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发表于 2013-7-22 18:14:26
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本帖最后由 2010caozhiyong 于 2013-7-22 18:29 编辑
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非常感谢版主的回复0 ^1 U6 F9 U3 M: B3 e* W! b
对于我知道应该放弃5个命令的结果,该方案是行得通的,4 T4 A. g% e6 @" Q( d- X
但如果我是一个选集,且我也不知道要返回多少个命令的时候,就不适用该办法了。
/ q2 N! B, I2 {2 f有没有一个办法,可以把我的程序打一个包,就是一个整体,执行,放弃,都是一步. ?5 j) s5 _: Q, a4 d9 B I5 a
如下面程序# p, Q2 e l/ d. a m U
: h7 A& Q. H" \(defun c:yd (/ s b p0 n0 ss a0 a s0 p00)
/ y$ X R+ A5 K2 E* p1 a1 E% r/ l% _ (setvar "cmdecho" 0)(setq old_osm (getvar "osmode")) (setvar "osmode" 0)3 B4 `5 O0 R4 L2 D
(setq s (ssget) p1 (list 0 0))
; p. c* H& n1 E, `/ k) L/ I" Y (setq s (ssget "p" '((0 . "circle"))); D( E/ K4 X) }/ a( e: Y
);新建圆选集
5 ~7 z0 T% k6 H' {8 } (command "copybase" p1 s "") (command "pasteblock" p1), [/ a- x5 u1 A9 d: |& u
(setq n0 (-(sslength s) 1) a (ssadd)) {' h: w& Z/ d, Q7 _' u* _4 g
(if (= n0 -1) (exit))
, q" q" w5 P, i3 V' w3 h) v (repeat n0
- j6 v# O2 p6 p8 a8 g1 @# S+ d (setq ss (ssname s 0) p0 (czy_yxd ss) )
) p' _0 H t, ?6 i5 Z0 ]4 s (if (/= p0 p00)(progn
5 J' o5 Q$ N1 }/ i, ^& s% b) f (command "POINT" p0)
/ R6 ~8 l$ k c5 F9 m5 K (setq a0 (entlast) a (ssadd a0 a))$ ^% R& ~' ~! V* X2 x
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)
( o6 f: |/ K7 M2 L1 n: U (setq p00 p0)
, H) A" _# F6 A5 i) w- d7 j! F0 y (ssdel ss s)(command "erase" ss "")$ [0 X; o# G* t) j0 K) F" i
)
$ l6 [& D0 X/ |8 n$ n! B) U" Q (setq ss (ssname s 0) p0 (czy_yxd ss) )
% V) y' L% {8 v+ e (if (/= p0 p00) (progn
, s3 B$ m+ A; L% @" ~- x# a (command "POINT" p0)- J8 `; y' {& Z# k& U
(setq a0 (entlast) a (ssadd a0 a))
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1 g9 ]$ \4 N( p9 d/ g6 V7 i1 u9 n8 K G (command "erase" ss "")6 Q, X+ N: S2 V$ V, N4 G* y4 y# r
(command "copybase" p0 a "") (command "erase" a "")(command "pasteblock" p0)
* R1 z2 J. S, a' T+ H0 ` (setvar "osmode" old_osm)(setvar "cmdecho" 1). R" V8 M: S- Z, [+ X
(princ)
$ u& h4 j* S' G, |. f2 F$ H);框选圆,并删除圆,在圆心处添加点( q( V, k- ?6 [* n* }4 B/ J
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