analizar xml de yahoo weather

josejoa · #1 (**permalink**) 08/12/2008, 02:04

Estoy intentando analizar con javascript el xml de yahoo weather. Este es el xml de yahoo que se obtiene en esta direccion (debajo pongo el código para analizar el xml y los errores) http://weather.yahooapis.com/forecastrss?u=c&p=SPXX0183

xml de yahoo >>>>>>>

Código xml:

Ver original<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<rss version="2.0" xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#">
<channel>
 
<title>Yahoo! Weather - Salou, SP</title>
<link>http://us.rd.yahoo.com/dailynews/rss/weather/Salou__SP/*http://weather.yahoo.com/forecast/SPXX0183_c.html</link>
<description>Yahoo! Weather for Salou, SP</description>
<language>en-us</language>
<lastBuildDate>Sun, 07 Dec 2008 9:00 am CET</lastBuildDate>
<ttl>60</ttl>
<yweather:location city="Salou" region="" country="SP"/>
<yweather:units temperature="C" distance="km" pressure="mb" speed="kph"/>
<yweather:wind chill="9" direction="330" speed="8.05" />
<yweather:atmosphere humidity="82" visibility="9.99" pressure="0" rising="1" />
<yweather:astronomy sunrise="8:07 am" sunset="5:27 pm"/>
<image>
<title>Yahoo! Weather</title>
<width>142</width>
<height>18</height>
<link>http://weather.yahoo.com</link>
<url>http://l.yimg.com/us.yimg.com/i/us/nws/th/main_142b.gif</url>
</image>
<item>
<title>Conditions for Salou, SP at 9:00 am CET</title>
<geo:lat>41.07</geo:lat>
<geo:long>1.13</geo:long>
<link>http://us.rd.yahoo.com/dailynews/rss/weather/Salou__SP/*http://weather.yahoo.com/forecast/SPXX0183_c.html</link>
<pubDate>Sun, 07 Dec 2008 9:00 am CET</pubDate>
<yweather:condition text="Fair" code="34" temp="10" date="Sun, 07 Dec 2008 9:00 am CET" />
<description><![CDATA[
<img src="http://l.yimg.com/us.yimg.com/i/us/we/52/34.gif"/><br />
<b>Current Conditions:</b><br />
Fair, 10 C<BR />
<BR /><b>Forecast:</b><BR />
Sun - Foggy. High: 15 Low: 7<br />
Mon - Foggy. High: 14 Low: 6<br />
<br />
<a href="http://us.rd.yahoo.com/dailynews/rss/weather/Salou__SP/*http://weather.yahoo.com/forecast/SPXX0183_c.html">Full Forecast at Yahoo! Weather</a><BR/>
(provided by The Weather Channel)<br/>
]]></description>
<yweather:forecast day="Sun" date="7 Dec 2008" low="7" high="15" text="Foggy" code="20" />
<yweather:forecast day="Mon" date="8 Dec 2008" low="6" high="14" text="Foggy" code="20" />
<guid isPermaLink="false">SPXX0183_2008_12_07_9_00_CET</guid>
</item>
</channel>
</rss><!-- api3.weather.ac4.yahoo.com uncompressed/chunked Sun Dec 7 00:27:43 PST 2008 -->
/chunked Sat Dec 6 16:38:39 PST 2008 -->
8 -->

-----------------------------------
página html para analizar el xml de yahoo >>>>>

Código html:

Ver original<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Ejemplo de Obtener Temperatura via XML</title>
<script type="text/javascript">
function parseXML()
{
try //Internet Explorer
{
xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
}
catch(e)
{
try //Firefox, Mozilla, Opera, etc.
{
xmlDoc=document.implementation.createDocument(""," ",null);
}
catch(e) {alert(e.message)}
}
 
xmlDoc.async=false;
xmlDoc.load("weather.xml");
 
temperatura=xmlDoc.getElementsByTagName("yweather: condition")[0].Attributes[2].nodeValue;
 
document.getElementById("temp").innerHTML=temperat ura;
 
}
 
</script>
 
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /></head>
<body onload="parseXML()">
<b>Temperatura:</b> <span id="temp"></span><br />
 
</body>
</html>

---------
Todas las veces me da un error, en internet explorer error en la línea 23 "se requiere un objeto". En firefox con el firebug también en la línea 23 "xmlDoc.getElementsByTagName("yweather:conditi on")[0] is undefined"

muchas gracias

jam1138 · #2 (**permalink**) 08/12/2008, 11:23

Por favor, evita duplicar temas. Va contra las normas del foro.

Continúa en: http://www.forosdelweb.com/f13/anali...eather-651864/