问题
How can I unzip a file in MacOS X Obj-C? What frameworks do I need and what is the call?
回答1:
You might find something helpful here at CocoaDev or with theunarchiver. theunarchiver is a nice utility that handles many archive formats and since it's open-source, you may be able to use some of their code to do what you want, though it's LGPL, which may or may not be compatible with what you're doing.
回答2:
libz.1.2.3.dylib is the framework you should add to your project.
And use the the classes: http://code.google.com/p/ziparchive/downloads/list
来源：https://stackoverflow.com/questions/2624767/how-can-i-unzip-a-file-in-macos-x-obj-c