PB时间段查询string chengbadatetime day_startdatetime day_endday_start=datetime(date(em_1.text),time("00:00:00"))day_end=datetime(date(em_2.text),time("23:59:29"))chengba="t_mat_outbill_mo_outputdate>='"+string（day_start）+"' and (t_mat_outbil

PB时间段查询string chengbadatetime day_startdatetime day_endday_start=datetime(date(em_1.text),time("00:00:00"))day_end=datetime(date(em_2.text),time("23:59:29"))chengba="t_mat_outbill_mo_outputdate>='"+string（day_start）+"' and (t_mat_outbil
PB时间段查询
string chengba
datetime day_start
datetime day_end
day_start=datetime(date(em_1.text),time("00:00:00"))
day_end=datetime(date(em_2.text),time("23:59:29"))
chengba="t_mat_outbill_mo_outputdate>='"+string（day_start）+"' and (t_mat_outbill_mo_outputdate

PB时间段查询string chengbadatetime day_startdatetime day_endday_start=datetime(date(em_1.text),time("00:00:00"))day_end=datetime(date(em_2.text),time("23:59:29"))chengba="t_mat_outbill_mo_outputdate>='"+string（day_start）+"' and (t_mat_outbil
这一句：
chengba="t_mat_outbill_mo_outputdate>='"+string（day_start）+"' and (t_mat_outbill_mo_outputdate=datetime('"+string(day_start)+"')) and (t_mat_outbill_mo_outputdate