- (void)openCountdown {
    
    // 判斷用戶有沒有登錄
    if ([OJPNSUserDefaultsTools isLogin]) {
        // 如果登錄了則一直更新坐標(biāo)
        [OJPNSUserDefaultsTools setIsUpdateLocation:YES];
    }
    else {
        // 沒有登錄則不更新
        [OJPNSUserDefaultsTools setIsUpdateLocation:NO];
    }
    
//    NSLog(@"Location_啦啦啦啦--開始更新用戶位置了.....");
    
    dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
    dispatch_source_t _timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue);
    dispatch_source_set_timer(_timer, dispatch_walltime(NULL, 0), 1.0 * NSEC_PER_SEC, 0);
    // 每秒執(zhí)行一次 總時(shí)長(zhǎng)10分鐘
    NSTimeInterval seconds = 10*60.f; //10*60.f;//20;
    NSDate *endTime = [NSDate dateWithTimeIntervalSinceNow:seconds];
    // 最后期限
    dispatch_source_set_event_handler(_timer, ^{
        int interval = [endTime timeIntervalSinceNow];
        if (interval > 0) {
            // 更新倒計(jì)時(shí)
            NSString *timeStr = [NSString stringWithFormat:@"%d秒", interval];
            dispatch_async(dispatch_get_main_queue(), ^{
//                NSLog(@"Location_距離下次更新用戶位置時(shí)間還剩%@",timeStr);
            });
        }
        else {
            // 倒計(jì)時(shí)結(jié)束，關(guān)閉
            dispatch_source_cancel(_timer);
            dispatch_async(dispatch_get_main_queue(), ^{
                // 重復(fù)執(zhí)行 如果當(dāng)前在更新用戶位置信息，則重復(fù)執(zhí)行
                if ([OJPNSUserDefaultsTools getIsUpdateLocation]) {
                    [OJPNSUserDefaultsTools setIsUpdateLocation:NO];
                    OJPMainTabBarController *mainTabBar = [OJPMainTabBarController shareViewController];
                    UINavigationController *oneNav = mainTabBar.childViewControllers[0];
                    OJPNewHomeMapViewController *oneHome = oneNav.viewControllers[0];
                    [oneHome configLocationManagerRequestUnderway:NO];
                }
            });
        }
    });
    dispatch_resume(_timer);
}