sql不用拼接语句实现动态查询条件

DECLARE @oFrom INTSET @oFrom = 2SELECT * FROM baseinfo WHERE 1 = 1AND ((@oFrom = 0 and Type = 'OrderFrom' ) or ( @oFrom = 1 and Type = 'BillStatus' ) or ( @oFrom = 2 and Type = 'Breakfast'))

or的条件可自由添加，尤其适用互斥条件的查询。