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我最近学AUTOCAD LISP 二次开发遇到了些问题2 @ P0 k7 J! O
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？7 O0 v) e) m0 E. h2 W4 h3 |
- (defun c:5js()
$ K, X2 f2 r6 H/ H; c- B - (setq os(getvar"osmode")& ~1 _$ e* i0 {* G3 i: V
- cmdcho(getvar"cmdecho"))' o* N, F' X: x0 n
- (setvar"osmode"O)
/ x# @$ p$ U/ S. [ - (setvar"cmdecho"O)
3 [3 A! R! I5 U2 U - (tsc)
; i- p( b1 I' R, N- H - (setq pt1(getpoint"\n插入点"))/ |# p9 V: Y& @7 ?2 M
- (setq pt2(polar pt1(angtof"-108")(sc28.9086)))4 q9 p7 y; F6 M! H9 S. R! |- d
- (setq pt3(polar pt2 pi(sc28.9086)))5 w! h- B5 H8 E2 V- o
- (setq pt4(polar pt3(angtof"-36.00")(sc28.9086)))2 z, q+ }, |5 ^, W& r
- (setq pt5(polar pt4(angtof"-108")(sc28.9086)))7 x! V0 o3 A2 L' z; V
- (setq pt6(polar pt5(angtof"36")(sc28.9086)))
9 n+ T5 x' }& ]5 F0 P/ k - (setq pt7(polar pt6(angtof"-36")(sc28.9086)))
5 w8 `& Q, M% [ - (setq pt8(polar pt7(angtof"108")(sc28.9086)))2 A( ^: ^8 I) p; N
- (setq pt9(polar pt8(angtof"36")(sc28.9086)))
0 q* u- ]- f$ f% T& ~ - (setq pt10(polar pt9 pi(sc28.9086)))
6 V1 n$ I- x8 k# Z( ~' q: b8 ? - (command"color" "r")0 u" ~ J" u+ C! `! y
- (command"pline"pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10"c")2 B2 n8 Q: ?9 k
- (setq sl (entlast))
2 W3 v; D9 l2 f& ]% m - (command"-bhatch" "p" "s" "s" "sl" " ")# ]/ A* f, d, c0 d$ K
- (setvar"osmode"os)
3 @# l4 x- @0 @# i' q& z( u# q# `( g! W - (setvar"cmdecho"cmdecho)
$ i8 Z" i5 Z& g - )
; T0 \2 v, p6 J6 Z& ?! z% o4 j W - ;比例因子' k6 a$ B. k8 M
- (defun tsc()
0 u- s0 F) C& U- ] - (if(=js_scale nil)* p# S1 Z$ v: k+ @7 B6 c
- (setqjs_scale 1)
1 F9 _8 g" S1 V ?. b* e. m/ T; _" J# m: h - ). p1 q5 n- u1 | c0 \0 V/ m
- (setq inp(getreal(strcat"\n输入比例因子<"3 l4 D- r+ n" `
- (rtos js_scale)2 B, q: B9 [, [" H( Y F
- ">")))5 {7 k/ T: v' s8 A* u
- (if inp
6 u8 s: N* H$ P% B$ t1 a - (setqjs_scale inp)8 F) d2 X1 G* k y
- )! ~- [" }0 V& h8 X
- )) C; P8 Q$ C% u( L/ }& Z1 a
- ;比例放大或缩小
5 @# } m( P4 j% I# ] - (defun sc(x)$ y5 |/ }# |8 O# m9 f) M+ b/ m6 f3 B
- (X js_scale)
" z- }, |: Z7 E& n; x' B' Z% F, [ - )- I( L6 D' p h
- (prompt"\n画五角星程序，键入:5js执行")
' g1 c# f5 o% d6 a& _ - (princ)
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发表于 2008-10-27 14:03
楼主
