摘要: 1.第一种方法声明block:- (void)test:(int) param_1 completion:(void(^)(int)) completion;实现block:-(void)test:(int)param_1 completion:(void (^)(int))completion {... 阅读全文
posted @ 2015-04-23 17:48 wb145230 阅读(337) 评论(0) 推荐(0) 编辑