//如果版本升级到了8.0以上需要先注册才能使用
if([UIApplicationinstancesRespondToSelector:@selector(registerUserNotificationSettings:)])
{
[[UIApplicationsharedApplication]registerUserNotificationSettings:[UIUserNotificationSettingssettingsForTypes:UIUserNotificationTypeAlert|UIUserNotificationTypeBadge|UIUserNotificationTypeSoundcategories:nil]];
}
UILocalNotification*ln = [[UILocalNotificationalloc]init];
//ln.soundName = @"buyao.wav";
ln.alertBody=@"fewweweewewewweew";
ln.fireDate= [NSDatedateWithTimeIntervalSinceNow:5];
[[UIApplicationsharedApplication]scheduleLocalNotification:ln];
