 
function RemoveTag(body) 
Set regEx = New RegExp 
regEx.Pattern = "<[a].*?<\/[a]>" 
regEx.IgnoreCase = True 
regEx.Global = True 
Set Matches = regEx.Execute(body)  
dim i,arr(15),ifexit 
i=0 
j=0 
For Each Match in Matches 
TempStr = Match.Value  
TempStr=replace(TempStr,"<td>","") 
TempStr=replace(TempStr,"</td>","") 
TempStr=replace(TempStr,"<tr>","") 
TempStr=replace(TempStr,"</tr>","")  
arr(i)=TempStr  
i=i+1 
if(i>=15) then 
exit for 
end if 
Next 
Set regEx=nothing 
Set Matches =nothing 
RemoveTag=arr 

end function 
function RegexHtml(body) 
dim r_arr(47),r_temp 
Set regEx2 = New RegExp 
regEx2.Pattern ="<a.*?<\/a>" 
regEx2.IgnoreCase = True 
regEx2.Global = True 
Set Matches2 = regEx2.Execute(body)  
iii=0  
For Each Match in Matches2 

r_arr(iii)=Match.Value 

iii=iii+1  
Next 
RegexHtml=r_arr 
set regEx2=nothing 
set Matches2=nothing 
end function 
'====================================================== 
conn.close 
set conn=nothing 
%> 
</body> 
</html> 