04 2017 档案

assign与weak，野指针
摘要：@property(nonatomic, assign) void(^block)();- (void)viewDidLoad { [superviewDidLoad]; int value = 10; void(^blockC)() = ^{ NSLog(@"just a block %d", v 阅读全文
posted @ 2017-04-14 16:47 youngyi 阅读(181) 评论(0) 推荐(0)