精选优质文档-倾情为你奉上(princ n程序：统计线段长度 命令：zz)(defun C:zz (/ CURVE TLEN SS N SUMLEN) (vl-load-com) (setq SUMLEN 0)(setq SS (ssget (0 . CIRCLE,ELLIPSE,LINE,*POLYLINE,SPLINE,ARC)(setq N 0)(repeat (sslength SS) (setq CURVE (vlax-ename-vla-object (ssname SS N) (setq TLEN (vlax-curve-getdistatparam CURVE (vlax-curve-getendparam CURVE) (setq SUMLEN (+ SUMLEN TLEN) (setq N (1+ N) ) (princ (strcat n共选择 (itoa (sslength SS) 条线段. 线段总长: (rtos SUMLEN 2
