在OSS API文档中,使用DATE表示时间的字段。该字段必须为HTTP1.1中支持的三种GMT格式时间,您仅需提供三种格式中的任意一种即可。

说明 HTTP1.1协议详情请参见HTTP1.1协议说明
DATE字段具体的格式可参考如下格式:
HTTP-date = rfc1123-date | rfc850-date | asctime_date
其中,
rfc1123-date = wkday "," SP date1 SP time SP "GMT"
rfc850-date = weekday "," SP date2 SP time SP "GMT"
asctime-date = wkday SP date3 SP time SP 4DIGIT
date1  = 2DIGIT SP month SP 4DIGIT
           ; day month year (e.g., 02 Jun 1982)
date2  = 2DIGIT "-" month "-" 2DIGIT
           ; day-month-year (e.g., 02-Jun-82)
date3   = month SP ( 2DIGIT | ( SP 1DIGIT ))           
           ; month day (e.g., Jun  2)           <-----  注意:  日期没有前导零,需空格占位。
SP表示空格,DIGIT表示数值,2DIGIT表示两位的数值。
wkday  = "Mon" | "Tue" | "Wed" | "Thu" | "Fri" | "Sat" | "Sun"
weekday  = "Monday" | "Tuesday" | "Wednesday" | "Thursday" | "Friday" | "Saturday" | "Sunday" 
month  = "Jan" | "Feb" | "Mar" | "Apr" | "May" | "Jun" | "Jul" | "Aug" | "Sep" | "Oct" | "Nov" | "Dec"