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我最近学AUTOCAD LISP 二次开发遇到了些问题
$ c1 ^& C4 `' Q1 h3 a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？; n9 `! w) U7 O$ k5 x( R
- (defun c:5js()' d9 [ F1 j) n3 e9 x
- (setq os(getvar"osmode")
6 i2 Q/ W" g- @1 ^( v8 R$ T6 r0 V/ S - cmdcho(getvar"cmdecho"))
$ W F5 }( e# D2 k - (setvar"osmode"O)+ p% Y* ^# G6 j0 r4 ]! v( X
- (setvar"cmdecho"O)4 Y- v. m0 }/ t) J$ C8 W
- (tsc)
$ ^0 k- d) I2 s6 ^+ X |# b - (setq pt1(getpoint"\n插入点")). y& O; t9 ?+ d' q
- (setq pt2(polar pt1(angtof"-108")(sc28.9086)))
. ~. _( h) |% F" n. g - (setq pt3(polar pt2 pi(sc28.9086)))
. O' D: O. M) N( E5 b" D - (setq pt4(polar pt3(angtof"-36.00")(sc28.9086)))
( g2 F) m6 _+ E, N' h* ~: l6 T - (setq pt5(polar pt4(angtof"-108")(sc28.9086)))
6 J9 N& I; k/ o$ h7 ? - (setq pt6(polar pt5(angtof"36")(sc28.9086)))% H6 Q2 _% G) o1 R4 R9 m: w
- (setq pt7(polar pt6(angtof"-36")(sc28.9086)))9 H# l3 k+ _: `* {
- (setq pt8(polar pt7(angtof"108")(sc28.9086)))- H5 J3 N( o2 g( K ~! e/ C& y# N% G
- (setq pt9(polar pt8(angtof"36")(sc28.9086)))
+ ^* p8 J/ q" X4 G# v, m - (setq pt10(polar pt9 pi(sc28.9086)))
. l( p! ~- v/ w0 r( @( u3 \/ j - (command"color" "r")
0 h* f% y3 i! \7 o& l, l$ Q) q - (command"pline"pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10"c")" a" A6 L+ S) N6 W8 d+ T
- (setq sl (entlast))
. m3 d4 U: f8 Q. U - (command"-bhatch" "p" "s" "s" "sl" " "), Z9 B( W+ ^4 D1 C
- (setvar"osmode"os)
# r6 t2 v* X' ~, x - (setvar"cmdecho"cmdecho)
) |/ t9 ]! F+ s# x, P - )4 Y, b! h: U* h% @; E7 Q6 Z b
- ;比例因子
+ l) }) V1 l K, R) q0 {' M- { - (defun tsc()
! T( D/ I. {% x, S# l8 g( m - (if(=js_scale nil)
) c+ }! |' d% E9 t$ t - (setqjs_scale 1)
& s6 U4 Q# @. J4 Z+ D! \* ` - )
: B4 w8 o. x5 X, X+ A - (setq inp(getreal(strcat"\n输入比例因子<"
. x1 w/ f! K& U0 W, j; e. B/ H - (rtos js_scale)
4 M# c* _) V1 }' l - ">")))
5 e0 t$ X2 T* u- Q" v - (if inp
; ~9 z( p7 r7 W$ D) G* |1 w - (setqjs_scale inp)+ V* S6 V$ `# ?3 O: ]
- )
/ l6 J2 n' C! n6 ~7 W% c( B - )% w3 h. P9 A" C. l, Q' h ^* g1 V x' M
- ;比例放大或缩小1 w! L" V' q! `$ r- B/ N& [0 A
- (defun sc(x)
2 H) I9 ?6 V7 a3 a - (X js_scale)+ F9 P) D5 \" d% \/ G2 v7 _
- )+ t( f+ S( v, C$ K! m( N
- (prompt"\n画五角星程序，键入:5js执行")
4 @& h( |4 b# ]$ P0 L/ K9 p - (princ)
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发表于 2008-10-27 14:03
楼主
