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;寻找字符串,并将字符串颜色改为绿色
- z0 H4 d2 o' W/ P;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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' ~7 _8 S3 h" `3 b0 a(defun chgterr (s)! {: N7 x" n/ t# [: g
(if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs, C4 d; @: Y0 Q' B! L
(princ (strcat "\nError: " s)) ; while this command is active...! c1 l' a* W2 X1 F- @+ T
)
9 P3 M4 u2 }* b8 u; K1 q8 v4 |$ p (setq p nil) ; Free selection set
% A) B8 L2 R/ ?# A P' Y (setq *error* olderr) ; Restore old *error* handler
3 l4 ]* X* }3 o/ ~, I6 f& E; Z (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)
/ b) b* @5 j; M2 A (setq olderr *error* ; 初始化变量8 d" N7 D2 h/ n8 C% j
*error* chgterr% T0 }9 f. q* W/ e9 `% r
chm 0)" w) H8 o4 J4 e: O: ]* O( k9 A4 E$ I
(setq p (ssget)) ; 选择集
+ [0 {: A. P4 E0 `' C0 }3 [6 @ (if p (progn ; 如果选择集被建立
! |0 J$ |1 r$ u0 y9 {- u (while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))
2 t9 [1 r2 \6 \. t) W* I (princ "Null input invalid")- B3 _: G8 z6 y s
)
' r1 X! X! F& j/ K7 R (setq nsl osl ns os) ;zl
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(setq l 0 n (sslength p))
/ a3 i4 S+ t H2 s C3 N5 D (while (< l n) ; 循环判断选择集中每个元素. C9 Y4 F: {! A" D4 z$ l" J, b6 {
(if (= "TEXT" ; 判断是否文本类型 type (group 0)# z' n& N) l% m- ^
(cdr (assoc 0 (setq e (entget (ssname p l))))))
7 }% F, c3 q* m1 x. q4 w (progn# D H& u! `3 f N
(setq chf nil si 1)
4 o2 F1 W8 L' Y* q4 \/ ~9 i1 o (setq s (cdr (setq as (assoc 1 e))))
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(setq as62 (assoc 62 e))
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& |- k; M" C9 {$ F5 f' r
: M2 n2 S0 m* q4 j4 c% f (while (= osl (setq sl (strlen* Q( W1 P/ y9 J) n V( c' b
(setq st (substr s si osl)))))3 d p* \0 r7 i; T2 g! C
(if (= st os)& ~" }/ C. T" }1 a. E4 L. O% x
(progn
6 `, ~' F7 J, H+ s (setq s (strcat (substr s 1 (1- si)) ns) j8 ?$ C) p) X$ o1 P) i) g
(substr s (+ si osl))))
1 W2 R( M- q! J (setq chf t) ; 寻找老字符串+ Y. s# K9 s( `) |! ]9 e
(setq si (+ si nsl))
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(setq si (1+ si))
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)
0 `% y; x; g/ y; F @ (if chf (progn ; Substitute new string for old, S: G1 b* X* r$ B! d
(setq e (subst (cons 1 s) as e)). ^ J( t+ t0 o' g8 m1 S" u( g
(setq e (subst (cons 62 3) as62 e)) ;zl
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7 D$ D0 z$ W& k& n1 H9 u( d! z (entmod e) ; 修改图形数据库
' N% Q! M; _' [( X( e/ b (setq chm (1+ chm))7 c0 I7 D) @8 u( S8 f
))
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3 |' H' T7 m( R4 J, l1 j. j$ x ); n' t* G6 S/ ~* U2 y+ e
(setq l (1+ l))
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))
6 ~* }- X( Z' N (princ "Changed ") ; 统计修改字符串的个数
8 T7 q+ X. G/ L* {% A q5 w (princ chm)/ D5 Y' t' V& t' m1 |
(princ " text lines.")! \* o& K/ D$ v. G. {( I8 n
(terpri)
+ |6 @# v- [+ e5 I/ S# D$ {# R (setq *error* olderr) ; Restore old *error* handler
+ ~. p( `2 q/ }0 ~ (princ)
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