$today = strtotime(date('Y-m-d', time()));//零点时间戳
        //今日
        $res['today'] = $this->getData($today,time());
        //获取昨日起始时间戳和结束时间戳
        $beginYesterday=mktime(0,0,0,date('m'),date('d')-1,date('Y'));
        $endYesterday=mktime(0,0,0,date('m'),date('d'),date('Y'))-1;
        $res['yesterday'] = $this->getData($beginYesterday,$endYesterday);

        //本周
        $beginThisWeek = mktime(0,0,0,date('m'),date('d')-date('w')+1,date('y'));
        $endThisWeek=time();
        $res['this_week'] = $this->getData($beginThisWeek,$endThisWeek);
        //本月
        $beginThisMonth = mktime(0, 0, 0, date('m'), 1, date('Y'));
        $endThisMonth = mktime(23, 59, 59, date('m'), date('t'), date('Y'));
        $res['this_month'] = $this->getData($beginThisMonth,$endThisMonth);

      
        //上周
        $beginLastWeek = strtotime(date("Y-m-d", strtotime('monday last week')));
        $endLastWeek   = strtotime(date("Y-m-d", strtotime('monday this week - 1 days')));
        $res['last_week'] = $this->getData($beginLastWeek,$endLastWeek);
        //上月
        $beginLastMonth=strtotime(date('Y-m-01', strtotime('-1 month')));
        $endLastMonth=strtotime(date('Y-m-t', strtotime('-1 month')));
        $res['last_month'] = $this->getData($beginLastMonth,$endLastMonth);