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我最近学AUTOCAD LISP 二次开发遇到了些问题
+ z! n2 b: }( @ e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？
8 m; Z3 ^4 `1 k6 R" Q! A, d- (defun c:5js()$ _( r+ p! `; v5 K7 ^
- (setq os(getvar"osmode")
. z2 h+ E3 u9 j3 k& h! { Y- H - cmdcho(getvar"cmdecho"))( W/ F( m8 f4 l4 M9 ~* m8 W
- (setvar"osmode"O)
$ r K0 P0 ?# d - (setvar"cmdecho"O)
8 h Y: a* c- E - (tsc); a8 ]. W- c z9 e0 [: S
- (setq pt1(getpoint"\n插入点"))
# |' _) }( t7 N/ ?" ?1 v9 @ - (setq pt2(polar pt1(angtof"-108")(sc28.9086)))! z* P! l) L, k6 W3 V
- (setq pt3(polar pt2 pi(sc28.9086)))7 R ?) ?5 }0 s+ P: J
- (setq pt4(polar pt3(angtof"-36.00")(sc28.9086)))
6 w7 e4 h4 N! z9 K, o! | - (setq pt5(polar pt4(angtof"-108")(sc28.9086)))8 h7 Y4 Z- F K5 {1 }3 F1 L( v
- (setq pt6(polar pt5(angtof"36")(sc28.9086)))
6 G% o8 N8 W3 a$ U1 ~# W4 f - (setq pt7(polar pt6(angtof"-36")(sc28.9086)))$ o7 K* ^! Z. [, [: H7 y& ^
- (setq pt8(polar pt7(angtof"108")(sc28.9086)))4 D# }' U1 G/ S3 O2 G4 i1 G
- (setq pt9(polar pt8(angtof"36")(sc28.9086)))
4 A! h9 d; e; w% ~ - (setq pt10(polar pt9 pi(sc28.9086))), q8 v# D1 }' c+ y2 k" s
- (command"color" "r")) c+ J! n: j/ B6 u
- (command"pline"pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10"c")9 b5 l* v$ r) Q+ O
- (setq sl (entlast))3 x0 ?; _0 |6 D
- (command"-bhatch" "p" "s" "s" "sl" " ")
H5 L7 H4 `" g3 ~; B% O- G - (setvar"osmode"os)$ S l( ] O& |1 O
- (setvar"cmdecho"cmdecho)
) Q" {7 e1 A5 J - )' {7 C0 O3 c/ _
- ;比例因子% y _( Z' w' v: ~
- (defun tsc()
7 |! r- s) _% `$ n4 i& z. P& ^: X, m - (if(=js_scale nil)! K4 T$ h6 h/ f5 e( q- ~, G
- (setqjs_scale 1)
: l4 ]. q- U3 \* p% Q: m - )
6 v( r; M) ]3 j9 l) ]3 g* r - (setq inp(getreal(strcat"\n输入比例因子<"
9 u4 V2 \3 }" f - (rtos js_scale)
$ h6 d: _5 z" C9 o - ">")))
; E0 G! Z/ m, l$ n8 s3 | - (if inp
" Y: }+ c) x, r8 }8 s) Y - (setqjs_scale inp)# B x& c8 ]0 }% R
- )9 G7 w. c+ o' z0 e" v9 b- L
- )
! c, ?' k- E. l9 N" E9 a8 Y" ^ J- b - ;比例放大或缩小2 j# M1 n: P0 M9 j" |% F
- (defun sc(x)/ U# v" R# _2 b. T" a/ @. X' Q- s
- (X js_scale) ?2 }4 A3 n# L" U
- ), k0 H4 J* H& |1 f' c* a1 S
- (prompt"\n画五角星程序，键入:5js执行"), D8 v+ C% U5 ]- _+ n
- (princ)
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发表于 2008-10-27 14:03
楼主
