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;寻找字符串，并将字符串颜色改为绿色7 l' ^9 g/ o* i6 Q; j1 w0 ]6 O
;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）!0 x9 ^. V9 I7 t) q/ n7 Z1 B
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3 r R& f, e) d(defun chgterr (s)
/ l- d* L$ {$ K# M) U (if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs
% H9 Q4 y$ W; e& F# \9 E (princ (strcat "\nError: " s)) ; while this command is active..." t1 H7 v$ i" ]
)% [) G% |4 y6 _+ ~1 B
(setq p nil) ; Free selection set
# p# E! G* G. g/ Z' i (setq *error* olderr) ; Restore old *error* handler
! H8 O3 O9 q2 f7 H- K (princ)
5 O8 p* h7 S, i% v! {0 K)
1 t7 T g9 v7 |* j& D# T$ u+ B(defun C:chg_color (/ p l n e os as ns st s nsl osl sl si chf chm olderr as62)
: V: f9 D+ R& J6 W/ y% P (setq olderr *error* ; 初始化变量1 k2 g& b. O Y' ^: U r
*error* chgterr
* D# g! }# G$ q- }; O$ { chm 0)* a) I' w$ J5 S3 h1 H/ H. r
(setq p (ssget)) ; 选择集
8 P6 V L& t. i6 D (if p (progn ; 如果选择集被建立
2 R3 ^4 u3 _8 i+ I7 {# E7 B (while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))
7 j* _, V( D# S5 B (princ "Null input invalid")- G, x, U0 F" I5 N; M8 O. z
)+ Z5 Z# Y% [ t3 i
(setq nsl osl ns os) ;zl
/ u' S/ E3 O2 _7 Y0 [& G / E& x$ a8 F, P
' J4 e$ J' l5 @# e- h5 }
(setq l 0 n (sslength p))
2 R) z8 e4 \1 M6 l7 ~; A" { W+ O (while (< l n) ; 循环判断选择集中每个元素
" ~2 U* k- M+ P' d H (if (= "TEXT" ; 判断是否文本类型 type (group 0)
. y6 b5 V. j/ c7 s- [# _ (cdr (assoc 0 (setq e (entget (ssname p l))))))( e: h) X" ]* ~ h8 K" w
(progn4 c" ^3 O) h5 B7 K2 L5 M
(setq chf nil si 1)) z! V' s0 |: j' O
(setq s (cdr (setq as (assoc 1 e))))" b" d* h3 M; u: A
6 ? Y& N9 P* |) }$ H (setq as62 (assoc 62 e))9 b! R# M2 Y" p9 l
2 C* E7 L) J, F# D. O% B
& P+ F4 g- [5 U6 g' s5 M- ~ (while (= osl (setq sl (strlen' [$ t, c7 Y% ^( H' h# G# ~
(setq st (substr s si osl)))))
* D4 b. j" c5 m (if (= st os)
( D6 x* T; w: q' {6 W( K1 p. t (progn
8 O: k( d; F. f4 k5 I) g7 J (setq s (strcat (substr s 1 (1- si)) ns
$ Q. O( @( S- h9 u (substr s (+ si osl)))), f- b2 [ i' U3 C
(setq chf t) ; 寻找老字符串
; F8 B% x0 B3 [' g. v4 Q# X+ ?6 e (setq si (+ si nsl)). M$ E. O8 s/ T' ^: Y
)7 X/ u# h5 t: g, y* M
(setq si (1+ si))* p6 k7 L/ C; n& f# U
)
# `* Q) ?- } e2 B7 n G9 i/ u! { )0 T$ O! `5 y6 x. Z9 M+ y
(if chf (progn ; Substitute new string for old% O' l0 `9 t2 v$ G
(setq e (subst (cons 1 s) as e))' Y/ |& E. g7 M# [3 ]. Y2 ] b7 N
(setq e (subst (cons 62 3) as62 e)) ;zl3 v0 R# t- F2 H% h- S
3 z/ \; {: J& k& k$ P( U" o
: f. v% m1 h8 x4 ?1 z3 I9 L: r+ e" h (entmod e) ; 修改图形数据库, S" h. Q6 u: k% P1 J$ ^# f
(setq chm (1+ chm))3 R+ \3 R W# w, f: f
))
5 y5 I; W* r* y )8 T" i& x" o# [! F
)6 b \6 J- O9 }* n7 Q8 w9 l
(setq l (1+ l))( N2 w3 N. z& g7 E5 k% z# A
)
4 i4 E) V& _1 x+ n8 ^8 }# r ))) a- f0 `$ H ]3 @7 o6 c( F
(princ "Changed ") ; 统计修改字符串的个数 M9 f4 z5 j1 Z" ]- L! d( z x
(princ chm)
. m1 Z( ?- c3 X! |; _" R (princ " text lines.")
7 J8 D0 g( z* f7 R1 z (terpri)" z& k" |8 J/ U; j! Q" a
(setq *error* olderr) ; Restore old *error* handler
& u9 \$ k( o7 u: V3 S+ |/ j; g; F4 l (princ)0 H9 q \ G2 `# G) H
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发表于 2009-1-3 19:24:11
