varlast_data=conn.QuerySingleOrDefault<DateTime>(" select MAX(create_time) from dc_auto_purchase_advise ");
if((DateTime.Now-last_data).TotalMinutes<=20)
if((DateTime.Now-last_data).TotalMinutes<=20)
{
return;
}
vartask_name="ResetPurchaseAdvise_v1";
// 查询最后一次成功抓取的记录
varlast_task_synchro_log=conn.QuerySingleOrDefault<task_synchro_log>(" select * from task_synchro_log where task_name=@task_name and status=1 order by end_time desc limit 1 ",new{task_name=task_name});