摘要：
1-延迟执行可以安排其线程(1),主队列 dispatch_queue_t queue= dispatch_get_main_queue(); dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(5.0 * NSEC_PER... 阅读全文
摘要：
/** *获取全局并发队列 */ dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0); // 1.添加到异步任务队列中执行,开启新线程 dispatch_async(q... 阅读全文