CXLAYRES图层版本 1.0.0已在 AutoCAD 中测试
恢复 CXLAYISO 关掉的图层
只把 CXLAYISO 隐藏的图层重新打开。如果没有隔离过，会问你是否打开所有关闭的图层。
怎么用
- 输入 CXLAYRES。
- 被 CXLAYISO 隐藏的图层恢复显示。
- 没有隔离记录时，回答 Yes 即可打开所有关闭的图层。
需要知道
- 同一个会话里多次使用 CXLAYISO 也能正确恢复。
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：CXLAYRES。
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 cxlayres.lsp 的文件，或直接下载。
;;; ============================================================================
;;; CXLAYRES - Bring back the layers CXLAYISO switched off
;;; Version 1.0.0
;;; CADXChange LISP tools - https://cadxchange.net/resources/lisp/cxlayres
;;; 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 on the layers CXLAYISO switched off. With ALL true, every layer that is off comes back instead.
;; Returns how many layers were switched on.
(defun cx:layres-run (all / n ed names)
(setq n 0 names (if all (cx:layers) *cx-layiso*))
(foreach name names
(if (and (setq ed (tblsearch "LAYER" name)) (< (cdr (assoc 62 ed)) 0))
(progn
(cx:lay-set name 62 (- (cdr (assoc 62 ed))))
(setq n (1+ n)))))
(setq *cx-layiso* nil)
n)
(defun c:CXLAYRES ( / *error* cx:sv all)
(setq *error* cx:err)
(setq all (if *cx-layiso* nil (= (cx:ask-kw "Nothing was isolated. Switch on every layer that is off" "Yes No" "Yes") "Yes")))
(if (or *cx-layiso* all)
(progn
(cx:start '(("CMDECHO" . 0)))
(princ (strcat "\n" (itoa (cx:layres-run all)) " layer(s) switched on."))
(cx:end)))
(princ))
;;; ---- Shared helpers (used by the command above; identical in every CADXChange tool) ----
(defun cx:dxf (code ed)
(cdr (assoc code ed)))
;; Names of all layers.
(defun cx:layers (/ r out)
(setq r (tblnext "LAYER" T))
(while r
(setq out (cons (cx:dxf 2 r) out) r (tblnext "LAYER")))
(reverse out))
;; 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))
;; Replace every OLD in STR by NEW (case sensitive).
(defun cx:replace (str old new / n out pos)
(setq n (strlen old) out "" pos 1)
(if (= n 0)
str
(progn
(while (<= pos (1+ (- (strlen str) n)))
(if (= (substr str pos n) old)
(setq out (strcat out new) pos (+ pos n))
(setq out (strcat out (substr str pos 1)) pos (1+ pos))))
(strcat out (substr str pos)))))
;; Ask for one of the keywords in BITS ("Yes No"), default DEF; returns the keyword.
(defun cx:ask-kw (msg bits def / v)
(initget 0 bits)
(setq v (getkword (strcat "\n" msg " [" (cx:replace bits " " "/") "] <" def ">: ")))
(if v v def))
;; 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))
(princ "\nCXLAYRES loaded. Type CXLAYRES to start.")
(princ)
版本记录
版本 1.0.0 · 2026年10月27日
首个版本。
要对很多张图一起做？
LayerSync 可以对整个文件夹的图纸一次完成这类工作。
LayerSync