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;寻找字符串,并将字符串颜色改为绿色
9 q) N* w6 B! c( f! i;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)!; E5 p( W6 I+ T/ K$ F; m3 k6 m5 k
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(defun chgterr (s)
4 c! n k& X W& J0 ], C" d1 z3 b (if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs
0 u$ p* Z u/ k (princ (strcat "\nError: " s)) ; while this command is active...* T; s6 G1 c; p
)
# ?4 v5 ? |/ K1 {1 K4 Q6 E (setq p nil) ; Free selection set2 |4 N. S& S! ]5 c5 t# B
(setq *error* olderr) ; Restore old *error* handler
- d1 A: H o" x! ?8 n, R (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)0 G# \9 w3 m- a9 Y, F, S8 m$ ~5 }
(setq olderr *error* ; 初始化变量
9 ~) K- ^3 t+ O- N5 l) G/ j1 D *error* chgterr8 b- r1 Z, q' ?5 M
chm 0)
% Z9 `$ b7 l6 L1 A; q2 J (setq p (ssget)) ; 选择集, ^! `6 t* A' m. [/ {
(if p (progn ; 如果选择集被建立( x, r+ `6 T \' S4 ~, }
(while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))" l4 p K$ U9 ?2 W. K
(princ "Null input invalid")
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; E) r, F) p( s! T (setq nsl osl ns os) ;zl
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(setq l 0 n (sslength p))& l. {& ^( a2 p7 t o. h
(while (< l n) ; 循环判断选择集中每个元素
3 K6 H) w6 ?' Z3 Z (if (= "TEXT" ; 判断是否文本类型 type (group 0)' q! j1 g7 t2 o# I9 y
(cdr (assoc 0 (setq e (entget (ssname p l))))))
$ r( r. H1 u u0 d! X, Z9 } (progn
' F E R* k/ } (setq chf nil si 1)
0 V9 s# f _# D2 N# O- R! ^ (setq s (cdr (setq as (assoc 1 e))))
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(setq as62 (assoc 62 e))
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(while (= osl (setq sl (strlen5 C, f& t9 E% G1 J+ y+ s
(setq st (substr s si osl)))))1 X, c) r) K2 z( R+ {3 K9 |6 C- r0 g
(if (= st os)
G7 G5 L2 X6 h2 ]9 a (progn2 r2 W9 I4 g: R( X, f
(setq s (strcat (substr s 1 (1- si)) ns
6 F: E! _8 ~3 Y0 n7 P" o (substr s (+ si osl))))' R# N+ O# I; w2 j. E& ~1 A! ]
(setq chf t) ; 寻找老字符串% J0 r& j& I! C' M. z
(setq si (+ si nsl)). O/ b$ c" c) i4 q6 F0 D% Z
)
, i/ |) D( C2 ]" _" S, L f* H Z (setq si (1+ si))
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)
) r$ f( U# `" J0 ~% P# S (if chf (progn ; Substitute new string for old4 W. Y, ^7 }6 w; [1 w3 |/ n4 ]1 m
(setq e (subst (cons 1 s) as e))
- W& }6 U; A$ }) ]% e! w (setq e (subst (cons 62 3) as62 e)) ;zl' ^: X& h: ~( r/ l& f% [
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' W" B! _ W0 V* d' a/ t3 ^ (entmod e) ; 修改图形数据库3 s u# r& E4 s B+ m
(setq chm (1+ chm))0 f3 d! {8 K8 f$ l% O4 q
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)
3 m: I/ L$ j$ K5 m4 p1 \1 N9 N (setq l (1+ l))$ Y4 u* i7 E7 |/ i
)
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(princ "Changed ") ; 统计修改字符串的个数
( W$ j- { S& ]( S8 f# `5 m (princ chm)) `6 g9 l9 }/ I% j, o; i1 J" ]
(princ " text lines.")
! y) k) ^: v4 [# s (terpri)+ @& {/ A' S. i
(setq *error* olderr) ; Restore old *error* handler
+ f- h, i" \6 P: M (princ)+ [: |# k0 x3 g: Q$ p
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