先看下面这个，要看完了，，，http://bbs.mjtd.com/forum.php?mod=viewthread&tid=21383再看我给你改的程序。。。注意，你的程序，最后command部分是错误的，所以程序无法完成，这部分我未改，注意subtract命令的用法。。。 - (defun jiansuo (ct / f1 p)
- (setq f1 (open "e:\\abc.txt" "r"))
- (repeat ct
- (setq p (read (read-line f1)))
- )
- (close f1)
- p
- )
- (defun c:luos1 (/ lst item l d ct p p1 ent_p ent_c)
- (setq lst '((10 20 200) (12 25 260) (14 25 260) (16 30 300) (18 35 300)
- (20 35 300) (22 50 300) (24 55 300) (27 60 300) (30 60 300)
- (36 80 300) (42 80 300) (48 110 300) (56 160 380) (64 180 380)
- (72 180 380) (80 200 380)(90 220 500) (100 220 500)))
- (while (not (assoc (setq d (getreal "\n请输入螺栓的直径:")) lst)))
- (setq item (assoc d lst))
- (setq l (getreal (strcat "\n请输入螺栓的长度在" (rtos (cadr item)) "到" (rtos (last item)) "之间:")))
- (if (and (> l (- (cadr item) 0.01)) (< l (- (caddr item) 0.01)))
- (progn
- (setq ct (1+ (- (length lst) (length (member item lst)))))
- (setq lst (jiansuo ct))
- (cond ((< l 125.01) (setq l0 (+ (* d 2) 6)))
- ((or (> l 125) (< l 200.01)) (setq l0 (+ (* d 2) 12)))
- ((> l 200) (setq l0 (+ (* d 2) 25)))
- )
- (setq p (getpoint "\n请输入图形的插入点:"))
- (command "polygon" 5 p "c" (nth 0 lst))
- (setq ent_p (entlast))
- (command "subtract" ent_p "" (nth 1 lst) "")
- (setq p1 (list (car p) (cadr p) (nth 1 lst)))
- (command "ucs" "n" p1)
- (command "circle" p1 d)
- (setq ent_c (entlast))
- (command "subsrtact" ent_c "" l "")
- )
- )
- (princ)
- )
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发表于 2004-6-1 13:03:00
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