IOS学习网站

1：IOS开发者笔记：http://blog.csdn.net/ios_che/article/category/2462251

2：IOS Developer Library：https://developer.apple.com/library/ios/navigation/ 

3:http://blog.iderzheng.com/ios-development-official-documents/ 

3：IOS文档官方网站： 

https://developer.apple.com/library/ios/documentation/Cocoa/Reference/Foundation/ObjC_classic/index.html#//apple_ref/doc/uid/20001091

 

 4：iOS Developer Library：https://developer.apple.com/library/ios/navigation/

5：