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我最近学AUTOCAD LISP 二次开发遇到了些问题
8 @+ P% Q, R+ G9 }: ^- Q下面是一个自动绘制五角星的代码，运行的时候出现错误： 错误: AutoCAD 变量设置被拒绝: "osmode" nil 请问各位高手 这是什么原因？# ]0 K0 p; z8 z* C* S9 [
- (defun c:5js()
2 V: R( p1 ?* a+ B" B - (setq os(getvar"osmode")
0 L2 z- Y) |! b9 c3 e3 b3 C - cmdcho(getvar"cmdecho"))
2 u4 g% R) U/ r( W0 Z- Q( Z5 N0 _ - (setvar"osmode"O)
; F# N. g, p- d - (setvar"cmdecho"O)9 |+ H6 [: M! R
- (tsc) |6 x8 r p) M s u* }4 Q
- (setq pt1(getpoint"\n插入点"))
4 w" K# ?6 Z6 N$ X+ |% P$ ~ }0 X - (setq pt2(polar pt1(angtof"-108")(sc28.9086)))
* e8 I; @, t7 p# s - (setq pt3(polar pt2 pi(sc28.9086))): U- f' c) A' N) }
- (setq pt4(polar pt3(angtof"-36.00")(sc28.9086)))
, y5 X- x& p g; T - (setq pt5(polar pt4(angtof"-108")(sc28.9086)))1 a$ ?2 z1 B. H7 ^
- (setq pt6(polar pt5(angtof"36")(sc28.9086)))
4 d7 t7 g$ i# ]1 G/ @1 l. B. ~4 _ - (setq pt7(polar pt6(angtof"-36")(sc28.9086)))$ g* J: R" j3 u5 Q7 k3 S
- (setq pt8(polar pt7(angtof"108")(sc28.9086)))
* @/ a: W! Q/ {+ y - (setq pt9(polar pt8(angtof"36")(sc28.9086)))
; C3 P% \2 }# p - (setq pt10(polar pt9 pi(sc28.9086)))
" ?% q$ l: e# j+ Z0 \) ?( C; q - (command"color" "r")/ s8 e8 N: t- u" {8 Y) g" m
- (command"pline"pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10"c"). `; y D, }0 L. m$ d/ Z7 w
- (setq sl (entlast))' e1 F) y0 B7 i5 i
- (command"-bhatch" "p" "s" "s" "sl" " ")! a3 M b3 V6 Z/ ^. U0 f
- (setvar"osmode"os)
! R6 l; n- r" M* f, }3 |) | - (setvar"cmdecho"cmdecho)
5 s; F' E5 M5 H4 e - )
# t$ x' C) q+ o$ x. r% L' M% B# ? - ;比例因子# ]8 T1 X7 k3 x: R( O5 x: a
- (defun tsc()
: }$ D+ H" }, K7 m4 i' c - (if(=js_scale nil)6 {6 {3 B8 R8 m( z$ P% r
- (setqjs_scale 1)
" F5 C. N9 w9 p6 O8 l: } - )9 l9 v3 O1 x, `: W( }4 s
- (setq inp(getreal(strcat"\n输入比例因子<"# C$ p8 q; p: G! l
- (rtos js_scale)
u) j+ f$ e$ }: c. K - ">")))
# e7 v% x+ [5 i4 B! n - (if inp7 M. I* U0 ]& @
- (setqjs_scale inp)8 @ D- `7 b. P3 Q, m, [
- )& j3 e7 h! J2 ]* d6 w( ~7 h
- )4 e( P" I S1 j" L
- ;比例放大或缩小( }7 M5 }% ~" X7 Y+ W9 C
- (defun sc(x)
/ i) K. i4 v& n - (X js_scale)
0 n# ~3 s6 L X. @( q7 I - )/ \7 P' ]( V6 F8 ]3 e
- (prompt"\n画五角星程序，键入:5js执行"); ]( x0 ?+ \0 }( B) e+ v
- (princ)
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发表于 2008-10-27 14:03
楼主
