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;寻找字符串，并将字符串颜色改为绿色
. T$ \) Z/ l* x9 B" K5 c+ u% j/ E;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）!9 F1 ?$ A0 e8 s" s, a
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+ i! {, Y) S) J7 w. h
(defun chgterr (s). ~' a# b% k& H- d; B& C5 e8 ~9 Z
(if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs/ G; J, k; l( O2 O! L2 I
(princ (strcat "\nError: " s)) ; while this command is active... [% V5 Z* ~. |" x K: T; u6 t2 f) K
)" l% Y+ R1 y8 o# R2 o' o* J& q: V3 [
(setq p nil) ; Free selection set
( {, _# P' d7 s3 _% c (setq *error* olderr) ; Restore old *error* handler
; F: D$ [# q0 B7 a (princ)4 Z. m4 m B0 P, g1 B
)* M1 \, s h) u4 J
(defun C:chg_color (/ p l n e os as ns st s nsl osl sl si chf chm olderr as62)! _3 D4 ^* I _5 d% m ~
(setq olderr *error* ; 初始化变量
' s: ? ^# Y# }" o4 w3 w; Q *error* chgterr
- ^+ q& n2 Y5 N/ g; B# R) i chm 0)) O, h; b* ~: n, ^
(setq p (ssget)) ; 选择集
; o9 j) s4 T2 W- G- E2 R! C. { (if p (progn ; 如果选择集被建立
. R: e& q2 u$ o, _0 p) H (while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))% Y, E! d/ m _1 I
(princ "Null input invalid")
6 `, p0 T. |9 y$ M& J$ L )
2 _0 W4 T* y5 M0 N7 j4 H5 f, Y (setq nsl osl ns os) ;zl; q3 m0 C( u* c& Y7 S$ _; l
8 l8 R- v2 v; K) Y3 X4 h* K % F/ i* X; M# y/ v% F% j3 y
(setq l 0 n (sslength p))7 a5 V3 P' l5 e5 t) H
(while (< l n) ; 循环判断选择集中每个元素6 l! z* l& D8 U8 T) e7 P
(if (= "TEXT" ; 判断是否文本类型 type (group 0)- d. `5 T- Q* n9 t
(cdr (assoc 0 (setq e (entget (ssname p l))))))- n3 |3 M" P w
(progn
+ f8 F* c. c+ q4 r (setq chf nil si 1)
; D$ B9 |' S, T( X2 n1 @ (setq s (cdr (setq as (assoc 1 e))))
+ i6 H( L' q6 h
4 S, y3 ^0 H7 e. c: `. t0 E6 z6 V% a% R (setq as62 (assoc 62 e))
: g- M7 q0 k9 Y' e- r* E5 J % w& n4 e% p6 H9 X3 P- L' `0 h# x
4 o4 Z( h9 m2 ?% v) f, F4 ~1 N6 L" R" g ^ (while (= osl (setq sl (strlen
: G2 y9 H% C$ p* P3 ]3 { (setq st (substr s si osl)))))" K% {4 Z" P. ]' q& t* E: y
(if (= st os)
3 h6 T6 F5 Q6 ~3 j& T* q: { (progn
% Z7 a0 ^0 _/ {/ i: E% m (setq s (strcat (substr s 1 (1- si)) ns3 h! z, h' W. y
(substr s (+ si osl)))), k* g, x8 F/ L+ z, ?4 \ I
(setq chf t) ; 寻找老字符串7 A k' `* q# R
(setq si (+ si nsl))! m' t4 [! }* i. y3 r7 K7 w5 {
)
/ e4 R8 p- Y# m0 p( h% O+ | (setq si (1+ si))1 K( T! ]4 v% g$ x3 A6 |$ F
)
4 `: I; T2 t. k )3 E: p* y6 S6 Q) Z- {1 t G
(if chf (progn ; Substitute new string for old
2 s1 W4 a, f2 C5 F& z (setq e (subst (cons 1 s) as e))
J8 C. m6 E2 k6 e! L (setq e (subst (cons 62 3) as62 e)) ;zl4 E! X# O+ X8 f6 a
! X$ T. t: w. }
# z; ?& e/ |# Y5 \+ f9 q# @) ^ (entmod e) ; 修改图形数据库
" x2 u% m8 v) A+ T' L+ I" d (setq chm (1+ chm))
2 E( D$ z/ E6 I$ l ))$ w; k+ O" G4 V, f# R
)
2 C/ v F) O I: t) ] )
8 m" r( S1 M8 f2 a9 F" T( K1 e8 [ (setq l (1+ l))' V# U9 C* t9 P2 j+ X
)
3 J" i- V; t3 l. z ))
. g* D1 y* Z8 u) i3 D: y (princ "Changed ") ; 统计修改字符串的个数9 X( z* h4 A) t; b: t
(princ chm)7 X# N: {1 }4 t9 {1 B+ P+ W
(princ " text lines.")
* \) l o' H, G5 e9 M! V8 _ (terpri)
& o& ~# m( f7 d8 N i. d (setq *error* olderr) ; Restore old *error* handler4 W2 `2 e. f1 ?$ T+ [
(princ)
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发表于 2009-1-3 19:24:11
