这一辑做个程序绘制图框和标题栏，看了之后能充分体会到AutoLISP的工作原理
7 G3 ^2 }4 x: i. w程序源代码如下：
7 i7 @% u6 M! @+ y;;;绘制A4图框和标题栏0 b3 C# L. L' n/ j( o/ q. k
(defun c:a4 (/ v1 v2 lj cl shl bl) ;定义命令的名字为a4
' L! Z* r) U" S) b& z2 n# |$ P" P, d ;;初始化环境
7 Y) Q; _; H& \) r1 r- ?" d (setq v1 (getvar "osmode"))
3 ~0 R5 g3 A7 J0 K (setq v2 (getvar "cmdecho")): C! c" B5 L/ W2 S/ P8 X# r, s
(setvar "osmode" 0), }& x- L. w5 f% v* y, b( X
(setvar "cmdecho" 0)
) d5 Z d: b Z( o. A ;;获取初值* s3 W/ w, N" X8 c) _2 G. O9 y
(setq lj (getstring "\n输入零件名称: ")); |# y3 A8 [* z+ _! Y- _% m
(setq cl (getstring "\n输入零件材料: "))0 y* o4 m& }+ x9 j5 Q
(setq shl (getint "输入零件数量: "))+ D, J7 L, _/ W7 Q9 `. C
(setq shl (itoa shl)) ;将整数转换为字符串
' {" g) U8 ^7 ~ (setq bl (getstring "\n输入绘图比例: "))
3 M3 |" m5 ~4 P5 d! s ;;
9 D3 f7 C5 K& p9 [0 a" [ (command "style" "hz" "gbcbig" "" "" "" "" "" "") ;定义汉字样式为hz(6个默认)
7 Q3 y" t6 g7 U, C% N (command "layer" "m" "xixian" "") ;生成当前图层xixian
3 o: B' ?! D1 w7 z (command "limits" "0,0" "210,297")! E2 N- r, Q( \1 \: i \1 F
(command "zoom" "a")! a; X2 a, H6 N6 }# ~
(command "line" "0,0" "210,0" "210,297" "0,297" "c") ;绘制a4图纸边界线
1 R/ I1 _1 l8 d( i) _ (command "layer" "m" "cuxian" "lw" 0.3 "" "") ;生成当前图层cuxian8 X A& U% M- a. U2 o( u2 z
(command "line" "25,5" "205,5" "205,292" "25,292" "c") ;绘制图框粗线0 O8 u: ^8 G( \2 x# e! \( u2 b
(command "line" "85,5" "85,27" "205,27" "") ;绘制标题栏框粗线
W) {1 c9 y' f2 S% u, K (command "layer" "m" "xixian" "") ;在细线层上绘制内部线条6 X: @ m( Q+ z- F7 o( y
(command "line" "85,13" "205,13" "")0 { J% O! x0 t9 W) _; c
(command "line" "100,13" "100,27" "")5 W! K7 t& c/ Y( b$ N
(command "line" "120,13" "120,27" "")2 q( f) ^2 l' r( h6 E8 a" f X9 n
(command "line" "132,5" "132,27" "")
5 W6 k" J4 z' f' l (command "line" "162,5" "162,13" "")
! r, I) W9 l2 q: a) G% Y9 U" ~ (command "line" "180,5" "180,27" ""): J5 x/ a; H I8 N
(command "line" "85,20" "132,20" "")
$ Z j5 u: l3 ]. e, }9 n (command "layer" "m" "wenzi" "") ;生成当前图层wenzi
; q4 m3 a) u/ m/ o/ ] (command "text" "m" (list 108.5 9) 5 0 "清华大学机械厂") ;填写标题栏
- ?3 }* b) m1 q V" E (command "text" "m" (list 147 9) 5 0 (strcat "材料" cl))
- {0 Y+ g& ?5 ~3 s3 F( W (command "text" "m" (list 171 9) 5 0 (strcat "数量" shl))) ]# T! Z# o' M; j: M5 Y
(command "text" "m" (list 192.5 9) 5 0 (strcat "比例" bl))
5 V! C0 X1 |- S5 t! |% i (command "text" "m" (list 92.2 23.5) 5 0 "制图")
$ w( N( ~3 c3 ]. v% @ (command "text" "m" (list 92.2 16.5) 5 0 "校核")( E. J5 u5 n' k; K4 z$ q
(command "text" "m" (list 156 20) 10 0 lj) ;零件名& U# X" `( q: a+ X1 `: u6 p" m
;;还原环境设置
5 R* l4 D& V( ^3 \. x (setvar "osmode" v1)
7 G3 z1 R( K( o9 @: w/ D (setvar "cmdecho" v2)
; |+ x% P- l& @8 t2 J& k, b (princ)
3 L, @4 ^ O* U, f& i( T)3 w# i# ~7 ]6 p. E& E5 [- g/ Z; z% q
读完代码你会惊奇的发现，这不就是画图过程嘛：调用的command命令，一句一句的执行，一点难度都没有。lisp就是这样，很容易理解。(只要记住了第一辑讲的，呵呵!)
: V, z* J4 n6 K8 R6 m6 h看懂程序后对它稍微一改，就能做出符合自己要求的图框和标题栏，一劳永逸，岂不快哉。(注意：由于版本的变化，可能需要对程序稍作修改才能适应)* u2 K5 J4 q' E9 B/ A8 q- g$ A1 g: l* I P
(程序里有看不大明白的都可以跟贴问啊，我相信很多人都会乐意助人解惑的)
2 b/ h1 [2 u! G! f1 ?# I: ] r G3 E% N X* E* S" h: u
! Q9 h) t" Q: R% U) s4 w
0 v; U! f4 W% A1 a
( u4 T4 r3 m) C* w2 L% c
4 m. p2 i& [* f' @' f# t[ 本帖最后由 yrgui 于 2008-10-3 18:26 编辑 ] |
发表于 2008-10-3 18:24
楼主
ACAD帮助文件里就有开发人员帮助文档，也不错。还是那句话：遇到问题上论坛问，不就OK了。