#今天
select * from 表名 where to_days(時間欄位名) = to_days(now());
#昨天
select * from 表名 where to_days( now( ) ) – to_days( 時間欄位名) <= 1
#7天
select * from 表名 where date_sub(curdate(), interval 7 day) <= date(時間欄位名)
#近30天
select * from 表名 where date_sub(curdate(), interval 30 day) <= date(時間欄位名)
#本月
select * from 表名 where date_format( 時間欄位名, 『%y%m』 ) = date_format( curdate( ) , 『%y%m』 )
#上一月
select * from 表名 where period_diff( date_format( now( ) , 『%y%m』 ) , date_format( 時間欄位名, 『%y%m』 ) ) =1
複製**
date_default_timezone_set('prc'); //預設時區
echo
"今天:",date("y-m-d",time()),"
";
echo
"今天:",date("y-m-d",strtotime("18 june 2008")),"
";
echo
"昨天:",date("y-m-d",strtotime("-1 day")), "
";
echo
"明天:",date("y-m-d",strtotime("+1 day")), "
";
echo
"一周後:",date("y-m-d",strtotime("+1 week")), "
";
echo
"一周零兩天四小時兩秒後:",date("y-m-d g:h:s",strtotime("+1 week 2 days 4 hours 2 seconds")), "
";
echo
"下個星期四:",date("y-m-d",strtotime("next thursday")), "
";
echo
"上個周一:".date("y-m-d",strtotime("last monday"))."
";
echo
"乙個月前:".date("y-m-d",strtotime("last month"))."
";
echo
"乙個月後:".date("y-m-d",strtotime("+1 month"))."
";
echo
"十年後:".date("y-m-d",strtotime("+10 year"))."
";
複製**
select date_format(create_time,'%y%u') weeks,count(id) count from role group by weeks;
select date_format(create_time,'%y%m%d') days,count(id) count from role group by days;
select date_format(create_time,'%y%m') months,count(id) count from role group by months
複製**
select from_unixtime(create_time,'%y%u') weeks,count(id) count from role group by weeks;
select from_unixtime(create_time,'%y%m%d') days,count(id) count from role group by days;
select from_unixtime(create_time,'%y%m') months,count(id) count from role group by months
複製**
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