1 | #按小时分组 |
时间段字符如下1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26%a - The abbreviated weekday name (''Sun'')
%A - The full weekday name (''Sunday'')
%b - The abbreviated month name (''Jan'')
%B - The full month name (''January'')
%c - The preferred local date and time representation
%d - Day of the month (01..31)
%H - Hour of the day, 24-hour clock (00..23)
%I - Hour of the day, 12-hour clock (01..12)
%j - Day of the year (001..366)
%m - Month of the year (01..12)
%M - Minute of the hour (00..59)
%p - Meridian indicator (''AM'' or ''PM'')
%S - Second of the minute (00..60)
%U - Week number of the current year,
starting with the first Sunday as the first
day of the first week (00..53)
%W -Week number of the current year,
starting with the first Monday as the first
day of the first week (00..53) 该句有错误, 滚动下方参考w3c 一年的第几周,以星期一作为一周的开始计算应该是:%u
%w - Day of the week (Sunday is 0, 0..6)
%x - Preferred representation for the date alone, no time
%X - Preferred representation for the time alone, no date
%y - Year without a century (00..99)
%Y - Year with century
%Z - Time zone name
%% - Literal ''%'' character
使用实例
1 | doctor_chart_new = AgentOrder.find_by_sql(" |
1 | # w3c 更准确 |