mysql查询今天、昨天、本周、本月、上一月 、今年、某年、当年12月每月时间、当年每月每周时间

今天

select * from 表名 where to_days(时间字段名) = to_days(now());

昨天

SELECT * FROM 表名 WHERE TO_DAYS( NOW( ) ) - TO_DAYS( 时间字段名) <= 1

本周

SELECT * FROM  表名 WHERE YEARWEEK( date_format(  时间字段名,'%Y-%m-%d' ) ) = YEARWEEK( now( ) ) ;

本月

SELECT * FROM  表名 WHERE DATE_FORMAT( 时间字段名, '%Y%m' ) = DATE_FORMAT( CURDATE( ) , '%Y%m' )

上一月

SELECT * FROM  表名 WHERE PERIOD_DIFF(date_format(now(),'%Y%m'),date_format(时间字段名,'%Y%m') =1

今年

SELECT * FROM 表名 WHERE YEAR(  时间字段名 ) = YEAR( NOW( ) )

某年

SELECT * FROM 表名 WHERE YEAR(  时间字段名 ) = YEAR(
2008-12-29 16:25:46 )

某年某月

SELECT * FROM 表名 WHERE date_format(FROM_UNIXTIME(time), '%Y%m ')= '200705’

当年12月每月时间

for($k=1;$k<13;$k++){
$cur_y = date('Y',time());//当天年份
$cur_f = $cur_y."-".$k. '-1';//本月首日
$datetime=$cur_y."年".$k."月";
$first = strtotime($cur_f);//时间戳最小值，本月第一天时间戳
//下月首日
if($k>=12){
$cur_n = ($cur_y+1) . '-1-1';
}else{
$cur_n = $cur_y . '-' . ($k+1) . '-1';
}
$last = strtotime($cur_n);//时间戳最大值，下个月第一天时间戳
$between ="时间字段 between ".$first." and ".$last;
}

今年某月每周具体时间--------------------------------------------------------------------------------------------

global $month_list;

$month_list = array(

    1 => "January ",

    2 => "February",

    3 => "Marcy",

    4 => "April",

    5 => "May",

    6 => "June",

    7 => "July",

    8 => "August",

    9 => "September",

    10 => "October",

    11 => " November",

    12 => "December"

);

function getdaysbymonth($month = 1) {

    $days_31 = array(1, 3, 5, 7, 8, 10, 12);

    //闰年的判断定义能被4整除且又能不能被100整除 是闰年能直接被400整除也是闰年

    if ($month == 2) {

        //判断当前是不是闰年

        $year = date("Y");

        $last = substr($month, -2);

        if ($last == "00") { //是整百的倍数就看能否被400整除

            if ($year % 400 == 0) {

                return 29;

            }

        }

        //看能不能被4整除并且又不能被100整除

        if ($year % 4 == 0 && $year % 100 != 0) {

            return 29;

        }

        return 28;

    }

    if (in_array($month, $days_31)) {

        return 31;

    }

    return 30;

}

function gettimelist($tongjitype = 'month', $month = 1) {

    global $month_list;

    $time_begin_last = " 00:00:00"; //开始时间后缀

    $time_end_last = " 23:59:59"; //结束时间后缀

    $year = date("Y");

    $time_list = array();

    switch ($tongjitype) {

        case "month":

            for ($i = 1; $i <= 12; $i++) {

                $days = getdaysbymonth($i);

                $istr = $i < 10 ? "0" . $i : $i;

                $time_list[] = array("begin" => $year . "-" . $istr . "-01" . $time_begin_last, "end" => $year . "-" . $istr . "-" . $days . $time_end_last, "period" => strtotime($year . "-" . $istr . "-" . $days . $time_end_last) - strtotime($year . "-" .
$istr . "-01" . $time_begin_last));

            }

            return $time_list;

            break;

        case "week":

            $days = getdaysbymonth($month);

            $monthstr = $month < 10 ? "0" . $month : $month;

            //先查询当月第一天是周几

            $begin_week = date("w", strtotime($year . "-" . $monthstr . "-" . "01"));

            $last_week = date("w", strtotime($year . "-" . $monthstr . "-" . "$days"));

            $month_en = $month_list[$month];

            $last_monday_date = $last_sunday_date = NUll;

            if ($begin_week == 1) { //当月1号是周一

                $first_monday = $year . "-" . $monthstr . "-" . "01";

                $last_monday_date = $first_monday;

            } else {

                //获取上周一

                $last_monday_date = date("Y-m-d", strtotime("+1 day  1 $month_en  $year  last Sunday"));

                $first_monday = date("Y-m-d", strtotime("+8 day  1 $month_en  $year  last Sunday"));

            };

            if ($last_week == 0) {

                $last_sunday_date = $year . "-" . $monthstr . "-" . $days;

            } else {

                $add_day = 7 - $last_week;

                $last_sunday_date = date("Y-m-d", strtotime("+$add_day day $days $month_en  $year last Sunday"));

            }

            //计算最后一个周末和第一个周一之间有几个周末

            $strchazhi = strtotime($last_sunday_date) - strtotime($last_monday_date);

            $weekcha = ceil($strchazhi / (3600 * 24 * 7));

            for ($i = 1; $i <= $weekcha; $i++) {

                $begin = date("Y-m-d", strtotime($last_monday_date) + ($i - 1) * 3600 * 24 * 7) . $time_begin_last;

                $end = date("Y-m-d", strtotime($begin) + 3600 * 24 * 6) . $time_end_last;

                $time_list[] = array("begin" => $begin, "end" => $end, "period" => strtotime($end) - strtotime($begin));

            }

            return $time_list;

            break;

        default:

            $days = getdaysbymonth($month);

            $monthstr = $month < 10 ? "0" . $month : $month;

            for ($i = 1; $i <= $days; $i++) {

                $istr = $i < 10 ? "0" . $i : $i;

                $time_list[] = array("begin" => $year . "-" . $monthstr . "-" . $istr . $time_begin_last, "end" => $year . "-" . $monthstr . "-" . $istr . $time_end_last, "period" => strtotime($year . "-" . $monthstr . "-" . $istr . $time_end_last) - strtotime($year
. "-" . $monthstr . "-" . $istr . $time_begin_last));

            }

            return $time_list;

            break;

    }

}

$month=gettimelist('week',$Data["month"]);//传入今年几月

for($p=0;$p<count($month);$p++){
$datetime=date("Y-m-d",  strtotime($month[$p]['begin']))."->".date("Y-m-d",  strtotime($month[$p]['end']));
array_push($date, $datetime);//每周时间数组
$between ="clock between ".strtotime($month[$p]['begin'])." and ".strtotime($month[$p]['end']);
$row=DBfetch(DBselect("SELEC * FROM 表名 WHERE ".$between." order by clock DESC"));每一周数据查询

}