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;寻找字符串，并将字符串颜色改为绿色
* i+ a0 A0 c# x;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）!+ G. q/ j4 W ?# A- t
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(defun chgterr (s)# B) A- v% u \8 r8 ~; x
(if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs
; j$ A, V* D2 m' i (princ (strcat "\nError: " s)) ; while this command is active...
' H* q% ^. d8 z# j# x- }* h; C )
* l3 e: T. f5 t! W, M (setq p nil) ; Free selection set
- A+ {8 B, M" K5 T1 ^ (setq *error* olderr) ; Restore old *error* handler2 o8 S" [! u$ P6 t3 ~
(princ)7 q2 S2 o& t" D, z
)+ ?9 j3 }9 ^" l3 `
(defun C:chg_color (/ p l n e os as ns st s nsl osl sl si chf chm olderr as62)
/ o9 y" ]1 J" G- c# l6 A" T (setq olderr *error* ; 初始化变量
2 m$ ^5 b) A9 i3 y5 Z3 c4 e" q *error* chgterr T1 m" e4 h/ r6 H
chm 0)1 r6 S7 R: A$ w3 P, }; i5 |# Z
(setq p (ssget)) ; 选择集. m7 l! @) J4 F1 L
(if p (progn ; 如果选择集被建立% N7 d; [; A( M" X/ Z9 k/ L/ z
(while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))
2 ?/ s5 F$ E/ t2 ?6 A$ O4 a (princ "Null input invalid")
( ~# q% q7 T: Y4 M" p& h ), a- f" o8 C/ M0 R% K* j+ l% U; ]
(setq nsl osl ns os) ;zl
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: @& a+ ]0 p& A
+ ~% ~0 [+ b+ B5 |2 y% N2 q (setq l 0 n (sslength p))% U# E& e) K, Y" N9 o% x; u
(while (< l n) ; 循环判断选择集中每个元素" @, k8 i6 ~0 Z0 d8 i8 A
(if (= "TEXT" ; 判断是否文本类型 type (group 0)0 z; Y* x6 D$ C# k4 [
(cdr (assoc 0 (setq e (entget (ssname p l))))))
: C5 Q5 }0 L: y6 O (progn
, r# F7 f3 V r# t- q (setq chf nil si 1)
/ O8 Q6 _. S2 e) U (setq s (cdr (setq as (assoc 1 e))))
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(setq as62 (assoc 62 e))
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* N% D4 l; \$ z0 R5 B: [4 t
' c5 @, l! b, Q* S9 r; ] l (while (= osl (setq sl (strlen
' p! P: U7 t/ R8 Y+ Y (setq st (substr s si osl)))))
, F. D( c& J. p: }; V (if (= st os)6 d, p+ o, B& @$ L( V% ^
(progn2 ^. o, z8 v# O) @2 s: u
(setq s (strcat (substr s 1 (1- si)) ns( K1 ^% x3 ]7 t7 N. r
(substr s (+ si osl))))9 ?) M7 ?9 S+ r+ @
(setq chf t) ; 寻找老字符串; r2 v% C9 u9 F9 J2 a
(setq si (+ si nsl))+ `. i% J+ X- z* j8 B: o
)0 u. q; X, e$ G8 n8 ^- F3 p% b' A
(setq si (1+ si))
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)
3 _2 g |, j j$ ? (if chf (progn ; Substitute new string for old
6 U, n' j1 I2 Q8 V$ @ (setq e (subst (cons 1 s) as e))3 l8 D% }8 ? z& {% k2 E0 Z
(setq e (subst (cons 62 3) as62 e)) ;zl7 z" Z9 k0 {" I- G! Z
" q( s; ] a$ z5 Y0 B
. n; V9 R, Y* u4 T. s (entmod e) ; 修改图形数据库$ q5 |5 r% o( {
(setq chm (1+ chm))% K7 ]8 |0 N3 l! q
))
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, o/ z' u0 y0 `: P% H- ^# ] j )
* }- u: }- e+ m# b (setq l (1+ l))
5 y* j2 |) ~: A8 p4 q9 l& v )8 {) \( @" ]$ a
))9 |/ J9 \3 `& }2 @' r+ {
(princ "Changed ") ; 统计修改字符串的个数5 r9 r9 H' n6 h" @; P2 v
(princ chm)
' S* t8 y- k/ U: \: A- A$ k (princ " text lines.")
# ]' r- G% I5 w+ t& i( ^* P (terpri)
& |8 b0 _% ]7 b6 J9 @9 F% S. c (setq *error* olderr) ; Restore old *error* handler5 Q1 f3 _6 f Q" i/ j5 ]
(princ)
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发表于 2009-1-3 19:24:11
