UPDATE role role_name = #{roleName}, priority = #{priority}, father_id = #{fatherId}, WHERE id = #{id} SELECT id FROM role role_name = #{roleName} SELECT role_name FROM role id = #{id} SELECT id,role_name FROM role AND market IN #{market} SELECT id,role_name,priority FROM role father_id = #{id} ORDER BY priority desc INSERT INTO role (role_name, priority, father_id, market) VALUES (#{roleName}, #{priority}, #{fatherId}, #{market}) DELETE FROM role_menu WHERE role_id = #{id}; DELETE FROM role WHERE id = #{id}; SELECT r.id AS id, r.role_name AS roleName, r.priority AS priority, r.father_id AS fatherId, -- 通过自连接查询父角色名称 father.role_name AS fatherName FROM role r -- 自连接，通过 father_id 关联父角色 LEFT JOIN role father ON r.father_id = father.id AND r.market IN #{market} r.role_name LIKE CONCAT('%', #{roleName}, '%') ORDER BY r.priority DESC select r.id as id, r.role_name as roleName, r.market as market, r.father_id as fatherId, father.market as fatherMarket, father.role_name as fatherName from role as r -- 自连接，通过 father_id 关联父角色 LEFT JOIN role as father ON r.father_id = father.id where r.id = #{id}