免费天气接口（亲测有效！无效请留言）

1.通过城市名（北京/北京市）获取当前城市当前温度及未来一周天气预报 (Json数据) ：包含台湾的主要县市

接口：http://wthrcdn.etouch.cn/weather_mini?city=北京市；

返回数据：

{"desc":"OK","status":1000,"data":{"wendu":"22","ganmao":"各项气象条件适宜，无明显降温过程，发生感冒机率较低。","forecast":[{"fengxiang":"北风","fengli":"微风级","high":"高温 28℃","type":"晴","low":"低温 15℃","date":"15日星期一"},

{"fengxiang":"南风","fengli":"微风级","high":"高温 31℃","type":"多云","low":"低温 16℃","date":"16日星期二"},

{"fengxiang":"北风","fengli":"微风级","high":"高温 33℃","type":"晴","low":"低温 19℃","date":"17日星期三"},

{"fengxiang":"南风","fengli":"微风级","high":"高温 34℃","type":"晴","low":"低温 21℃","date":"18日星期四"},

{"fengxiang":"南风","fengli":"微风级","high":"高温 34℃","type":"多云","low":"低温 21℃","date":"19日星期五"}],

"yesterday":{"fl":"3-4级","fx":"东北风","high":"高温 27℃","type":"多云","low":"低温 14℃","date":"14日星期日"},"aqi":"76","city":"北京"}}

2.通过城市id（101010100）获取当前城市当前温度及未来一周天气预报 (Json数据) ：

接口：http://wthrcdn.etouch.cn/weather_mini?citykey=101010100；

返回数据：同上。

3.通过城市名（北京/北京市）获取当前城市温度、湿度、空气质量主要参数指数、警告、昨日天气、未来天气、日出日落时间（(⊙﹏⊙)b）（XML数据）：

接口：http://wthrcdn.etouch.cn/WeatherApi?city=北京市;

注意：1、此接口返回的XML数据，对于撸惯Json数据的小伙伴来说，需要再撸下XML解析了；2、台湾城市及大陆一些城市的空气质量数据没有；