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我最近学AUTOCAD LISP 二次开发遇到了些问题* i% T! ]5 X, i0 f" f
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？- }9 @( m" F8 f
- (defun c:5js()) Y) L! i# Q2 Z5 H
- (setq os(getvar"osmode")
& s8 T: i' w' | - cmdcho(getvar"cmdecho"))
, T& c$ W9 }; q6 b: M" ]7 M5 ]/ |( o - (setvar"osmode"O)' X/ `3 Z6 ?( L5 y
- (setvar"cmdecho"O)
6 ], e% o0 e6 v8 ~1 h% D - (tsc) L( i0 K0 j7 V0 H
- (setq pt1(getpoint"\n插入点"))0 d& `/ }! W% ]
- (setq pt2(polar pt1(angtof"-108")(sc28.9086)))
$ d6 p& g( C0 I1 d7 P t - (setq pt3(polar pt2 pi(sc28.9086)))
" c a$ F& U9 C - (setq pt4(polar pt3(angtof"-36.00")(sc28.9086))). c2 |9 K, |% W9 d4 F
- (setq pt5(polar pt4(angtof"-108")(sc28.9086)))
3 A, A, |) C( d/ |8 B1 F - (setq pt6(polar pt5(angtof"36")(sc28.9086)))5 q% x6 O% U; ?& ]" ]5 W
- (setq pt7(polar pt6(angtof"-36")(sc28.9086)))& E6 ? V# L0 G7 L8 d& G
- (setq pt8(polar pt7(angtof"108")(sc28.9086)))6 G$ W2 d" f. ^4 T9 O5 E
- (setq pt9(polar pt8(angtof"36")(sc28.9086)))+ W8 y( d7 Z, Q( [0 f2 b6 S
- (setq pt10(polar pt9 pi(sc28.9086)))& Y: G! x7 w- t- ]1 C. y6 H
- (command"color" "r")3 [* t! @2 e: l
- (command"pline"pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10"c")
% X7 r4 B2 G7 y) E. u! P; a) ^9 y - (setq sl (entlast))
. x6 m4 U# H6 s7 G9 `9 K+ b& Z" O - (command"-bhatch" "p" "s" "s" "sl" " ")5 g' w8 p6 E, a+ I& F! m
- (setvar"osmode"os)
1 H. v, D- y5 q) K0 z1 b - (setvar"cmdecho"cmdecho)/ X1 X. `" H/ V; S' d
- )0 s9 L4 Y! r# u. C K" p
- ;比例因子; Q G4 [ m: g& j
- (defun tsc()
& I8 r" x5 J+ D" G% X$ Q - (if(=js_scale nil)
# }5 H2 M% s4 r - (setqjs_scale 1)! q, d8 h) W; z o# b* S
- )
7 ]: V( j$ E4 E# h8 u1 ^# V$ [ - (setq inp(getreal(strcat"\n输入比例因子<"
/ s- m4 V7 A" o5 g - (rtos js_scale)
4 Q* C( ?1 \1 m* e) P - ">")))0 a( F7 `$ n8 g6 W% Q1 t. O* K* @5 L
- (if inp
. F2 y, M3 l/ S6 W7 Z - (setqjs_scale inp)
% Q) }% {* e, j# w, e - )
$ q) J2 b, r: c d9 i: S1 q! P& j - )
9 q: O. L9 n8 N$ f - ;比例放大或缩小$ i$ s8 U9 }2 m% j6 o3 X! N5 ~
- (defun sc(x)6 b2 V# y6 s: I
- (X js_scale)
& c( |6 }4 N) G - )
8 y! U+ W/ q; Y9 c - (prompt"\n画五角星程序，键入:5js执行")
$ d7 s1 `- A$ C1 O% k# O6 \) B - (princ)
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发表于 2008-10-27 14:03
楼主
