CXLAYOFF图层版本 1.0.0已在 AutoCAD 中测试
关闭你点选对象所在的图层
选中对象，一步关掉它们所在的图层，不用打开图层管理器。
怎么用
- 先选择对象，或输入 CXLAYOFF 再选择。
- 它们所在的图层被关闭。
- 需要时用图层管理器或 CXLAYRES 重新打开。
需要知道
- 当前图层永远不会被关闭。
在 AutoCAD 中加载
- 把文件保存在任意位置。
- 输入 APPLOAD，选择文件，点“加载”。
- 输入命令名：CXLAYOFF。
想每次启动都可用，在同一个对话框里加入“启动组”，或用可选的加载器一次加载整个文件夹。 关于可选的加载器
已在 AutoCAD（完整版）中测试。其他能运行 AutoLISP 的软件也许可用，但未经测试。
代码
纯文本，没有任何隐藏内容。复制后存成名为 cxlayoff.lsp 的文件，或直接下载。
;;; ============================================================================
;;; CXLAYOFF - Switch off the layers of the objects you pick
;;; Version 1.0.0
;;; CADXChange LISP tools - https://cadxchange.net/resources/lisp/cxlayoff
;;; Tested in: AutoCAD (full version). Other programs that run AutoLISP may work but are not tested.
;;; Copyright (c) CADXChange. Free for personal and commercial use; do not resell or
;;; republish it as a collection. Terms: https://cadxchange.net/legal/lisp-terms
;;; ============================================================================
;; Switch off the layers in LAYERS except the current layer. Returns how many were switched off.
(defun cx:layoff-run (layers / n ed)
(setq n 0)
(foreach name layers
(if (and (setq ed (tblsearch "LAYER" name))
(> (cdr (assoc 62 ed)) 0)
(/= (strcase name) (strcase (getvar "CLAYER"))))
(progn (cx:lay-set name 62 (- (cdr (assoc 62 ed)))) (setq n (1+ n)))))
n)
(defun c:CXLAYOFF ( / *error* cx:sv ss)
(setq *error* cx:err)
(if (setq ss (cx:pick "\nSelect objects on the layers to switch off: " nil))
(progn
(cx:start '(("CMDECHO" . 0)))
(princ (strcat "\n" (itoa (cx:layoff-run (cx:layers-of (cx:ss->list ss)))) " layer(s) switched off."))
(cx:end)))
(princ))
;;; ---- Shared helpers (used by the command above; identical in every CADXChange tool) ----
;; Set the DXF group CODE of layer NAME to VAL; returns T, or nil when there is no such layer.
(defun cx:lay-set (name code val / en ed)
(if (setq en (tblobjname "LAYER" name))
(progn
(setq ed (entget en))
(entmod (if (assoc code ed)
(subst (cons code val) (assoc code ed) ed)
(append ed (list (cons code val)))))
T)))
;; Close the undo step and put the system variables back.
(defun cx:end ()
(foreach v cx:sv (setvar (car v) (cdr v)))
(command "_.UNDO" "_End")
(setq cx:sv nil)
(princ))
;; Error handler: restores everything, stays quiet on Esc.
(defun cx:err (msg)
(if (> (getvar "CMDACTIVE") 0) (command))
(cx:end)
(if (and msg (not (wcmatch (strcase msg) "*BREAK*,*CANCEL*,*EXIT*")))
(princ (strcat "\nError: " msg)))
(princ))
;; Use the objects already selected, or ask the user to select; FILTER is an ssget filter list or nil.
(defun cx:pick (msg filter / ss)
(setq ss (if filter (ssget "_I" filter) (ssget "_I")))
(if (null ss)
(progn
(princ msg)
(setq ss (if filter (ssget filter) (ssget)))))
ss)
;; Save the system variables in VARS ((name . value) ...), set them, and open one undo step.
;; The caller declares cx:sv as a local so the saved values live exactly as long as the command.
(defun cx:start (vars)
(setq cx:sv (mapcar (function (lambda (v) (cons (car v) (getvar (car v))))) vars))
(command "_.UNDO" "_Begin")
(foreach v vars (setvar (car v) (cdr v)))
(princ))
;; The distinct layer names used by the entities in NAMES, in order of first use.
(defun cx:layers-of (names / out l)
(foreach e names
(setq l (cdr (assoc 8 (entget e))))
(if (not (member l out)) (setq out (cons l out))))
(reverse out))
;; Selection set to a list of entity names.
(defun cx:ss->list (ss / i out)
(setq i 0)
(if ss
(repeat (sslength ss)
(setq out (cons (ssname ss i) out)
i (1+ i))))
(reverse out))
(princ "\nCXLAYOFF loaded. Type CXLAYOFF to start.")
(princ)
版本记录
版本 1.0.0 · 2026年10月27日
首个版本。