实例讲解ASP实现抓取网上房产信息(2)

2008-02-23 09:37:45来源:互联网 阅读 ()

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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>

  function.asp

<%
'*********************************
'函数名:gotTopic
'作 用:截字符串,汉字一个算两个字符,英文算一个字符
'参 数:str ----原字符串
' strlen ----截取长度
'返回值:截取后的字符串
'***********************************
function gotTopic(str,strlen)
if str="" then
gotTopic=""
exit function
end if
dim l,t,c, i
str=replace(replace(replace(replace(str,"&nbsp;"," "),"&quot;",chr(34)),"&gt;",">"),"&lt;","<")
str=replace(str,"?","")
l=len(str)
t=0
for i=1 to l
c=Abs(Asc(Mid(str,i,1)))
if c>255 then
t=t 2
else
t=t 1
end if
if t>=strlen then
gotTopic=left(str,i) & "…"
exit for
else
gotTopic=str
end if
next
gotTopic=replace(replace(replace(replace(gotTopic," ","&nbsp;"),chr(34),"&quot;"),">","&gt;"),"<","&lt;")
end function
'==================================
'函数:RemoveHTML(strHTML)
'功能:去除HTML标记
'参数:strHTML --要去除HTML标记的字符串
'=======================================
Function RemoveHTML(strHTML)
Dim objRegExp, Match, Matches
Set objRegExp = New Regexp

objRegExp.IgnoreCase = True
objRegExp.Global = True
'取闭合的<>
objRegExp.Pattern = "<. ?>"
'进行匹配
Set Matches = objRegExp.Execute(strHTML)

' 遍历匹配集合,并替换掉匹配的项目
For Each Match in Matches
strHtml=Replace(strHTML,Match.Value,"")
Next
RemoveHTML=strHTML
Set objRegExp = Nothing
set Matches=nothing
End Function

%>

  conn.asp

<%
'on error resume next
set conn=server.CreateObject("adodb.connection")
con= "driver={Microsoft Access Driver (*.mdb)};dbq=" & Server.MapPath("stest.mdb")
conn.open con

sub connclose
conn.close
set conn=nothing
end sub
%>

  附:抓取信息的详细页面事例

总序列号:

479280

信息类别:

出租

所在城市:

济南

房屋具体位置:

华龙路华信路交界口

房屋类型:

其他

楼层:

六层

使用面积:

24~240 平方米之间

房价:

0  [租赁:元/月,买卖:万元/套]

标签:

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