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;寻找字符串,并将字符串颜色改为绿色' Q5 ]" @) A B( i; c
;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)!
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(defun chgterr (s)
& k* u- U' @* u O. Z. \! I3 U: t (if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs) a( O3 S o- `+ B9 B& I" J
(princ (strcat "\nError: " s)) ; while this command is active.../ P$ F5 O, w; |# O M9 Q3 [. ?. S' U' X
)
" N; a0 z9 K E1 @ (setq p nil) ; Free selection set
" ?. H/ I" b2 { (setq *error* olderr) ; Restore old *error* handler0 Q; ~: G; r- v0 _0 I1 b& y( a# O
(princ)
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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)
' u2 Z( \8 k* q0 |5 Q; v4 O) e (setq olderr *error* ; 初始化变量6 S4 h( X4 p7 h! V/ h7 C
*error* chgterr2 o* q$ l& o. h3 o3 `
chm 0). y% k) h) O/ E9 E) M
(setq p (ssget)) ; 选择集1 Z5 K) U; j4 E: w- A. u
(if p (progn ; 如果选择集被建立
4 [( e6 T5 K6 G0 ~" A (while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))9 g4 V: ?0 _/ k4 q
(princ "Null input invalid"); a( `8 X0 p- B- V8 Z- b" b
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(setq nsl osl ns os) ;zl
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(setq l 0 n (sslength p))4 _6 m. H2 z9 z# Y. X! p# B& x
(while (< l n) ; 循环判断选择集中每个元素
3 l+ M: ~+ B4 o+ c2 a (if (= "TEXT" ; 判断是否文本类型 type (group 0)1 u8 Q- ]6 P1 m7 C( \" {
(cdr (assoc 0 (setq e (entget (ssname p l)))))). K! P& d9 V6 o$ P* b; m
(progn$ }4 B9 ~. @0 A# L: }
(setq chf nil si 1)
' A! `$ j# S9 ^4 `/ F+ [$ d (setq s (cdr (setq as (assoc 1 e))))1 S8 ^8 ?% b" V" g- q% k' Z: {
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(setq as62 (assoc 62 e))
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8 M- q6 J7 l* } m- | (while (= osl (setq sl (strlen
/ ?( `' z6 E* p& W$ b5 a1 } (setq st (substr s si osl)))))
0 g' ~: f; ~+ `$ |; ?& ~ (if (= st os)
9 I; a( u" j6 B( Z2 R. e; Y (progn
; d& u7 Q1 N# Q (setq s (strcat (substr s 1 (1- si)) ns
! G/ F& O/ c! F" E) [6 P. X1 Y U( L; @ (substr s (+ si osl))))
4 n+ K' a' _& r- l% [. r7 z& |: I (setq chf t) ; 寻找老字符串
. w! v0 A8 y" j4 V/ w- x (setq si (+ si nsl)), m" J0 d4 N( C# s! o, s3 P
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(setq si (1+ si))$ i$ B3 Q$ r. }/ W" c
)
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3 e8 S. \4 A9 e7 v; N. l (if chf (progn ; Substitute new string for old
: U# q& _8 f ?( O5 O (setq e (subst (cons 1 s) as e))5 E0 B1 g7 J" f+ Y: S
(setq e (subst (cons 62 3) as62 e)) ;zl
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6 w8 U1 W/ N+ f (entmod e) ; 修改图形数据库
5 V$ ^9 c7 Y9 K* [0 C; t0 \ (setq chm (1+ chm))& Z$ w' L& U* g, K$ B" J4 `
))
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4 M% T( Y: b" f (setq l (1+ l)); \- K, Q D6 ]- `8 ~$ C7 j! V
)
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(princ "Changed ") ; 统计修改字符串的个数
- Q9 j& ]* {$ D$ l# { (princ chm)
6 h0 t: H6 }% I$ y1 s# d5 o" G! y (princ " text lines.")
' x/ G3 u& ~ [! H (terpri)
7 d. Q+ M) m, ^3 C (setq *error* olderr) ; Restore old *error* handler8 s! l0 Z8 J) X
(princ)
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