XMLHTTP obtains web access header information and sample code analysis of web pages-XML/RSS Tutorial-php.cn

Home

Backend Development

XML/RSS Tutorial

XMLHTTP obtains web access header information and sample code analysis of web pages

黄舟

Mar 27, 2017 pm 04:45 PM

XMLHTTP obtains web access header information and sample code analysis of web pages

<%
　　 
Function BytesToBstr(body,Cset)
　　 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 = Cset
　　 BytesToBstr = objstream.ReadText
　　 objstream.Close
　　 set objstream = nothing
End Function
　　 
url=request.form("url")
if trim(url)<>"" then
　　 set xml = Server.CreateObject("MSXML2.XMLHTTP.5.0")
　　 xml.open "GET",url, False
　　 xml.send
　　 bo = BytesToBstr(xml.ResponseBody,"UTF-8")
　　 header = xml.GetAllResponseHeaders
　　 set xml = nothing
end if
　　 
%>
<html>
　　 
<head>
<title>XMLHTTP测试</title>
<meta http-equiv="Content-Type" content="text/html;charset=gb2312">
</head>
　　 
<body bgcolor="#D4D0C8" topmargin="20" leftmargin="0" rightmargin="0" bottommargin="0" marginwidth="0" marginheight="0">
　　 
<div align="center">
　　 <table border="1" width="770px" cellspacing="0" cellpadding="0" bordercolorlight="#808080" bordercolordark="#FFFFFF" height="356">
　　　　 <tr>
　　　　　　 <form method="post">
　　　　　　　　 <td align="center" height="50">
　　　　　　　　 <input type="text" name="url" style="width:700;height:20" value="<%=url%>">
　　　　　　　　 <input type="submit" value="查看"> </td>
　　　　　　 </form>
　　　　 </tr>
　　　　 <tr>
　　　　　　 <td align="center" height="124">
　　　　　　 <textarea id="Textarea2" name="Textarea2" rows="7" cols="105"><%=header%></textarea></td>
　　　　 </tr>
　　　　 <tr>
　　　　　　 <td height="230" align="center">
　　　　　　 <textarea id="Textarea1" name="Textarea1" rows="14" cols="105"><%=bo%></textarea></td>
　　　　 </tr>
　　 </table>
</div>
　　 
</body>
　　 
</html>

The above is the detailed content of XMLHTTP obtains web access header information and sample code analysis of web pages. For more information, please follow other related articles on the PHP Chinese website!

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Mastering Well-Formed XML: Best Practices for Data ExchangeMay 14, 2025 am 12:05 AM

Well-formedXMLiscrucialfordataexchangebecauseitensurescorrectparsingandunderstandingacrosssystems.1)Startwithadeclarationlike.2)Ensureeveryopeningtaghasaclosingtagandelementsareproperlynested.3)Useattributescorrectly,enclosingvaluesinquotesandavoidin

XML: Is it still used?May 13, 2025 pm 03:13 PM

XMLisstillusedduetoitsstructurednature,humanreadability,andwidespreadadoptioninenterpriseenvironments.1)Itfacilitatesdataexchangeinsectorslikefinance(SWIFT)andhealthcare(HL7).2)Itshuman-readableformataidsinmanualdatainspectionandediting.3)XMLisusedin

The Anatomy of an RSS Document: Structure and ElementsMay 10, 2025 am 12:23 AM

The structure of an RSS document includes three main elements: 1.: root element, defining the RSS version; 2.: Containing channel information, such as title, link, and description; 3.: Representing specific content entries, including title, link, description, etc.

Understanding RSS Documents: A Comprehensive GuideMay 09, 2025 am 12:15 AM

RSS documents are a simple subscription mechanism to publish content updates through XML files. 1. The RSS document structure consists of and elements and contains multiple elements. 2. Use RSS readers to subscribe to the channel and extract information by parsing XML. 3. Advanced usage includes filtering and sorting using the feedparser library. 4. Common errors include XML parsing and encoding issues. XML format and encoding need to be verified during debugging. 5. Performance optimization suggestions include cache RSS documents and asynchronous parsing.

RSS, XML and the Modern Web: A Content Syndication Deep DiveMay 08, 2025 am 12:14 AM

RSS and XML are still important in the modern web. 1.RSS is used to publish and distribute content, and users can subscribe and get updates through the RSS reader. 2. XML is a markup language and supports data storage and exchange, and RSS files are based on XML.

Beyond Basics: Advanced RSS Features Enabled by XMLMay 07, 2025 am 12:12 AM

RSS enables multimedia content embedding, conditional subscription, and performance and security optimization. 1) Embed multimedia content such as audio and video through tags. 2) Use XML namespace to implement conditional subscriptions, allowing subscribers to filter content based on specific conditions. 3) Optimize the performance and security of RSSFeed through CDATA section and XMLSchema to ensure stability and compliance with standards.

Decoding RSS: An XML Primer for Web DevelopersMay 06, 2025 am 12:05 AM

RSS is an XML-based format used to publish frequently updated data. As a web developer, understanding RSS can improve content aggregation and automation update capabilities. By learning RSS structure, parsing and generation methods, you will be able to handle RSSfeeds confidently and optimize your web development skills.

JSON vs. XML: Why RSS Chose XMLMay 05, 2025 am 12:01 AM

RSS chose XML instead of JSON because: 1) XML's structure and verification capabilities are better than JSON, which is suitable for the needs of RSS complex data structures; 2) XML was supported extensively at that time; 3) Early versions of RSS were based on XML and have become a standard.

See all articles