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;寻找字符串，并将字符串颜色改为绿色
, A' W+ S7 p2 x2 D;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）!$ L0 ?2 G5 M2 d! \8 F- A6 s7 X
3 X; j: |2 H% b0 r( ]8 [- z8 h
" J5 S7 y$ g4 l# g0 T5 H(defun chgterr (s)
- W; O% N4 X9 g/ o! C2 [3 J7 Q" V (if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs
7 n5 j$ J6 s# m) _+ b3 Y (princ (strcat "\nError: " s)) ; while this command is active...! t9 w' ~+ v: j( W+ h `6 @
)
; {* K/ i# C3 ^# @ (setq p nil) ; Free selection set- R, l6 ^5 l* w% Z$ d3 d# L
(setq *error* olderr) ; Restore old *error* handler
; C% A4 B9 J- X% g1 a# z3 J5 y0 t (princ)) d+ x/ t( Y$ j% i- _ q6 P; J
)
1 q+ j9 A' `( [$ R' `(defun C:chg_color (/ p l n e os as ns st s nsl osl sl si chf chm olderr as62)
# B; {5 E6 P7 r- M7 F. [ (setq olderr *error* ; 初始化变量
# M4 `- v3 O$ j3 j *error* chgterr
. y& A' Q) a# {4 F2 c1 \: i, F" i) G q! G chm 0)3 l) S! n6 @- e
(setq p (ssget)) ; 选择集' C5 F3 Y* D; r% t5 O
(if p (progn ; 如果选择集被建立
' Q) o6 o7 e& y (while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))
- u# h5 `( p8 K# z" P (princ "Null input invalid")! y& o: l( I1 D4 i: r8 k: ^9 F
)
( a9 U3 @# O) W0 } (setq nsl osl ns os) ;zl
# ?. I1 M* \. `* w. ]9 r 9 }4 }7 B: N3 h Z' d# H* v6 h' }
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(setq l 0 n (sslength p))! G7 t( C' C$ a( _' Q+ ]
(while (< l n) ; 循环判断选择集中每个元素0 H4 c( f! r, f# j1 e2 \4 _
(if (= "TEXT" ; 判断是否文本类型 type (group 0)
0 ?2 q/ f' Q: v, N (cdr (assoc 0 (setq e (entget (ssname p l))))))3 ~- C. `- g8 C" w0 W" A: b
(progn
; _( ~7 y# a4 i" [ k (setq chf nil si 1)# n" J+ p( R$ {
(setq s (cdr (setq as (assoc 1 e))))
A1 c4 G2 g1 Q9 q9 }5 a" l7 u) e( y
( M) v6 ^1 p3 C( a# { (setq as62 (assoc 62 e)) \+ I Q8 D) l2 E9 Z" p
/ }& C- H/ \; [1 C' z! }& D9 \
( j) b/ |8 l, X (while (= osl (setq sl (strlen3 V$ Y" I6 O" ~# G- @0 L; C5 @
(setq st (substr s si osl)))))
) D- W1 T9 m; n& X2 L (if (= st os)
: g" X6 V! L" K1 E! |) A (progn
! z; E1 n! }! ?0 A# ^$ \5 @ (setq s (strcat (substr s 1 (1- si)) ns
9 u' c) ~; M8 n3 w (substr s (+ si osl))))# m0 P" w* k8 \, ]8 m7 L
(setq chf t) ; 寻找老字符串& c( h$ J. B# ]: U. F1 p
(setq si (+ si nsl))
9 d5 x# }5 G$ s7 s- S ) c( `3 l! f. {( K( D& l4 X
(setq si (1+ si))- P' k7 @3 M& y, P8 ^
)4 _% A% p1 f; F( W/ o: C1 Z
)# Q! z/ l( w& _% {! v
(if chf (progn ; Substitute new string for old
4 I" T. s. p: Z& K9 y0 R (setq e (subst (cons 1 s) as e))2 v2 p: V X4 ?8 w$ x T! `2 d
(setq e (subst (cons 62 3) as62 e)) ;zl1 g7 o, D5 B) \0 }" Q& \
+ L7 Q6 y) |, }# b. E
( z# {# i Q% n8 W (entmod e) ; 修改图形数据库 C! j- b9 P4 R7 _
(setq chm (1+ chm))6 n' Y/ s9 r3 \6 G4 ]
))
1 ^6 o0 C5 ]; N- |6 n )
' R+ \3 j% K' X; b$ i3 R- W8 L5 a )/ m6 M" z4 [3 Z2 D8 G: A) G* b4 w
(setq l (1+ l))6 A( I1 S! P# _7 s% y
)1 s" I* y) X2 |6 H8 }
))# o! R! }; T S
(princ "Changed ") ; 统计修改字符串的个数3 B" H. B# m" S/ c2 `: y8 X
(princ chm), W5 [* d% [; k. A: @6 m. ?
(princ " text lines.")9 P: j3 G. _& d( |' L3 i& L P
(terpri)
5 `: n6 n2 E0 W$ R7 @; { (setq *error* olderr) ; Restore old *error* handler4 Y0 @" l' }, D2 G1 G s
(princ)3 K" v* N# a# \- R
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发表于 2009-1-3 19:24:11
