[LISP程序]：急，急，急，哪位高手帮忙改一下，改图块颜色和层的。

userzhluserzhl

我只想要改图块层的功能，不想改其颜色。

(defun C:ch (/ COL SS CNT IDX BLKNAME DONELIST)
  (defun GRP (GCC EL) (cdr (assoc GCC EL)))
  (defun UPDATE (BNAME COL / ENAME ELIST)
    (setq ENAME (tblobjname "BLOCK" BNAME))
    (if
      (and ENAME
    (zerop (logand 52 (GRP 70 (entget ENAME '("*")))))
      )
       (progn
  (while ENAME
    (if (or (= "INSERT" (GRP 0 (entget ENAME)))
     (= "DIMENSION" (GRP 0 (entget ENAME)))
        )
      (UPDATE (GRP 2 (entget ENAME)) COL)
    )
    (setq ELIST (entget ENAME '("*"))
   ELIST (subst '(8 . "0") (assoc 8 ELIST) ELIST)
   ELIST (if (assoc 62 ELIST)
    (subst (cons 62 COL) (assoc 62 ELIST) ELIST)
    (append ELIST (list (cons 62 COL)))
         )
    )
    (entmod ELIST)
    (setq ENAME (entnext ENAME))
  )
  't
       )
    )
  )
  (if (> (logand (GRP 70 (tblsearch "layer" "0")) 1) 0)
    (princ "\nLayer 0 must be thawed before running FIXBLOCK!\n"
    )
    (progn
      (if
(progn
   (setq COL (acad_colordlg 7))
   (princ "\nPress  to fix all Blocks New Color\n")
   (setq CNT 0
  SS  (ssget '((0 . "INSERT,DIMENSION")))
   )
)
  (progn
    (setq IDX (sslength SS))
    (while (>= (setq IDX (1- IDX)) 0)
      (if
        (not
   (member (setq BLKNAME (GRP 2 (entget (ssname SS IDX))))
    DONELIST
   )
        )
  (progn
    (if (UPDATE BLKNAME COL)
      (setq CNT (1+ CNT))
    )
    (setq DONELIST (cons BLKNAME DONELIST))
  )
      )
    )
  )
  (while (setq BLKNAME (GRP 2 (tblnext "BLOCK" (not BLKNAME))))
    (if (UPDATE BLKNAME COL)
      (setq CNT (1+ CNT))
    )
  )
      )
      (princ (strcat "\n"
       (itoa CNT)
       " block"
       (if (= CNT 1)
         ""
         "s"
       )
       " redefined New Color\n"
      )
      )
    )
  )
  (command "_.REGEN")
  (princ)
)