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发表于 2005-4-14 11:09:00
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显示全部楼层
试试:
(defun c:test () (SETQ F_ID (OPEN "C:data.dat" "r")) (setq xx nil) (while (SETQ text0 (READ-LINE F_ID)) (setq len (strlen text0)) (setq XX0 (substr text0 (- len 1) 2)) (setq n (vl-string-position (ascii ",") text0)) (setq n1 (vl-string-position (ascii ",") text0 (+ n 2))) (setq n2 (vl-string-position (ascii ",") text0 (1+ n1))) (setq n3 (vl-string-position (ascii ",") text0 (1+ n2))) (setq xh (substr text0 1 n) x (atof (substr text0 (+ n 3) (- n1 (+ n 2)))) y (atof (substr text0 (+ n1 2) (- n2 (1+ n1)))) p0 (list x y) p1 (list (- (car p0) 0.38) (- (cadr p0) 0.13)) p2 (list (+ (car p0) 0.26) (- (cadr p0) 0.24)) bg (substr text0 (+ n2 2) (- n3 (1+ n2))) ) (setq text1 (list '(0 . "TEXT") '(100 . "AcDbEntity") '(67 . 0) '(8 . "0") (cons 10 p1) '(40 . 0.2) (cons 1 xh) ) ) (setq text2 (list '(0 . "TEXT") '(100 . "AcDbEntity") '(67 . 0) '(8 . "0") (cons 10 p2) '(40 . 0.4) (cons 1 bg) ) ) (entmake text1) (entmake text2) (if (/= xx0 xx) (progn (command "") (command "line" p0) ) (command p0) ) (setq xx xx0)
) (command "") (CLOSE F_ID) )
data.dat数据文件,放在C:\根目录下
1,,100.12,200.12,10.30,X1 2,,300.12,400.12,20.30,X1 3,,200.12,350.12,40.30,X1 4,,400.12,150.12,20.30,X2 5,,500.12,650.12,50.30,X2 6,,200.12,850.12,70.30,X2
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