odoo根据当前时间生成序列号
http://blog.csdn.net/u012441139/article/details/61923345
Legend (for prefix, suffix)
Current Year with Century: %(year)s
Current Year without Century: %(y)s
Month: %(month)s
Day: %(day)s
Day of the Year: %(doy)s
Week of the Year: %(woy)s
Day of the Week (0:Monday): %(weekday)s
Hour 00->24: %(h24)s
Hour 00->12: %(h12)s
Minute: %(min)s
Second: %(sec)s
https://www.odoo.com/zh_CN/forum/help-1/question/sequence-in-odoo-106394
