ios 产生和监听事件notification

产生事件

[[NSNotificationCenterdefaultCenter] postNotificationName:@"chooseSortType"object:indexPath];

监听事件并注册响应函数

 [[NSNotificationCenterdefaultCenter] addObserver:selfselector:@selector(tableDidSelected:)name:@"chooseSortType"object:nil];

- (void)tableDidSelected:(NSNotification *)notification {

    NSLog(@"clicked");

}