标签:objective-c
Category 分类@surface class (ca) @endm文件
@implementation class (ca) { } @end
id 万能指针
(oc对象)
比如class *c = [class new]等同于
id c=[class new];可以这样理解
id== NSObject *
转载注明源地址 http://blog.csdn.net/fried_potatoes
【objectivet-c】语法(五)Category和id
标签:objective-c
原文地址:http://blog.csdn.net/fried_potatoes/article/details/42105185