- (IBAction)sendLocalPush:(UIButton *)sender {
  //8s后提醒
  //    UNTimeIntervalNotificationTrigger *trigger1 = [UNTimeIntervalNotificationTrigger triggerWithTimeInterval:8 repeats:NO];

  //每周一早上 8：00 提醒我给起床
  //    NSDateComponents *components = [[NSDateComponents alloc] init];
  //    components.weekday = 2;
  //    components.hour = 8;
  //    UNCalendarNotificationTrigger *trigger3 = [UNCalendarNotificationTrigger triggerWithDateMatchingComponents:components repeats:YES];
  //
  //    //需导入定位库   #import <CoreLocation/CoreLocation.h>
  //    //一到距离(123.333, 123.344）点20米就喊我下车
  //    CLRegion *region = [[CLRegion alloc] initCircularRegionWithCenter:CLLocationCoordinate2DMake(123.333, 123.344) radius:20 identifier:@"regionidentifier"];
  //
  //    UNLocationNotificationTrigger *trigger4 = [UNLocationNotificationTrigger triggerWithRegion:region repeats:NO];

  if (@available(iOS 10.0, *)) {
      UNMutableNotificationContent *content = [[UNMutableNotificationContent alloc] init];
      content.title = @"this is Notifications";
      content.subtitle = @"本地通知";
      content.body = @"推送一条本地通知";
      content.badge = @1;
      content.userInfo = @{@"type":@"this is a userNotification"};
      //每小时重复 1 次喊我喝水
      UNTimeIntervalNotificationTrigger *trigger2 = [UNTimeIntervalNotificationTrigger triggerWithTimeInterval:60 repeats:YES];
      NSString *requestIdentifier = @"sampleRequest";
      UNNotificationRequest *request = [UNNotificationRequest requestWithIdentifier:requestIdentifier content:content trigger:trigger2];
      UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
      [center addNotificationRequest:request withCompletionHandler:^(NSError * _Nullable error) {
          if (error) {
              NSLog(@"本地消息推送失败：%@", error);
          }
      }];
  } else {
      // Fallback on earlier versions
  }
}