天気予報API
yahoo weather api
http://weather.yahooapis.com/forecastrss?p=ロケーションID
ロケーションIDを調べる
http://aspnetresources.com/tools/locid.aspx
★四国のロケーションIDがない。。。
http://www.google.com/ig/api?weather=都市名 http://www.google.com/ig/api?weather=osaka http://www.google.com/ig/api?weather=大阪
簡単rexml
以下のよーなXMLがあって、
<root> <li><a href="/Akita-Japan/JAXX0001/forecast.html">Akita</a></li> <li><a href="/Akune-Japan/JAXX0002/forecast.html">Akune</a></li> <li><a href="/Amagasaki-Japan/JAXX0003/forecast.html">Amagasaki</a></li> <li><a href="/Aomori-Japan/JAXX0004/forecast.html">Aomori</a></li> </root>
↓
#!/usr/bin/ruby require "rexml/document" doc = REXML::Document.new ARGF i = 1 doc.elements.each("root/li/a"){|elm| locid = /(^\/.*\/)(JA.*)\/(forecast.html)/.match(elm.attributes['href'])[2] puts "#{i},#{locid},#{elm.text}" i = i + 1 }
結果
↓
1,JAXX0001,Akita 2,JAXX0002,Akune 3,JAXX0003,Amagasaki 4,JAXX0004,Aomori 5,JAXX0005,Asahikawa