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我最近学AUTOCAD LISP 二次开发遇到了些问题* k6 U& ~( m, z1 R' U8 y8 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？
, K+ k. x2 M% ?3 M8 G) E Q7 g- (defun c:5js()8 }1 y5 H1 D( A+ X* |
- (setq os(getvar"osmode")
- P2 c* _& d! r - cmdcho(getvar"cmdecho"))( G! N# k9 U7 ^3 Y7 j4 z0 l, D6 y
- (setvar"osmode"O)
3 P3 H- a0 ]% \4 a' x - (setvar"cmdecho"O)
1 L4 ^* a# k h! |" ?) w7 s - (tsc)2 k; `4 [( B6 m$ V9 a- [' [7 m# \
- (setq pt1(getpoint"\n插入点"))6 `0 Z# F/ W# N" v4 K# H
- (setq pt2(polar pt1(angtof"-108")(sc28.9086))). K/ m5 d8 k* D$ G o
- (setq pt3(polar pt2 pi(sc28.9086))), d) C! V' p& C+ m3 W/ B" f9 }3 z
- (setq pt4(polar pt3(angtof"-36.00")(sc28.9086)))
6 u. R& V5 z6 Y; i - (setq pt5(polar pt4(angtof"-108")(sc28.9086)))
( C- w k5 S: W5 q+ E6 i) J' v; p - (setq pt6(polar pt5(angtof"36")(sc28.9086)))! Y. Y% L4 e9 ~# e2 q
- (setq pt7(polar pt6(angtof"-36")(sc28.9086)))7 @" i D- h: @6 y ~2 D) n' i
- (setq pt8(polar pt7(angtof"108")(sc28.9086)))# H* J- R7 Y' ~, V: T
- (setq pt9(polar pt8(angtof"36")(sc28.9086)))
7 |* P1 @9 D3 w8 J4 n1 b+ W - (setq pt10(polar pt9 pi(sc28.9086)))! v- C% g% z' q1 V
- (command"color" "r")
5 f3 v4 I% v* a4 S# k' W; j5 N - (command"pline"pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10"c")
: {/ |+ x* C# U* S1 i U( [( J( T - (setq sl (entlast))$ P0 `0 K' r6 {8 Q
- (command"-bhatch" "p" "s" "s" "sl" " ")
* m, h6 J1 q9 d# A - (setvar"osmode"os)
$ p* `8 s, s5 W- e1 T" n/ }9 s3 g - (setvar"cmdecho"cmdecho)/ \7 F* Y3 w8 G" M& L
- )5 G& U3 t9 u/ o8 r& E
- ;比例因子, e- v- O2 y) K* e
- (defun tsc()
0 C) j8 e: K/ u6 k - (if(=js_scale nil)
) { Q; a" ^0 L1 _ - (setqjs_scale 1)
w5 @2 P: o# P% U0 I - )7 B2 H* n$ e; ~
- (setq inp(getreal(strcat"\n输入比例因子<"
* {. s4 J% P+ p1 o - (rtos js_scale)
1 j0 t7 C) }4 X( \; q, Y - ">")))" B! ~- g5 {% u
- (if inp- I: F# f9 H$ B9 t' e; ?
- (setqjs_scale inp)
6 f8 r- s3 [ M2 ^* P - )5 p3 d; P# m) {
- )
) E4 y* H1 w: w3 R - ;比例放大或缩小
3 v- i9 n, M) f7 D5 F+ J - (defun sc(x)" A2 m8 j% y4 ^' w1 a9 F
- (X js_scale)" [8 x, w8 i* O- I, o& Q9 b1 u- I
- )
) A! k, e) I$ q% [# G - (prompt"\n画五角星程序，键入:5js执行")
& n9 |$ ]* t, `) H, v. _0 P - (princ)
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发表于 2008-10-27 14:03
楼主
