nscoder专题

iOS:NSCoder的方法decodeObjectOfClasses:forKey:

- (id)decodeObjectOfClasses:(NSSet *)classes forKey:(NSString *)key

iOS:NSCoder的方法decodeObjectOfClass:forKey:

- (id)decodeObjectOfClass:(Class)aClass forKey:(NSString *)key

iOS:NSCoder的方法decodeObjectForKey:

- (id)decodeObjectForKey:(NSString *)key