swift学习网站
http://letsswift.com/category/swiftguide/
http://www.imooc.com/course/list?is_easy=3&c=ios
http://www.swiftv.cn/
http://www.imooc.com/course/list?is_easy=3&c=ios
http://www.swiftv.cn/
http://open.163.com/special/opencourse/ios8.html
iOS学习资料: