[LISP程序]：请LISP高手帮忙

sm19753459

帮我把这个LISP程序还原能用!
<P>你的意思是不是要求所选的线段总长度</P><P>下面是求出所选定的线的总长度之和源码</P><P>(defun C:cdtj (/ CURVE TLEN SS N SUMLEN) <BR>&nbsp; (vl-load-com) <BR>&nbsp; (setq SUMLEN 0) <BR>&nbsp; (setq SS (ssget &#39;((0 . "CIRCLE,ELLIPSE,LINE,*POLYLINE,SPLINE,ARC")))) <BR>&nbsp; (setq N 0) <BR>&nbsp; (repeat (sslength SS) <BR>&nbsp;&nbsp;&nbsp; (setq CURVE (vlax-ename-&gt;vla-object (ssname SS N))) <BR>&nbsp;&nbsp;&nbsp; (setq TLEN (vlax-curve-getdistatparam <BR>CURVE <BR>(vlax-curve-getendparam CURVE) <BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ) <BR>&nbsp;&nbsp;&nbsp; ) <BR>&nbsp;&nbsp;&nbsp; (setq SUMLEN (+ SUMLEN TLEN)) <BR>&nbsp;&nbsp;&nbsp; (setq N (1+ N)) <BR>&nbsp; ) <BR>&nbsp; (print (strcat "总长度: " (rtos SUMLEN 2 5))) <BR>&nbsp; (princ) <BR>) </P>