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;寻找字符串,并将字符串颜色改为绿色
) s. u0 }- s1 a- };这个程序还不完善,字符串不能是随层(ByLayer),使用时最好把全部字符串框选变成(ByBlock)!5 W1 M2 s( {+ A5 A2 r/ f" u* x C1 P$ I
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(defun chgterr (s)8 s }7 P7 L, s( r
(if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs. { ~3 ?5 ~0 D* U; ~
(princ (strcat "\nError: " s)) ; while this command is active...
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(setq p nil) ; Free selection set
0 w4 Z3 y" a* v" s* ] (setq *error* olderr) ; Restore old *error* handler1 p$ a0 [5 C& }) ^. `/ P" f9 L- ]. a
(princ)2 I' a/ A" {& g, f3 O7 b. o" ?
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(defun C:chg_color (/ p l n e os as ns st s nsl osl sl si chf chm olderr as62)1 M* B |& D% H5 n4 L) l
(setq olderr *error* ; 初始化变量
* A& T+ q: G- u9 {& z: V *error* chgterr
: W+ m0 [) ~7 @) U- d, q0 v- M chm 0)6 O/ c, S4 B' v4 q1 Y
(setq p (ssget)) ; 选择集
0 ~& X( |( C7 E. ]9 c (if p (progn ; 如果选择集被建立: r: [1 ]" T' j' z0 m `
(while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))7 q' h9 O! J8 I; a! z, u
(princ "Null input invalid")0 r+ J4 h& i8 i+ N4 W. f
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(setq nsl osl ns os) ;zl9 t- ]4 \3 H8 o/ N2 t5 A, g) W
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(setq l 0 n (sslength p))
! v8 {* Q2 T) }7 A7 k& m (while (< l n) ; 循环判断选择集中每个元素
8 Y- c) N, p/ x1 X- V; J (if (= "TEXT" ; 判断是否文本类型 type (group 0)# M: x7 F0 |- x# U+ o; l
(cdr (assoc 0 (setq e (entget (ssname p l))))))
2 I2 d/ }, H7 @- |& A (progn# p5 v- Y0 }2 a0 O* j) Q% t
(setq chf nil si 1)1 ]# l* X; @2 G7 \9 K! \* }. N0 |5 n
(setq s (cdr (setq as (assoc 1 e))))5 @* x$ N" [4 F/ I
' T$ m+ T! B- p) e1 @1 C: U2 l (setq as62 (assoc 62 e))( X/ G' e9 }, Z7 e
2 K3 \4 r3 }" U5 I) ]. k ; O% j6 Q% m T$ v4 ?/ c1 X
(while (= osl (setq sl (strlen
- d; z. ^7 F' }$ S (setq st (substr s si osl)))))% A( H* S/ g# n! N+ f0 @. z, I/ ~
(if (= st os); M7 r8 O. \4 R# `
(progn4 S# k# G t" L3 B! I0 P
(setq s (strcat (substr s 1 (1- si)) ns
: ~2 p: h& U) Q; K (substr s (+ si osl))))( }& U. i J* h, ]2 ]
(setq chf t) ; 寻找老字符串
2 v) f/ o5 S' x: j, l (setq si (+ si nsl))3 X! z- Q1 f( Q% p0 N: ]
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(setq si (1+ si)), r( z" c0 ?2 |/ ~+ H! t7 p
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)
% N4 t0 J7 h9 |( ?, B* N- R( W8 F (if chf (progn ; Substitute new string for old
1 B7 S$ H# D' S (setq e (subst (cons 1 s) as e)): C) o+ G3 \2 U0 K# L7 T
(setq e (subst (cons 62 3) as62 e)) ;zl
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(entmod e) ; 修改图形数据库 Y# a( M6 J% k% U
(setq chm (1+ chm))
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(setq l (1+ l))
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))
1 o3 e9 F6 L; h* \/ T; S) g5 o7 F (princ "Changed ") ; 统计修改字符串的个数
5 o. L& S; }2 @ (princ chm)
2 o9 \7 q5 v" U; x! c7 ? (princ " text lines.")
) I' G( `. o& \ (terpri); I0 S2 x+ X3 B! K8 L5 Q
(setq *error* olderr) ; Restore old *error* handler+ V7 K3 z# j0 W
(princ)
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