时间查询

更新时间：2022-09-22 09:57:01

str_sql := str_sql + ' and a.starttime >= ' + QuotedStr(FormatDateTime('yyyy-mm-dd',dtpbegin.DateTime)+' 00:00:00');

str_sql := str_sql + ' and a.stoptime <= ' + QuotedStr(FormatDateTime('yyyy-mm-dd',dtpend.DateTime)+' 00:00:00');