本地推送

　　　　 notification.fireDate=[now dateByAddingTimeInterval:1]; //触发通知的时间
        notification.repeatInterval=0; //循环次数，kCFCalendarUnitWeekday一周一次
        notification.timeZone=[NSTimeZone defaultTimeZone];
        notification.soundName = UILocalNotificationDefaultSoundName;
        notification.alertBody=msg;
        notification.alertAction = @"打开";  //提示框按钮
        notification.hasAction = YES; //是否显示额外的按钮，为no时alertAction消失
        notification.applicationIconBadgeNumber = 0; //设置app图标右上角的数字
        [[UIApplication sharedApplication] scheduleLocalNotification:notification];