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我最近学AUTOCAD LISP 二次开发遇到了些问题" w1 B0 f! {8 ? X5 I
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?
( f" f' L4 U1 p7 ]4 x9 H- (defun c:5js()
7 g* M. r0 l) e5 B$ h3 Z( k - (setq os(getvar"osmode")
( k+ f0 q/ \- R+ | - cmdcho(getvar"cmdecho"))5 V' L5 O/ t5 d1 B* g3 u/ S$ s
- (setvar"osmode"O)4 w; \& D- L* f
- (setvar"cmdecho"O)
" D6 x; T3 z3 w8 L5 w - (tsc)
6 U* Y% r' P# a8 R; _/ t0 p - (setq pt1(getpoint"\n插入点"))% X# \7 }, y. j5 Q
- (setq pt2(polar pt1(angtof"-108")(sc28.9086)))8 j) l% c& D* c- A4 Q' d4 |& ^. s' Y
- (setq pt3(polar pt2 pi(sc28.9086)))
7 M& Y0 U" ]0 w8 u, ~ - (setq pt4(polar pt3(angtof"-36.00")(sc28.9086))) v% p4 v/ C4 B4 `5 n1 f6 \
- (setq pt5(polar pt4(angtof"-108")(sc28.9086)))
4 @" V! n8 Y9 } - (setq pt6(polar pt5(angtof"36")(sc28.9086)))7 j8 p. J' W$ e J* j7 }
- (setq pt7(polar pt6(angtof"-36")(sc28.9086)))
- v8 _! I' r2 @" D - (setq pt8(polar pt7(angtof"108")(sc28.9086)))
! H0 Q5 U3 l. {- }. o3 ~; r( I - (setq pt9(polar pt8(angtof"36")(sc28.9086)))
6 o2 d2 }" c$ g - (setq pt10(polar pt9 pi(sc28.9086)))
9 b" @& K2 j2 c/ y - (command"color" "r")9 M, H# o3 z* j# m
- (command"pline"pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10"c"). ^! z0 b3 k: c( X6 D. m. ^
- (setq sl (entlast))
2 U% Y4 z: R \5 h ?" s# {) w: O7 P( } - (command"-bhatch" "p" "s" "s" "sl" " ")" n. d+ J$ O6 [! M$ H
- (setvar"osmode"os)
8 S2 j' j7 ]9 F7 Y' C - (setvar"cmdecho"cmdecho). t: w- U$ k U+ o- q/ u
- )6 I' n7 q# Q S! m0 `
- ;比例因子4 N7 p) A8 `3 m4 K
- (defun tsc()! B& j/ E) l9 ~8 i) E& j+ s
- (if(=js_scale nil)) C, I9 L7 s5 j9 m r
- (setqjs_scale 1)% T6 e0 H' b9 T9 b8 } T
- ); ?4 C# [7 ?- H$ h0 L' }* D
- (setq inp(getreal(strcat"\n输入比例因子<"
: U0 X" b% ]% h! l+ Q( c - (rtos js_scale)1 F; D$ M: p1 Q) e0 x
- ">")))
$ R" P0 r x+ Z4 K - (if inp% Q3 {' @: O& w' e" {! `8 {) N
- (setqjs_scale inp) M% e3 r5 B7 ?8 c9 @2 q
- )
0 B. m k* E: \. E: J" U - )
* J P3 c! y! J; z - ;比例放大或缩小
8 u/ ?; G( D! h7 B: }7 N) b+ B2 g - (defun sc(x)# L) l# E% y, B) {% g; ^
- (X js_scale)
. h0 c$ y7 R8 X- o& L; v - )
- b" Y- y+ a8 r5 x; n& d - (prompt"\n画五角星程序,键入:5js执行")8 S# s: Z7 s+ o1 U7 c
- (princ)
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