很全套的object-c，iphone，mac编程的事例，从object-c基础，到精通，再转向iphone平台的xcode编程，给出了一路引导深入的Demo。源程序需要改一下iphone程序员的identity标示，这个你懂得。-It is full of object-c, iphone, mac programming examples, from the object-c basis, to the master, and then turned to the xcode iphone