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;寻找字符串，并将字符串颜色改为绿色& B2 G3 q X) O0 V
;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）!+ b4 b, q' P: _- V
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(defun chgterr (s)3 X2 b4 ^+ ~, q& u, H6 ? c
(if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs
7 C, u, d: _* F n (princ (strcat "\nError: " s)) ; while this command is active...
, N' K$ B5 K$ M' }' `% c )
8 i% P7 L" w' \ (setq p nil) ; Free selection set6 l/ Q' X1 y" Y5 J( _& u3 o
(setq *error* olderr) ; Restore old *error* handler4 D7 R* w0 l. F: j9 e$ S, y, K+ r+ g
(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) f0 u. q {7 q* S
(setq olderr *error* ; 初始化变量
8 `7 [: `7 k4 a$ _ *error* chgterr
* ^& n, V. E$ i5 Z0 G9 `# j# V9 H chm 0)
9 a& I2 p! v( F (setq p (ssget)) ; 选择集
; ?2 h; e. u9 W% R* L (if p (progn ; 如果选择集被建立
/ ?3 ?+ T5 o. Y& X- W' E$ t (while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))( \' ^, ?: j$ Y9 b' R7 |- |# c
(princ "Null input invalid")% v1 t1 f: s! i8 B: X% G
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(setq nsl osl ns os) ;zl' g( B2 t4 k, e* I! H' j
5 m. _0 e3 C0 Q8 Z
) m9 a2 B- @( c9 l$ G9 m (setq l 0 n (sslength p))/ y% F0 x: T2 Q% _+ d0 }- Z
(while (< l n) ; 循环判断选择集中每个元素, z$ _; o5 Y1 o! p" }
(if (= "TEXT" ; 判断是否文本类型 type (group 0)
8 U& K4 S: l( H' X8 S5 L (cdr (assoc 0 (setq e (entget (ssname p l))))))
6 S( w+ B# Z& R$ W- L (progn
: p2 S# i: l% B$ d (setq chf nil si 1)
, U8 M4 u& e/ H' Z (setq s (cdr (setq as (assoc 1 e))))
2 h. h! v' D! u0 h$ u2 ~
& G4 ~; e1 W7 i- |( |# y% ^* q (setq as62 (assoc 62 e))% }4 u! ~5 G: k+ W9 p
6 r; p" u% t2 J / H9 M1 {' X3 s8 H3 c( {
(while (= osl (setq sl (strlen4 K+ ^! L! Z# v$ t3 o7 ~, |
(setq st (substr s si osl)))))2 }' K- k3 [- |4 o; `
(if (= st os)
) J0 H% p' [% g7 k+ ?& u/ r (progn
7 y, j$ S. _! I' T' x7 x5 z (setq s (strcat (substr s 1 (1- si)) ns+ h* T1 ^( h" c; M! n$ t Z
(substr s (+ si osl))))8 s+ Y! j( B7 k: x$ {" ?
(setq chf t) ; 寻找老字符串4 ?; t) T0 V6 [: Q# p% I9 F8 v
(setq si (+ si nsl))
j2 p/ M2 p& o) S6 @6 u- { )
& ^8 y' t9 T, ?( e (setq si (1+ si))
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(if chf (progn ; Substitute new string for old5 Z# [ V% ?1 i2 ^. v
(setq e (subst (cons 1 s) as e))
1 B' F# s; G! G/ V; e( u+ D8 ] (setq e (subst (cons 62 3) as62 e)) ;zl
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) B$ }1 C5 t6 }' U (entmod e) ; 修改图形数据库
! o( i8 c9 U9 {( z6 e* `1 n4 c (setq chm (1+ chm))0 V0 P4 D8 Z s% V! \9 V
))
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1 |7 F5 ^" r- ]4 A )
2 \2 i1 |8 i A; m6 K& j" g' K (setq l (1+ l))
% a% E1 m- D* e) W8 e, }( M )
) |& c" y4 R3 H+ h3 u ))
% w; L/ J7 w, b/ m (princ "Changed ") ; 统计修改字符串的个数
" i/ w+ h1 {- w; _ (princ chm)
1 R _3 p5 D( o* h" F6 [8 U: V (princ " text lines.")" |+ s5 t# s$ Y
(terpri). S. r4 ^% B( H+ e5 s
(setq *error* olderr) ; Restore old *error* handler
# \* X5 x! E( L# ]$ E' E+ u (princ)
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发表于 2009-1-3 19:24:11
