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x
;寻找字符串，并将字符串颜色改为绿色
8 A7 F0 i. h# h* f, B8 e, v1 ?;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）!/ q( n; o3 k) J5 G: z
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m8 A1 T1 c" P9 E, ^+ r(defun chgterr (s)8 V' ~# ^7 _1 k3 G0 Z8 u
(if (/= s "Function cancelled") ; If an error (such as CTRL-C) occurs( J. N0 [8 L8 B5 G) Q
(princ (strcat "\nError: " s)) ; while this command is active...
" {: i/ N/ C; @, P8 l! y9 E )( r* x' ]: o e5 b* o) o$ |. i
(setq p nil) ; Free selection set
+ F7 a! j, M& `: D5 ] (setq *error* olderr) ; Restore old *error* handler
9 |' i3 ]9 R" D7 M+ B (princ)- |& t% E, O( F
)' b; x0 j- p) D9 h
(defun C:chg_color (/ p l n e os as ns st s nsl osl sl si chf chm olderr as62)8 V; s. h' b1 Z
(setq olderr *error* ; 初始化变量
8 ^, r2 Y* J: W" f* b *error* chgterr2 G9 H8 Q: |1 \, @# O. \
chm 0)
" M, [, v, `9 M! U! u. h (setq p (ssget)) ; 选择集
, I" {: I/ m0 S (if p (progn ; 如果选择集被建立
& L& I N# I: S% p (while (= 0 (setq osl (strlen (setq os (getstring t "\nOld string: ")))))
4 o0 a( J+ H5 H! U0 S4 y8 ~, S (princ "Null input invalid")
3 X6 K p; N6 v# p )
) z' p2 t' S+ ]9 F (setq nsl osl ns os) ;zl6 a" n$ N! {+ q& ~
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t" q$ R6 p4 X Y4 F
(setq l 0 n (sslength p))* W) o* }; L, ?! {' q7 S7 u
(while (< l n) ; 循环判断选择集中每个元素+ {; {) n F) t4 m
(if (= "TEXT" ; 判断是否文本类型 type (group 0)3 ?, a- _& p; y. L# a% C( x
(cdr (assoc 0 (setq e (entget (ssname p l))))))
q$ v& m5 f9 b+ A" I (progn8 K: E& \) m, @$ I% C
(setq chf nil si 1)7 R7 `% ^! E4 ]2 @* m9 \& {
(setq s (cdr (setq as (assoc 1 e))))
1 f: z8 O1 t; c
4 C+ |9 W4 ~( y: ?% A) u( ` (setq as62 (assoc 62 e))2 j/ |+ N7 S7 d' y2 {0 y) y- J
4 @3 K0 r3 N3 ]: M: ^+ E
( J. V) n3 ~ g
(while (= osl (setq sl (strlen6 ], s( o/ v) T, ~0 ?" Y
(setq st (substr s si osl)))))
. o+ y9 S$ x C6 V7 j: Z9 s2 c (if (= st os)
" L$ E3 P( y* M% J& t2 q (progn0 I/ W' v- `; O; |# G; I
(setq s (strcat (substr s 1 (1- si)) ns
$ w& k- |! S* J, j7 T( y, N* E (substr s (+ si osl))))
: s1 {: f0 I6 K (setq chf t) ; 寻找老字符串. y# c* W( h) O6 L
(setq si (+ si nsl))
% L* ]: j# [( I v& m! v: o. P )
: ]: }" w! p3 F, {, U' H! _- J (setq si (1+ si))! }5 e2 j& G2 z; A9 n8 Q
)8 t& w# s7 N. X" g% ^& r
)
9 w; M4 _! Z8 } (if chf (progn ; Substitute new string for old
8 d$ U+ J6 M! t4 p$ J; X (setq e (subst (cons 1 s) as e))
; H+ d( k P/ \+ E (setq e (subst (cons 62 3) as62 e)) ;zl
( K5 x# ?! B# n0 ? - B! T! r6 R, @ G
+ q% x: Q8 ^& k! R( e; q (entmod e) ; 修改图形数据库
+ c7 L8 _9 j. ]- K! H* e: Z (setq chm (1+ chm))) H& n3 v/ N) W5 g, V7 ~# V0 J
))" N/ g. T$ Y3 K( O! B
)
* |+ W4 }5 @" i" P& @! V% y ), y9 s+ Z) i( p
(setq l (1+ l))6 E: Y7 |2 b& Y0 [
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))& r! [. Q) F; N
(princ "Changed ") ; 统计修改字符串的个数
- Q8 |* c* {, @' E (princ chm)8 r2 s+ D) y9 R) R5 K$ s0 e! f! ?
(princ " text lines.")/ h! f+ z+ x& j
(terpri)
& t7 T& u q7 ^& I' I6 L0 C (setq *error* olderr) ; Restore old *error* handler# @% I) h) M3 J2 p2 c8 y/ t' D
(princ)" v0 \ @# c3 \# e, b
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发表于 2009-1-3 19:24:11
