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zenghong 发表于 2006-12-6 13:17:00

[LISP]各位大哥指点

<P>;;;小弟刚学LISP 烦请各位指点一下</P>
<P>;;;------------编程思路------------<BR>;;;1:选择对象线长存入ss1&nbsp; 乘&nbsp; 0.1&nbsp;&nbsp;&nbsp;&nbsp; 若无选择　按空键<BR>;;;2:选择对象线长存入ss2&nbsp; 乘&nbsp; 0.2&nbsp;&nbsp;&nbsp;&nbsp; 若无选择　按空键<BR>;;;3:选择对象线长存入ss3&nbsp; 乘&nbsp; 0.3&nbsp;&nbsp;&nbsp;&nbsp; 若无选择　按空键<BR>;;;print 1 　若无选择不显示该行<BR>;;;print 2 　若无选择不显示该行<BR>;;;print 3　 若无选择不显示该行<BR>;;;　&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 若全部没选择则显示该行&nbsp; :“没有任何选择”<BR>;;;----------------------------------------------------- <BR>;;;计算线加总长度 <BR>;;;----------------------------------------------------- <BR>(defun C:lz (/ CURVE TLEN SS N SUMLEN) <BR>&nbsp; (vl-load-com) <BR>&nbsp; (setq SUMLEN 0) <BR>&nbsp; (setq SS (ssget '((0 .&nbsp; "CIRCLE,REGION,ELLIPSE,LINE,*POLYLINE,SPLINE,ARC"))))&nbsp;&nbsp;&nbsp; <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>(print (strcat "总长:" (rtos SUMLEN 2 5))) <BR>) </P>

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