您必须使用准备好的语句来执行此操作。就像是：
SET @s = CONCAt('select * from ', @Cat, ' where ID = ', @ID_1);PREPARE stmt1 FROM @s; EXECUTE stmt1; DEALLOCATE PREPARE stmt1;
您必须使用准备好的语句来执行此操作。就像是：
SET @s = CONCAt('select * from ', @Cat, ' where ID = ', @ID_1);PREPARE stmt1 FROM @s; EXECUTE stmt1; DEALLOCATE PREPARE stmt1;名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
