;;命	令：zzz
;;来	源：http://blog.163.com/huang_wen_zhong/blog/static/68070799201310695512600/
;;感谢原作者

(princ "\n程序：统计线段长度 命令：zzz") 
(defun C:zzz (/ 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 3) "  .")) (princ)  
)