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;寻找字符串，并将字符串颜色改为绿色
* H# V7 r' e/ c: c: n2 o. j;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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(defun chgterr (s)
# R, h+ Q+ c8 N! j& D* x) j (if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs5 T- O& O+ F* t$ k4 T
(princ (strcat "\nError: " s)) ; while this command is active...
) k' _8 [( d3 a: b9 F% } )) K1 l$ T7 J+ r. Q! p
(setq p nil) ; Free selection set$ Y: [ V& q& L! ~
(setq *error* olderr) ; Restore old *error* handler' U" Q) D; w. w& e
(princ). e+ N) C5 {. Z3 i+ p) N* @
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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)
' J; I% h/ }9 }+ S( \% v+ D (setq olderr *error* ; 初始化变量
! Z/ [8 }4 a! p *error* chgterr" u+ m6 H8 n7 Y
chm 0)0 \2 g. C8 `; i/ \9 d0 ?
(setq p (ssget)) ; 选择集+ X$ S" W0 ]! ^. f2 s) K
(if p (progn ; 如果选择集被建立
' x% z/ F1 e4 a2 p: W- @ (while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))) _% Z+ y' L1 ~# z6 N
(princ "Null input invalid")
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3 i. d O% T2 e$ m% j& C (setq nsl osl ns os) ;zl$ z" \. ~) ]) J% j
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(setq l 0 n (sslength p))8 b7 i; I9 L8 Z( P2 W
(while (< l n) ; 循环判断选择集中每个元素0 J0 l! d5 w, Z, t
(if (= "TEXT" ; 判断是否文本类型 type (group 0)3 H- V p8 b; W1 t% v; h
(cdr (assoc 0 (setq e (entget (ssname p l))))))
' {# X4 i" }! J5 l6 C x7 A (progn
6 r' I+ O3 J: m) q (setq chf nil si 1)
u0 W! S5 C1 f8 u! G1 | (setq s (cdr (setq as (assoc 1 e))))
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(setq as62 (assoc 62 e))
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; v) N" s x0 ]3 t, h' g (while (= osl (setq sl (strlen$ K {1 a) l+ |6 y# W3 p0 k
(setq st (substr s si osl))))): M& ^. `3 }& t: q' ?" o4 n
(if (= st os)
7 R x* ?3 i+ K# Z# K ^ (progn
+ I3 E* A' n$ Q4 L# X2 [# a5 B (setq s (strcat (substr s 1 (1- si)) ns
/ M7 X- H$ ~' ]: G' @ (substr s (+ si osl))))) C" A1 I+ w# k& B1 @
(setq chf t) ; 寻找老字符串
/ q& a" N9 J+ X7 q8 s (setq si (+ si nsl))! {3 i$ p3 b; M" F) w
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(setq si (1+ si))% B( P3 j3 S& T
)
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d, v, S# X: B (if chf (progn ; Substitute new string for old, }' m3 K0 S6 b
(setq e (subst (cons 1 s) as e))
3 [/ t. [' z* i# D4 M* N% s (setq e (subst (cons 62 3) as62 e)) ;zl
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2 P! x1 _1 V' W7 J$ @ (entmod e) ; 修改图形数据库' _9 v- P$ `: |" |" {
(setq chm (1+ chm))1 x2 s# K; k5 _: S& g- ~
))
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7 F, w9 `) X' c6 ~5 [ (setq l (1+ l))0 c3 B* o6 }8 F4 V3 |
)
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(princ "Changed ") ; 统计修改字符串的个数
4 u+ F8 D: U, E `* X (princ chm)( t: m" W |2 |
(princ " text lines.")
8 n5 c" c( T) @9 d0 [ (terpri)
( N# K+ w4 K8 W* V% Q* [9 d (setq *error* olderr) ; Restore old *error* handler) d9 H* e X, L$ U
(princ)$ l$ E/ E; [$ k: r. [# n. ^" g
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发表于 2009-1-3 19:24:11
