select Class_fk as 班级,查早操到岗次数=sum(case when MornExercise='到岗' then 1 else 0 end),查早操缺岗次数=sum(case when MornExercise='缺岗' then 1 else 0 end),查公寓到岗次数=sum(case when ApartCheck='到岗' then 1 else 0 end),查公寓缺岗次数=sum(case when ApartCheck='缺岗' then 1 else 0 end)from tbgroup by Class_fk [解决办法]