这个月:
unix_timestamp (date_sub (curdate(),间隔一天(curdate()) - 1天));
上个月:
unix_timestamp (date_sub (date_sub (curdate(),间隔一天(curdate()) - 1天),间隔1个月));
这个月:
unix_timestamp (date_sub (curdate(),间隔一天(curdate()) - 1天));
上个月:
unix_timestamp (date_sub (date_sub (curdate(),间隔一天(curdate()) - 1天),间隔1个月));