SQL Server select 将类型相同的行合并,并将对应金额相加时间:2023-03-09 13:39:17 select Category,REPLACE(sum(Amount),'-','') as Amountfrom T_Detail WHERE CREATED_BY='6123EC14-50E2-4D4A-AACA-6A9578AAFDBB'group by Category 说明:Amount中的减号为支出标记,统计时去掉