Google天气预报的接口

http://www.google.com/ig/api?hl=zh_cn&weather=shanghai

http://www.google.com/ig/api?hl=zh_cn&weather= + 地方拼音,+省拼音

或

http://www.google.com/ig/api?hl=zh_cn&weather= + 地方拼音

返回

<?xml version="1.0" ?>

- < xml_api_reply version =" 1 ">

- < weather module_id =" 0 " tab_id =" 0 " mobile_row =" 0 " mobile_zipped =" 1 " row =" 0 " section =" 0 ">

- < forecast_information >

< city data =" Shanghai, Shanghai " />

< postal_code data =" shanghai " />

< latitude_e6 data ="" />

< longitude_e6 data ="" />

< forecast_date data =" 2010-06-21 " />

< current_date_time data =" 2010-06-21 15:00:00 +0000 " />

< unit_system data =" SI " />

</ forecast_information >

- < current_conditions >

< condition data =" 多云 " />

< temp_f data =" 75 " />

< temp_c data =" 24 " />

< humidity data =" 湿度： 73% " />

< icon data =" /ig/images/weather/mostly_cloudy.gif " />

< wind_condition data =" 风向： 北、风速：2 米/秒 " />

</ current_conditions >

- < forecast_conditions >

< day_of_week data =" 周一 " />

< low data =" 21 " />

< high data =" 29 " />

< icon data =" /ig/images/weather/mostly_sunny.gif " />

< condition data =" 晴间多云 " />

</ forecast_conditions >

- < forecast_conditions >

< day_of_week data =" 周二 " />

< low data =" 23 " />

< high data =" 31 " />

< icon data =" /ig/images/weather/sunny.gif " />

< condition data =" 晴 " />

</ forecast_conditions >

- < forecast_conditions >

< day_of_week data =" 周三 " />

< low data =" 23 " />

< high data =" 31 " />

< icon data =" /ig/images/weather/sunny.gif " />

< condition data =" 晴 " />

</ forecast_conditions >

- < forecast_conditions >

< day_of_week data =" 周四 " />

< low data =" 24 " />

< high data =" 30 " />

< icon data =" /ig/images/weather/mostly_sunny.gif " />

< condition data =" 以晴为主 " />

</ forecast_conditions >

</ weather >

</ xml_api_reply >

接着解析数据。。