【iOS】沙盒目录

有关沙盒目录参考：

http://blog.csdn.net/totogo2010/article/details/7669837

获取沙盒路径，参考代码： 

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory=[paths objectAtIndex:0];//Documents目录
NSLog(@"NSDocumentDirectory:%@",documentsDirectory);

不过现在Mac上的路径变了，如下：

~/Library/Developer/CoreSimulator/Devices ...