Home > Others

XMLHTTP batch captures Remote Data

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

We can combine regular expressions to achieve better results. I hope you can share the session Sharing Technology of XMLHTTP.

<HTML>
<Head>
<Title> autoget </title>
<Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312">
</Head>
<Body bgcolor = "# ffffff" style = "font-family: Arial; font-size: 12px">
<%
'================================================ ============
'Filename: getit. asp
'Intro: auto get data from remote website
'Author: babyt (atai)
'Url: http://blog.csdn.net/babyt
'Createat: 2002-02 lastupdate: 2004-09
'Db table: Data
'Table field:
'Uid-> long-> keep ID of the pages
'Ucontent-> text-> keep content of the pages (HTML)
'================================================ ============

Server. scripttimeout = 5000

'On error resume next
Set conn = server. Createobject ("ADODB. Connection ")
Conn. Open "provider = Microsoft. Jet. oledb.4.0; Data Source =" & server. mappath ("getit. mdb ")
Set rs = server. Createobject ("ADODB. recordset ")
SQL = "select * from data"
Rs. Open SQL, Conn, 1, 3

Dim comefrom, myerr, mycount

'================================================ ========================
Comefrom = "http://www.xxx.com/U.asp? Id ="
Myerr1 = "this document does not exist"
Myerr2 = "this document is hidden"
'================================================ ========================

'*************************************** ************************
'You only need to change the start point intmin and end point intmax here, and set the step size intstep
'Set each interval to about 50 thousand. It may take more than two hours. No manual intervention is required during this period.
'*************************************** *************************
Intmin = 0
Intmax= 10000
'Set The step size
Intstep = 100

'================================================ ==============================
'BelowCode Do not change
'================================================ ==============================
Call getpart (intmin)
Response. Write "converted" & intmin &"~~ "& Intmax &" data"
Rs. Close
Set rs = nothing
Conn. Close
Set conn = nothing
%>
</Body>
</Html>
<%
'Use XMLHTTP to capture the address and process the content concurrently
Function getbody (URL)
Dim objxml
On Error resume next
Set objxml = Createobject ("Microsoft. XMLHTTP ")
With objxml
. Open "get", URL, false ,"",""
. Send
Getbody =. responsebody
End
Getbody = bytestobstr (getbody, "gb2312 ")
Set objxml = nothing
End Function
'Use ADODB. Stream to process binary data
Function bytestobstr (strbody, codebase)
Dim objstream
Set objstream = server. Createobject ("ADODB. Stream ")
Objstream. type = 1
Objstream. mode = 3
Objstream. Open
Objstream. Write strbody
Objstream. Position = 0
Objstream. type = 2
Objstream. charset = codebase
Bytestobstr = objstream. readtext
Objstream. Close
Set objstream = nothing
End Function
'Main Function
Function getpart (istart)
Dim IGO
Time1 = timer ()
Mycount = 0
For IGO = istart to istart + intstep
If IGO <= intmax then
Response. Execute comefrom & IGO
'For simple data processing
Content = getbody (comefrom & IGO)
Content = Replace (content, CHR (34 ),""")
If instr (content, myerr1) or instr (content, myerr2) then
'Skip error message
Else
'Write to database
Rs. addnew
RS ("uid") = IGO
'********************************
RS ("ucontent") = Replace (content, ", CHR (34 ))
'*********************************
Rs. Update
Mycount = mycount + 1
Response. Write IGO & "<br>"
Response. Flush
End if
Else
Response. Write "<font color = Red> successfully captured" & mycount & "records ,"
Time2 = timer ()
Response. Write "Time consumed:" & int (formatnumber (time2-time1) * 000000,3) & "seconds </font> <br>"
Response. Flush
Exit Function
End if
Next
Response. Write "<font color = Red> successfully captured" & mycount & "records ,"
Time2 = timer ()
Response. Write "Time consumed:" & CINT (formatnumber (time2-time1), 3) & "seconds </font> <br>"
Response. Flush
'Recursion
Getpart (IGO + 1)
End function %>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
execute batch file on remote computer xmlhttp status 400 xmlhttp status 404 java code to execute batch file on remote machine batch how to read packet captures batch function

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

What's Trending
Top 10 Tags
datastax versions naming convention zookeeper client class definition md5 microsoft sql server 2005 data structures exception handling error handling
Top 10 Keywords
microsoft download center down wordpress address url site address url wordpress address url windows installer 4 0 download 302 not found web address url definition site address url wordpress db2 integer mac os installation step by step pdf abbreviation for return

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More