Hi guys,
I've got a data scraping script that is not picking few html elements/fields that I need.
I can't get the following elements:
product title
price and
specification
It could be that the xpath is not correct since the website has a lots of div/tables without any id or class. Please look at the xpath and the source code of the html page to suggest correction.
cheers
HERE IS MY CODE FOR THE ABOVE
<?php
// go through each product
$products_nodes = $listing_xpath->query('//div/a[contains(@href, "item-details")]');
// get product details
$prod_title_node = $xpath->query('//descendant::h1');
$prod_price_node = $xpath->query('//div[@class="details-subprice"]');
$prod_spec_nodes = $xpath->query('//html/body/table/tbody/tr/td/table[2]/tbody/tr/td[3]/div[2]/table/tbody/tr/td[2]/table/tbody/tr[2]/td/table[2]/*');
/* save specification records */
$group = '';
foreach($prod_spec_nodes as $node)
{
if(preg_match('!h[1234]!i', $node->tagName)) {
$group = $node->nodeValue;
}
$left = $xpath->query('//td[@class="techspec"]', $node)->item(0);
$right = $xpath->query('//td[@class="techvalue"]', $node)->item(0);
if ($left && $right )
{
add_specs(array('productid' => $prodid, 'group' => $group, 'left' => $left->nodeValue, 'right' => $right->nodeValue) );
}
}
?>here is the source code of the target page.
<?php
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Allied Telesis Wireless ADSL 2 x WAN port Multi-po - chisd.co.uk</title>
<meta http-equiv="Content-Type" content="text/html" />
<link rel="shortcut icon" href="/favicon.ico" type="image/vnd.microsoft.icon" />
<meta name="description" content="Allied Telesis Wireless ADSL 2 x WAN port Multi-po (AT-AR750S) at chisd.co.uk. See more technical specifications, photo galleries and customer reviews at chisd.co.uk."/>
<meta name="keywords" content="computer accessories, barebone kits, computer cases, computer parts, pc components, cpus, processors, computers, desktop pc, digital cameras, flash memory, hard drives, laptops, notebooks, cd dvd media, memory, monitors, lcd, motherboards, plasma tv, lcd tv, dlp tv, power protection, printers, projectors, removable storage, scanners, servers, software, usb flash memory, video cards, wireless networking"/>
<meta name="robots" content="index,follow"/>
<meta name="Author" content="SystemaxDEV, Web Development Team"/>
<meta name="copyright" content="©1989-2010 chisd. All rights reserved."/>
<meta name="manufacturer" content=""/>
<meta name="category" content="">
<meta name="MSSmartTagsPreventParsing" content="TRUE"/>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
<link href="/chisd-uk.xml" rel="search" type="application/opensearchdescription+xml" title="chisd UK" />
<link href='/css/site.css' rel='stylesheet' type='text/css'>
<link href="/css/i2contentv3.css" rel="stylesheet" type="text/css">
<script language="JavaScript" type="text/JavaScript" src="/js/site.js"></script>
</head>
<body >
<!-- #CoreMetrics Libraries Start# -->
<script language="javascript1.2" src="/applications/coremetrics/eluminate.js" type="text/javascript"></script>
<script language="javascript1.2" src="/applications/coremetrics/cmdatatagutils.js" type="text/javascript"></script>
<!-- #CoreMetrics Libraries End# -->
<table width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td>
<!-- UK HEADER -->
<table cellpadding="0" cellspacing="0" border="0" width="100%">
<tr valign="top">
<td class="blueGradStretch" width="1"><img src="http://img2.chisd.co.uk/images/spacer.gif" width="1" height="74" alt="" /></td>
<td style="width:940px;" class="blueGradStretch">
<table cellpadding="0" cellspacing="0" border="0" style="width:940px; text-align:left">
<tr>
<td><a href="http://www.chisd.co.uk"><img src="http://img.chisd.co.uk/images/logo.gif" width="267" height="57" alt="chisd. The best deals on IT. Anywhere!" border="0"/><img src="http://img1.chisd.co.uk/images/masthead/padding.gif" width="20" height="57" alt="" /><img src="http://img.chisd.co.uk/images/phoneNo.gif" width="198" height="57" alt="FREEFONE order line: 0800 038 8880" style="text-align:left;" border="0"/></a></td>
<td style="padding-top:6px;" rowspan="2">
<a href="/content/epsonprinters/index.htm?sourceid=3536&cm_sp=epson-_-stylus_nov09-_-TROS"><img src="http://img3.chisd.co.uk/images/sitebanners/epsonstylus_300x60.jpg" width="300" height="60" alt="Accelerate your business with a new Epson Stylus office printer" border="0"></a>
</td>
</tr>
<tr>
<td style="width:514px;" class="searchEngineText">Buy Computer Parts, Components, Laptop Computer Parts, Desktop Computers and Notebooks.</td>
</tr>
</table>
</td>
<td style="background-color:#02206b"> </td>
</tr>
<tr valign="top">
<td class="topMenuStretch"><img src="http://img.chisd.co.uk/images/spacer.gif" width="1" height="22" alt="" /></td>
<td class="topMenuStretch topMenu b">
<a href="http://www.chisd.co.uk" style="color:White;" title="Click Here to Return to the Home Page" class="mainframe">Home</a>
<span class="topMenuDivider"> :: </span>
<a href="/content/about/contact.asp" style="color:White;" title="Click Here to Contact Us" class="mainframe">Contact Us</a>
<span class="topMenuDivider"> :: </span>
<a href="/content/help/index.asp" style="color:White;" title="Click Here to View the Help Centre" class="mainframe">Help & FAQs</a>
<span class="topMenuDivider"> :: </span>
<a href="/content/affiliate/chisdaffiliate.asp" style="color:White;" title="Join our Affiliate Program" class="mainframe">Join our Affiliate Program</a>
<span class="topMenuDivider"> :: </span>
<a href="http://www.chisd.tv" style="color:White;" title="Visit chisd.tv" class="mainframe">chisd.tv</a>
<span class="topMenuDivider"> :: </span>
<a href="https://www.chisd.co.uk/secure/orderlogin.asp?PG=1" style="color:White;" title="Click Here for My Account" class="mainframe">My Account</a>
<span class="topMenuDivider"> :: </span>
<a href="https://www.chisd.co.uk/cgisec/orderTrack.asp" style="color:White;" title="Click Here for Order Tracking" class="mainframe">Order Tracking</a>
<span class="topMenuDivider"> :: </span>
<a href="https://www.chisd.co.uk/applications/configurators/quickorder.asp" style="color:White;" title="Click Here for Quick Order" class="mainframe">Quick Order</a>
<span class="topMenuDivider"> :: </span>
<a href="/content/help/forms/cataloguerequest.asp" style="color:White;" title="Click Here to Request a Catalogue" class="mainframe">Request A Catalogue</a>
<span class="topMenuDivider"> :: </span>
<a href="/content/services/index.asp" style="color:White;" title="Click here for chisd Solutions" class="mainframe">Solutions</a>
</td>
<td class="topMenuStretch"> </td>
</tr>
<tr valign="top">
<td class="searchBarStretch"><img src="http://img3.chisd.co.uk/images/spacer.gif" width="1" height="34" alt="" /></td>
<td class="searchBarStretch">
<table cellpadding="0" cellspacing="0" border="0">
<tr valign="top" align="left">
<td style="padding-left:5px; padding-right:2px; text-align:left; padding-top:10px;" class="size13 b">Search</td>
<td style="padding-right:5px;"><img src="http://img1.chisd.co.uk/images/layout/header/searchBarSearchIcon.gif" width="32" height="34" alt="search" style="vertical-align:middle;" /></td>
<td style="padding-top:6px;" nowrap="nowrap">
<form action="http://www.chisd.co.uk/applications/factfinder/search.asp" method="get">
<input type="text" name="querytext" id="querytext" style="vertical-align: middle; width: 163px; font-family: Arial; font-size: 8pt; line-height: normal; height: 18px;" class="blueBorder" value=""/>
<input src="http://img2.chisd.co.uk/images/layout/header/searchBarGo.gif" alt="Search here & enter a chisd no. or keywords" id="Image1" name="image1" style="vertical-align: middle; padding-left: 7px;" type="image" />
</form>
</td>
<td style="padding-right:5px;padding-left:5px;"><img src="http://img.chisd.co.uk/images/layout/header/searchBarDivider.gif" width="2" height="34" alt="" style="padding-left:7px;padding-right:7px;" /></td>
<td style="padding-right:2px; text-align:left; padding-top:10px;" class="size13 b" nowrap="nowrap">Subscribe to eDeals</td>
<td style="padding-right:5px;"><img src="http://img.chisd.co.uk/images/layout/header/searchBarEmailIcon.gif" width="27" height="34" alt="Get Email Updates" style="vertical-align:middle;" /></td>
<td style="padding-top:6px;padding-right:5px;" nowrap="nowrap">
<form name="subscribe" method="post" action="http://www.chisd.co.uk/newsletter/details.asp">
<script language="javascript" type="text/javascript">
if (navigator.appName == "Netscape") {
document.write("<input type=\"text\" name=\"emailaddress\" style=\"padding-left: 2px; padding-right: 2px; font: 8pt Arial; height: 18px; vertical-align: middle; width: 177px;\" class=\"blueBorder\" size=\"24\"")
document.write(" onfocus=\"if(this.value=='Enter Your Email Address')this.value='';\" onblur=\"if(this.value=='')this.value='Enter Your Email Address';\"")
document.write(" value=\"Enter Your Email Address\">")
} else {
document.write("<input type=\"text\" name=\"emailaddress\" style=\"padding-left:2px; padding-right: 2px; font: 8pt Arial; vertical-align: middle; width: 177px; height: 18px;\"")
document.write(" size=\"23\" class=\"blueBorder\" onfocus=\"if(this.value=='Enter Your Email Address')this.value='';\" onblur=\"if(this.value=='')this.value='Enter Your Email Address';\"")
document.write(" value=\"Enter Your Email Address\">")
}
</script>
<input type="image" src="http://img2.chisd.co.uk/images/layout/header/searchBarGo.gif" alt="Subscribe" id="ImageSubscribe" name="imageSubscribe" style="vertical-align:middle;padding-left:7px;">
<input type="hidden" name="from" value="header" />
</form>
</td>
<td style="padding-right:5px;padding-left:5px;"><img src="http://img.chisd.co.uk/images/layout/header/searchBarDivider.gif" width="2" height="34" alt="" style="padding-left:7px;padding-right:7px;" /></td>
<td style="text-align:left;"><a href="http://www.chisd.co.uk/cgi-bin/shoppingcart.asp"><img src="/images/layout/header/searchBarBasketIcon.gif" width="28" height="34" alt="Basket Summary" style="vertical-align:middle;padding-right:3px;border:none 0px white;" /></a></td>
<td style="text-align:left;padding-top:7px;" nowrap="nowrap">
<div name="TopBasketDIV" id="TopBasketDIV">
<font class="size10" style="line-height:10px;">
<!--<div class="size10" style="line-height:10px;">-->
0
items <a href="http://www.chisd.co.uk/cgi-bin/shoppingcart.asp" title="View Basket" style="color: Black;">(View Basket)</a>
<!--</div>-->
</font>
<BR>
<font class="size11 b red" style="line-height:11px;">
<!-- <div class="size11 b red" style="line-height:11px;"> -->
Total: £0.00 ex VAT
<!-- </div> -->
</font>
<font class="size11 b" style="line-height:11px;">
<!-- <div class="size11 b" style="line-height:11px;"> -->
£0.00 inc VAT
<!-- </div> -->
</font>
</div>
</td>
<td style="padding-top:8px;text-align:right;"></td>
<td style="padding-right:5px;padding-left:9px;"><img src="http://img.chisd.co.uk/images/layout/header/searchBarDivider.gif" width="2" height="34" alt="" style="padding-left:7px;padding-right:7px;" /></td>
<td style="text-align:left;padding-top:7px;" nowrap="nowrap">
<div class="size10" style="padding-left:2px; padding-right:2px; text-align:left; padding-top:3px;" >
</div>
</td>
</tr>
</table>
</td>
<td class="searchBarStretch"> </td>
</tr>
</table>
<!-- UK HEADER ENDS -->
<script language="javascript">
function xmlhttpPost(SKU, EDP, QTY)
{
if (document.getElementById("TopBasketDIV"))
{
if(document.getElementById("TopBasketDIV").innerHTML.indexOf('Updating basket') > 0)
{
alert("Busy...... Please wait and try again");
}
else
{
RunBasketupdate(SKU, EDP, QTY)
}
}
else
{
RunBasketupdate(SKU, EDP, QTY)
}
}
function RunBasketupdate(SKU, EDP, QTY)
{
var xmlHttpReq = false;
var self = this;
var randomnumber=Math.floor(Math.random()*50)
var FB = "P";
var theparams = "linegroup=0&clicksource=ITD&AssocEdpNo=0&"+ SKU + "&linegroup=0&clicksource=ITW";
var strURL = "/cgi-bin/order.asp?TD=" + randomnumber + "&FloatBasket=" + FB ;
// FireFox
if (window.XMLHttpRequest) {
self.xmlHttpReq = new XMLHttpRequest();
updatepage("<div class=prodDescription><font color=red>Updating basket</font></div>","<div class=prodDescription><font color=red>Updating basket</font></div>");
UpdateInBasket(EDP, '<div class=prodDescription><font color=red>Adding to basket</font></div>',0);
if (SKU.indexOf("S=tab7") >= 0 )
{
UpdateInBasket(document.getElementById("warrEdpNo").value, '<div class=prodDescription><font color=red>Adding to basket</font></div>',0);
}
self.xmlHttpReq.open("POST", strURL, true);
self.xmlHttpReq.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
if (theparams != null){self.xmlHttpReq.setRequestHeader("Content-length", theparams.length);}
self.xmlHttpReq.onreadystatechange = function() {
if (self.xmlHttpReq.readyState == 4) {
if (self.xmlHttpReq.status==200)
{
var Stxt = "";
Stxt = self.xmlHttpReq.responseText;
// alert(Stxt);
var s = new Array();
s = Stxt.split("||||||||||");
updatepage(s[0],s[1]);
//alert(QTY);
//Max order qty check for error message
if (s[3].indexOf("##2##") >=0)
{
alert("Quantity exceeded maximum quantity allowed for one of the items ordered and was set to the maximum quantity.");
UpdateInBasket(EDP, s[2], parseInt(s[4]));
}
else
{
UpdateInBasket(EDP, s[2], QTY);
}
if (s[3].indexOf("##10##") >=0)
{
alert("!IMPORTANT MESSAGE! Sorry an item has dropped out of your basket as it is no longer available.");
UpdateInBasket(EDP, "", 9999999);
}
//Warranty Checks
if (SKU.indexOf("S=tab") >= 0 )
{
if (s[3].indexOf("##1##") >=0)
{
alert("This warranty have not been added to your basket");
UpdateInBasket(document.getElementById("warrEdpNo").value,"" ,0 );
}
else
{
if (SKU.indexOf("S=tab7") >= 0 )
//if (document.getElementById("VisBasketItem"+document.getElementById("warrEdpNo")) )
{
if(QTY > 1)
{
warcount = parseInt(document.getElementById("VisBasketItem"+document.getElementById("warrEdpNo").value).attributes.CurrQTY.value) + parseInt(QTY);
}
else
{
warcount = parseInt(document.getElementById("VisBasketItem"+document.getElementById("warrEdpNo").value).attributes.CurrQTY.value) + 1;
}
sendHtm = "<table border='0'><tr><td align=center valign=top><img src='/images/shoppingcart/TrolleyAll.gif' ></td><td valign=middle class=prodDescription>" + (warcount) + " in basket</td></tr></table>";
UpdateInBasket(document.getElementById("warrEdpNo").value,sendHtm ,warcount );
}
}
}
}
else
{
//error stuff
updatepage("ERROR");
}
}
}
self.xmlHttpReq.send(theparams);
}
// IE
else if (window.ActiveXObject) {
self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
updatepage("<div class=prodDescription><font color=red>Updating basket</font></div>","<div class=prodDescription><font color=red>Updating basket</font></div>");
UpdateInBasket(EDP, '<div class=prodDescription><font color=red>Adding to basket</font></div>',0);
if (SKU.indexOf("S=tab7") > -1)
{
UpdateInBasket(document.getElementById("warrEdpNo").value, '<div class=prodDescription><font color=red>Adding to basket</font></div>',0);
}
self.xmlHttpReq.open('POST', strURL, true);
self.xmlHttpReq.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
if (theparams != null){self.xmlHttpReq.setRequestHeader("Content-length", theparams.length);}
self.xmlHttpReq.onreadystatechange = function() {
if (self.xmlHttpReq.readyState == 4) {
if (self.xmlHttpReq.status==200)
{
var Stxt = "";
Stxt = self.xmlHttpReq.responseText;
var s = new Array();
s = Stxt.split("||||||||||");
updatepage(s[0],s[1]);
//Max order qty check for error message
if (s[3].indexOf("##2##") >=0)
{
alert("Quantity exceeded maximum quantity allowed for one of the items ordered and was set to the maximum quantity.");
UpdateInBasket(EDP, s[2], parseInt(s[4]));
}
else
{
UpdateInBasket(EDP, s[2], QTY);
}
if (s[3].indexOf("##10##") >=0)
{
alert("!IMPORTANT MESSAGE! Sorry an item has dropped out of your basket as it is no longer available.");
}
//Warranty Check
if (SKU.indexOf("S=tab") >= 0 )
{
if (s[3].indexOf("##1##") >=0)
{
alert("This warranty have not been added to your basket");
UpdateInBasket(document.getElementById("warrEdpNo").value,"" ,0 );
}
else
{
if (SKU.indexOf("S=tab7") >= 0 )
//if (document.getElementById("VisBasketItem"+document.getElementById("warrEdpNo")) )
{
if(QTY > 1)
{
warcount = parseInt(document.getElementById("VisBasketItem"+document.getElementById("warrEdpNo").value).attributes.CurrQTY.value) + parseInt(QTY);
}
else
{
warcount = parseInt(document.getElementById("VisBasketItem"+document.getElementById("warrEdpNo").value).attributes.CurrQTY.value) + 1;
}
sendHtm = "<table border='0'><tr><td align=center valign=top><img src='/images/shoppingcart/TrolleyAll.gif' ></td><td valign=middle class=prodDescription>" + (warcount) + " in basket</td></tr></table>";
UpdateInBasket(document.getElementById("warrEdpNo").value,sendHtm ,warcount );
}
}
}
}
else
{
//error stuff
updatepage("ERROR","1");
}
}
}
self.xmlHttpReq.send(theparams);
// }
}
}
function UpdateInBasket(EDP, theTxt, QTY)
{
if(document.getElementById("VisBasketItem"+EDP))
{
var currentQTY = document.getElementById("VisBasketItem"+EDP).attributes.CurrQTY.value;
// alert(currentQTY);
var newQTY = parseInt(currentQTY) + parseInt(QTY);
if (parseInt(QTY)==9999999)
{ newQTY = 0; }
//alert(newQTY + '=' + currentQTY + '+' + QTY);
theTxt = theTxt.replace(/##/, newQTY);
document.getElementById("VisBasketItem"+EDP).attributes.CurrQTY.value = newQTY
document.getElementById("VisBasketItem"+EDP).innerHTML = theTxt;
}
}
function updatepage(Topstr,Rightstr){
if ( document.getElementById("TopBasketDIV"))
{
document.getElementById("TopBasketDIV").innerHTML = Topstr;
if(document.getElementById("FloatBasketSide"))
{
if(document.getElementById("largebasketbis")){document.getElementById("largebasketbis").style.display='';}
if (document.getElementById("largebasketbisZERO")){document.getElementById("largebasketbisZERO").style.display='none';}
if (document.getElementById("FloatBasketSide")){document.getElementById("FloatBasketSide").innerHTML = Rightstr;}
if (document.getElementById("itemdetailsCO1")){document.getElementById("itemdetailsCO1").style.display='';}
if (document.getElementById("itemdetailsCO2")){document.getElementById("itemdetailsCO2").style.display='';}
}
if(document.getElementById("SideChkBut"))
{document.getElementById("SideChkBut").style.display='';}
}
}
function VisBasket(SKU,EPD,QTY)
{
//gets Warranties
var WARedpno,WARAss,WARQTY;
if (document.getElementById("warrEdpNo"))
{
WARedpno = document.getElementById("warrEdpNo").value;
WARQTY = document.getElementById("warrQty").value;
WARAss = document.getElementById("warrAssoc").value;
SKU = SKU + '&AssocEdpNo=' + WARAss + '&EdpNo='+WARedpno+'&Qty=' + WARQTY + '&S=tab6';
// '&clicksource=ITW&linegroup=0';
//&Warranty='+WARedpno
}
xmlhttpPost(SKU,EPD,QTY);
}
function UPsellsBuyNow(EPD)
{
//Gets qty before submiting to basket as QTY is set to 0 to being with
if (document.getElementById("q_" + EPD).value==0)
{
upQTY = 1;
}
else
{
upQTY = document.getElementById("q_" + EPD).value
}
SKU = 'EdpNo=' + EPD + '&QTY=' + upQTY + '&Clicksource=ITU';
xmlhttpPost(SKU,EPD,upQTY);
}
</script>
<!--include virtual="/include/liveprice.asp"-->
<!-- Center of front page begins -->
<img src="http://img1.chisd.co.uk/images/spacer.gif" alt="" height="3" width="1"><br/>
<table width="956" border="0" cellpadding="0" cellspacing="0" class="maintbl">
<tr>
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<td width="140" valign="top" bgcolor="">
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<SCRIPT LANGUAGE="JavaScript">
function SetNav(val){
if (val != '0'){
window.location = "/applications/category/category_slc.asp?" + val + "&";
}
}
function SetSort(val){
window.location = "/applications/category/category_slc.asp?Recs=&Nav=&Sort=" + val;
}
function SetRecs(val){
window.location = "/applications/category/category_slc.asp?Sort=&Nav=&Recs=" + val;
}
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<h1>Allied Telesis Wireless ADSL 2 x WAN port Multi-port Router</h1>
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