[LISP]实时钟表
<P>原因：看到网友发了个钟表程序,只能从12:00开始计时,现作了点修改。</P><P>结果：可以随着系统时间来运行,看起来象真的表一样.</P>
<P>不足：死循环，退出时比较麻烦。</P>
<P>改进：希望各位提出改进措施。</P> 楼主的函数名和cad自己的命令重复了。呵呵 <P>;我写的时钟程序</P>
<P>;同样的问题，死循环，只能"ESC"强行退出,退出后osmode值为0</P>
<P>;请高手指点一下如何处理</P>
<P>;我试过自己定义出错程序,但是无效.退出循环属于中断不是出错!!!</P>
<P>(defun c:clock()<BR> (setvar "cmdecho" 0)<BR> (setq os (getvar "osmode"))<BR> (setvar "osmode" 0)<BR> (setq cen (getpoint "\n中心点:"))<BR> (setq rr (* (getdist cen "\n半径:") 2))<BR> (lsp_22a)<BR> (lsp_22b)<BR> (lsp_22c) <BR> (setvar "osmode" os)<BR>)</P>
<P>(defun lsp_22a()<BR> (setvar "cecolor" "131")<BR> (command "donut" 0 (/ (* rr 43) 40) cen "") <BR> (setq pp_12 (polar cen (/ pi 2) (/ rr 2)))<BR> (setq pp_3 (polar cen 0 (/ rr 2)))<BR> (setq pp_6 (polar cen (* pi 1.5) (/ rr 2)))<BR> (setq pp_9 (polar cen pi (/ rr 2)))<BR> (setvar "cecolor" "2")<BR> (command "donut" 0 (/ rr 48) pp_12 "")<BR> (command "array" (entlast) "" "p" cen 60 360 "")<BR> (setvar "cecolor" "1")<BR> (command "donut" 0 (/ rr 24) pp_12 "")<BR> (command "array" (entlast) "" "p" cen 12 360 "")<BR> (setvar "cecolor" "7")<BR> (setq t1 (polar cen (/ pi -2) (* (/ rr 100) 4)))<BR> (setq t2 (polar cen (/ pi 2) (* (/ rr 20) 7)))<BR> (command "pline" t1 "W" 0 (/ rr 36) cen "w" (/ rr 36) 0 t2 "")<BR> (setq en3 (entlast))<BR> (setvar "cecolor" "3")<BR> (setq d1 (polar cen (/ pi -2) (* (/ rr 100) 6)))<BR> (setq d2 (polar cen (/ pi 2) (* (/ rr 20) 8)))<BR> (command "pline" d1 "W" 0 (/ rr 40) cen "w" (/ rr 40) 0 d2 "")<BR> (setq en1 (entlast))<BR> (setvar "cecolor" "5")<BR> (setq m1 (polar cen (/ pi -2) (* (/ rr 100) 7))) <BR> (setq m2 (polar cen (/ pi 2) (* (/ rr 20) 8.8)))<BR> (setq m3 (polar cen (/ pi -2) (* (/ rr 100) 1))) <BR> (command "pline" m1 "w" 0 0 m3 "a" "ce" cen "a" 180 "a" 180 "ce" cen "l" m2 "")<BR> (setq en2 (entlast))<BR> (setvar "cecolor" "bylayer")<BR> (setq ti (rtos (getvar "cdate") 2 6))<BR> (setq tt (substr ti 10 2))<BR> (setq dd (substr ti 12 2))<BR> (setq mm (substr ti 14 2))<BR> (command "rotate" en3 "" cen (* (atoi tt) -30))<BR> (command "rotate" en3 "" cen (* (atoi dd) -0.5)) <BR> (command "rotate" en1 "" cen (* (atoi dd) -6))<BR> (command "rotate" en2 "" cen (* (atoi mm) -6))<BR>)</P>
<P>(defun lsp_22b()<BR> (setq txt_1 (polar cen (/ pi -2) (/ rr 4))) <BR> (setq data (substr ti 1 8))<BR> (setvar "cecolor" "6")<BR> (command "text" "m" txt_1 (/ rr 24) 0 data) <BR>)</P>
<P>(defun lsp_22c()<BR> (setq n 1)<BR> (while (= n 1)<BR> (setq ti1 (rtos (getvar "cdate") 2 6))<BR> (setq tt1 (substr ti1 10 2))<BR> (setq dd1 (substr ti1 12 2))<BR> (setq mm1 (substr ti1 14 2))<BR> (if (/= dd1 dd) <BR> (progn<BR> (setq dd dd1) <BR> (command "rotate" en3 "" cen -0.1)<BR> ) <BR> )<BR> (if (/= mm1 mm) <BR> (progn<BR> (setq mm mm1) <BR> (command "rotate" en1 "" cen -0.1)<BR> (command "rotate" en2 "" cen -6)<BR> ) <BR> ) <BR> )<BR>)</P>
<P>(princ "\n\n…………〉〉时钟〈〈…………")<BR>(prin1)</P>
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