求大神帮忙写一个CAD里面LSP命令，要求如下 求编写个CAD用的LSP文件
\u6c42\u5927\u795e\u5e2e\u5fd9\u7f16\u4e00\u4e2aLSP\u6587\u4ef6\uff0c\u7528\u4e8eCAD\u3002\u6211\u53ef\u4ee5\u7ed9\u4f60\u7f16\u5199CAD\u7684LSP\u7a0b\u5e8f
(defun C:test nil
(setqpt (getpoint "\n\u6307\u5b9a\u77e9\u5f62\u4e2d\u5fc3\u70b9:")
L (getreal "\n\u8f93\u5165\u77e9\u5f62\u7684\u957f\u5ea6:")
W (getreal "\n\u8f93\u5165\u77e9\u5f62\u7684\u5bbd\u5ea6:")
)
(setq pt1 (list (- (car pt) (* 0.5 L)) (- (cadr pt) (* 0.5 W))))
(setq pt2 (list (+ (car pt) (* 0.5 L)) (+ (cadr pt) (* 0.5 W))))
(command ".RECTANG" "non" pt1 "non" pt2)
(setq str (strcat (rtos l 2 2) "*" (rtos W 2 2)))
(entmake
(list '(0 . "TEXT")
(cons 1 str)
(cons 10 pt)
(cons 11 pt)
(cons 40 5) ;\u5b57\u9ad8
(cons 72 1)
(cons 73 2)
)
)
(princ)
)
;;;\u4f7f\u7528\u547d\u4ee4"test"
;去掉多段线节点
(defun c:tes ( / &kw1 ent n obj p1 ss1 ss5 x)
(vl-load-com)
(if (and (setq ent (entsel "
请选择多段线对象"))
(setq ent (car ent))
(= (cdr (assoc 0 (entget ent))) "LWPOLYLINE")
)
(progn;;1
(sssetfirst nil (ssadd ent))
(setq obj (vlax-ename->vla-object ent))
(setq ss5 (apply 'append (mapcar 'cdr (vl-remove-if '(lambda (X) (/= 10 (car x))) (entget ent)))))
(setq n (- (length ss5) 1) ss5 (vlax-safearray-fill (vlax-make-safearray vlax-vbDouble (cons 0 n)) ss5));双精度表
(setq ss5 (list ss5))
(while (setq p1 (x1808262))
(if (= (type p1) 'STR)
(progn;;2-1
(if (> (length ss5) 1) (setq ss5 (cdr ss5)) )
(setq ss1 (car ss5))
(vla-put-Coordinates obj ss1)
);progn;2-1
(if (setq ss1 (x1808261 ent obj p1)) (setq ss5 (cons ss1 ss5)) )
);if;2
);while
(sssetfirst nil)
);progn;1
);if
(princ)
);复制到记事本，以【.lsp】后缀命名，CAD命令【appload】加载
;修改多段线节点
(defun x1808261 (ent obj p1 / ent n obj p1 ss1 x y)
(setq ss1 (mapcar 'cdr (vl-remove-if '(lambda (X) (/= 10 (car x))) (entget ent))) n 0)
(setq ss1 (mapcar '(lambda (x) (list (setq n (1+ n)) (distance p1 x) x)) ss1))
(setq ss1 (apply 'append (mapcar 'caddr (vl-sort (cdr (vl-sort ss1 '(lambda (x y) (< (cadr x) (cadr y))))) '(lambda (x y) (< (car x) (car y)))))))
(setq n (- (length ss1) 1) ss1 (vlax-safearray-fill (vlax-make-safearray vlax-vbDouble (cons 0 n)) ss1));双精度表
(vla-put-Coordinates obj ss1)
(if (>= n 1) ss1 nil)
)
(defun x1808262 ()
(initget "U")
(getpoint "
请选择要删除的点[返回上一步(U)]")
)
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