记录,防止遗忘!sql如下:
SELECT IFNULL((SELECT sum(EO_using_value) FROM cq_energy_other as eo WHERE eo.EO_type = #{energyType} and DATE_FORMAT(EO_alt,'%Y-%m-%d') = curdate()),0) as vals;
记录,防止遗忘!sql如下:
SELECT IFNULL((SELECT sum(EO_using_value) FROM cq_energy_other as eo WHERE eo.EO_type = #{energyType} and DATE_FORMAT(EO_alt,'%Y-%m-%d') = curdate()),0) as vals;
道可道,非常道;名可名,非常名。 无名,天地之始,有名,万物之母。 故常无欲,以观其妙,常有欲,以观其徼。 此两者,同出而异名,同谓之玄,玄之又玄,众妙之门。