用以下代码 打开沙盒目录
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
打印paths得到沙盒目录如下
/Users/mac/Library/Developer/CoreSimulator/Devices/F0E0F371-37BF-4C3D-9DBA-61992B2DEAFF/data/Containers/Data/Application/C9634C76-EF8C-40CE-A718-9542A6D9D8D0/Documents
在Finder上点->前往->前往文件夹，输入/Users/mac/Library/Developer/CoreSimulator/Devices/F0E0F371-37BF-4C3D-9DBA-61992B2DEAFF/data/Containers/Data/Application/C9634C76-EF8C-40CE-A718-9542A6D9D8D0/Documents 前往即可打开目录。