摘要: NSObject类的performSelectorOnMainThread和performSelectorInBackground可以实现简单的多线程编程技术1、- (void)performSelectorInBackground:(SEL)aSelector withObject:(id)arg 阅读全文
posted @ 2017-02-06 16:51 仗剑走天下 阅读(219) 评论(0) 推荐(0) 编辑