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我最近学AUTOCAD LISP 二次开发遇到了些问题
2 `# |2 T5 J9 W4 r r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?" s: Z2 c! l9 x4 Y" U: ]
- (defun c:5js()
7 f* ^, @/ g$ j) _4 ? - (setq os(getvar"osmode")' X1 ], n) _- I" r% I
- cmdcho(getvar"cmdecho"))
6 B$ H/ c( S, K# f% m - (setvar"osmode"O)
; t- {* F. [# `7 d - (setvar"cmdecho"O)
7 @+ z7 }2 H3 [$ E6 {0 q$ o2 s- m1 S - (tsc)
& Q' X* s4 [! K7 M. P - (setq pt1(getpoint"\n插入点"))- s S8 f) \) x5 ~5 p0 @" p
- (setq pt2(polar pt1(angtof"-108")(sc28.9086)))
3 s+ E# ?6 E& p0 X4 U+ R; w8 k - (setq pt3(polar pt2 pi(sc28.9086)))5 M% ^+ S9 G( M; x
- (setq pt4(polar pt3(angtof"-36.00")(sc28.9086)))
/ z8 x/ {( t' D# R - (setq pt5(polar pt4(angtof"-108")(sc28.9086)))8 I/ _* @* Y9 G R0 A& U& n
- (setq pt6(polar pt5(angtof"36")(sc28.9086)))
( @5 a0 @" W7 h( ? - (setq pt7(polar pt6(angtof"-36")(sc28.9086)))
. x0 F6 Z1 q5 d; l* r7 V- a - (setq pt8(polar pt7(angtof"108")(sc28.9086))). E x7 R8 f' `# d" e7 q0 g0 {
- (setq pt9(polar pt8(angtof"36")(sc28.9086)))
7 }. J: E! ]" e - (setq pt10(polar pt9 pi(sc28.9086)))8 @- G9 @# N6 Z8 o
- (command"color" "r")) H+ b% [5 B- _
- (command"pline"pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10"c")
# S1 I; {* S+ P8 @7 l9 m - (setq sl (entlast))0 z1 t' _; P( ?2 Q9 Z: X0 o
- (command"-bhatch" "p" "s" "s" "sl" " ")
( g) [& N8 |3 g - (setvar"osmode"os)7 y2 ^5 F4 ^; ~8 d; g
- (setvar"cmdecho"cmdecho)
5 N% U9 } @7 X( b! k& W - )
0 n6 T# ~3 f5 s5 { - ;比例因子+ D. V7 K; W6 S( _+ [
- (defun tsc()4 \1 ]8 ~8 p% u. a3 `
- (if(=js_scale nil)/ h3 p+ q. [7 z9 k+ ^& r
- (setqjs_scale 1)
9 K' m' Q- h8 s, D4 T& U - )
+ N, w9 O4 a$ {5 R# s4 Y2 @8 A3 l - (setq inp(getreal(strcat"\n输入比例因子<"
9 I6 M$ b- {7 Z - (rtos js_scale): |: d3 K5 H+ M- `' M
- ">")))
; X' |4 e' `3 }5 M% n$ J( _7 o - (if inp
" b/ l6 x) T; a8 n- n - (setqjs_scale inp)
9 F; ~ o* [1 m7 a) J - )
' k& D. z0 h: N$ \5 R - )& J* U0 Q2 q5 W/ Q/ }
- ;比例放大或缩小1 g. F* S4 }% O/ i% i
- (defun sc(x)
$ Y- X [4 _6 s& i' ]3 ^ X) R - (X js_scale)5 Y. d( I' p) F6 t7 N0 o
- )
" j1 w" V2 G9 |2 L5 ^9 L3 j - (prompt"\n画五角星程序,键入:5js执行")
. |( K0 w4 p$ z5 ^6 s: V2 y% { - (princ)
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