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我最近学AUTOCAD LISP 二次开发遇到了些问题
6 {+ T" z5 |6 q+ } h8 O" 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？ F5 F, |* N. n% G
- (defun c:5js()& d1 H+ ^3 r' b" h+ u! J
- (setq os(getvar"osmode")
9 M* l2 P' ?) @5 Z. A0 T - cmdcho(getvar"cmdecho"))
) J3 X1 ]+ \5 M+ b5 u - (setvar"osmode"O)
- I7 t, b# f5 l: v4 A - (setvar"cmdecho"O)
* g+ ^! Y# i5 M- O/ f3 s4 w# Q( ~ - (tsc)7 G% Z8 A2 i4 c6 T
- (setq pt1(getpoint"\n插入点"))% S# X5 y; h5 @' U; ?6 g. @5 |! K9 L
- (setq pt2(polar pt1(angtof"-108")(sc28.9086)))
' y, l2 W s9 B. P8 D5 a - (setq pt3(polar pt2 pi(sc28.9086)))
" _7 W' y; L$ A3 f# P/ i: n - (setq pt4(polar pt3(angtof"-36.00")(sc28.9086)))
7 B, ^: W! {$ ~" v! i - (setq pt5(polar pt4(angtof"-108")(sc28.9086)))( a7 Q" ~. l2 w! d
- (setq pt6(polar pt5(angtof"36")(sc28.9086)))9 {" B' _2 L5 H5 e' c
- (setq pt7(polar pt6(angtof"-36")(sc28.9086)))
+ p8 f( v( Z2 A9 T/ M# y0 r - (setq pt8(polar pt7(angtof"108")(sc28.9086)))' ^8 ~, s( M! F: F/ p( F# w
- (setq pt9(polar pt8(angtof"36")(sc28.9086)))
9 `9 n( p2 Q0 v' O' ? - (setq pt10(polar pt9 pi(sc28.9086))), J" g7 K+ ?' h; F
- (command"color" "r")8 f7 b$ j: w5 } s; \/ O
- (command"pline"pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10"c")
# A" U+ X& W6 w/ G- m7 X$ y - (setq sl (entlast))
% \5 c( n# K6 j; L - (command"-bhatch" "p" "s" "s" "sl" " ")
( g( h: l% _" y6 ^" v - (setvar"osmode"os)3 m3 M" }6 Z) G# ^+ M2 q5 {
- (setvar"cmdecho"cmdecho)
& p- O+ {1 W a6 X$ Y, t, i - ). U& [- m$ M, ^; j$ h. x2 i
- ;比例因子
B. K2 L# ~$ o& e% \9 f - (defun tsc()
2 [) A$ B% L$ s- a - (if(=js_scale nil)& i% g9 G' d! i0 o0 R0 U( a9 d* Z
- (setqjs_scale 1)
% W* |$ n" y0 B- ?% M1 { - )0 B! U# I) ]* R1 @, ?
- (setq inp(getreal(strcat"\n输入比例因子<"
9 Z3 Y' D# R, L. w6 v1 n6 F/ A - (rtos js_scale)2 ?- y4 j& Q5 l1 J+ m
- ">")))$ D$ ^9 |% C4 a' e% B
- (if inp
! [: {; _+ c# u- g3 d - (setqjs_scale inp). ?' o3 ]0 s9 b- [) u+ v( @% O: X$ s
- )
9 X2 w1 p; @1 C* E3 H1 } - )4 X6 p/ u7 l0 p, |# F, L7 ?; G
- ;比例放大或缩小9 R5 r) \6 | \7 V8 F1 k
- (defun sc(x)
! ?6 D, a" s8 C) ?2 e" G ~ - (X js_scale)
" a$ a, t) H' L7 I5 P4 N7 e& g6 o - )+ }1 x+ k) t, u
- (prompt"\n画五角星程序，键入:5js执行")% D5 V9 }* B: i
- (princ)
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发表于 2008-10-27 14:03
楼主
