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;寻找字符串，并将字符串颜色改为绿色
2 U$ S: S. f/ J6 N;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）!. c- C" @9 @* i; _8 K
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(defun chgterr (s)9 _3 x* @7 ^- d/ Z A2 H
(if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs9 W% {9 V5 ]; O7 W
(princ (strcat "\nError: " s)) ; while this command is active...
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(setq p nil) ; Free selection set7 e+ u9 T$ v) P; j% m1 D
(setq *error* olderr) ; Restore old *error* handler7 Y) ]' j2 x3 o( D" ^- |
(princ)% s3 D Z/ d# R' k
)
b$ U; A* X, @- J, D(defun C:chg_color (/ p l n e os as ns st s nsl osl sl si chf chm olderr as62)7 Y/ u* ?. [8 X: f2 G7 e
(setq olderr *error* ; 初始化变量
( ]8 p- w/ |+ n* ?& I *error* chgterr
( ?5 C' b3 N8 r* N+ p3 q$ f chm 0)+ W Q0 J; [: U7 _9 j0 G# X6 T
(setq p (ssget)) ; 选择集1 [ L$ a8 l" P& E
(if p (progn ; 如果选择集被建立9 O1 E* P2 Q6 p/ E+ X- U
(while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))9 z* W* q' f- @; X
(princ "Null input invalid")* f; e3 e$ n. d
)9 L3 I/ n- q- R
(setq nsl osl ns os) ;zl
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% {) Q H, A8 P% P7 F7 W ; c% B( r' y/ q0 k' b! ]& ~
(setq l 0 n (sslength p))
0 ~4 C+ d4 u( ?% _) Q (while (< l n) ; 循环判断选择集中每个元素
8 i4 E. ^5 @/ B9 k( u. D! k6 Z: X (if (= "TEXT" ; 判断是否文本类型 type (group 0), l: g+ i3 o7 |8 [; G; ~7 p+ { X6 Y; I
(cdr (assoc 0 (setq e (entget (ssname p l))))))
+ v4 h5 h3 @" R5 L' Y% L' |, a- N# h (progn
. [7 a8 B* C# m- H+ Z2 C* i (setq chf nil si 1)3 I' |. N- r/ M# j3 _
(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 (strlen* t7 R0 N2 K& A1 Z. o+ b5 i' d
(setq st (substr s si osl)))))) H) ^1 h' D7 x
(if (= st os)" ^6 R& P3 l) @; P$ |
(progn
' Y# d& S% M: Q% Q1 ~! Z# x9 g! N (setq s (strcat (substr s 1 (1- si)) ns
' q* d! q! _7 Z7 a (substr s (+ si osl))))
" U1 S2 a' ?, O7 F2 r, n) W (setq chf t) ; 寻找老字符串
; N4 ^6 z$ ]2 U2 R, ?/ _ (setq si (+ si nsl))
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; S& g; V% N$ ^/ {0 W6 k (setq si (1+ si))
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(if chf (progn ; Substitute new string for old
4 Y$ H0 u: |$ Y& S4 {4 z+ s (setq e (subst (cons 1 s) as e))+ y- w+ }4 R4 D
(setq e (subst (cons 62 3) as62 e)) ;zl
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4 S- }2 `- a, A- J6 h (entmod e) ; 修改图形数据库
) O& b0 w1 ?5 S: K0 l (setq chm (1+ chm))
4 ?% B( L' j# M* g# o! I# d/ y/ c ))* ?7 R8 L; N9 B% t/ }
)
3 c3 A. E' U v7 w3 l' g )
8 l8 T( t+ m: x% _- ~ (setq l (1+ l))
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))
8 H( Y% V6 _# ?6 R) ~ K' Y2 F0 z (princ "Changed ") ; 统计修改字符串的个数
7 |$ C" J; R* ?' L (princ chm)! K6 R/ H8 Y! c7 U
(princ " text lines.")! m- o; H0 z ]+ |% C4 S
(terpri)
# C$ p( G& `( W* a (setq *error* olderr) ; Restore old *error* handler
& |' H; x, a9 M; o (princ)8 y- i' s$ m; `) }% u5 h5 x: Q+ L% a
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发表于 2009-1-3 19:24:11
