SQL 递归 通过父级ID获取到改父级下所有的子级

  BEGIN ;
            WITH Corps AS
                (
                    SELECT StruID,
                           StruType
                    FROM   OperAllowDB.dbo.TCorpStructure
                    WHERE  ParentStruID = @StruID
                    UNION ALL
                    SELECT A.StruID,
                           A.StruType
                    FROM   OperAllowDB.dbo.TCorpStructure A
                    JOIN   Corps B ON A.ParentStruID = B.StruID
                )
            --返回自己和所有的子节点
            SELECT StruID
            FROM   Corps
            WHERE  StruType = 'D' ;
        END ;