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
6 }, J+ d* \) x+ K E2 Y9 n程序源代码如下：+ m8 e3 M! U H. T- I' M+ d2 B
;;;绘制A4图框和标题栏
9 U/ y& ?+ C9 h) O: j* f9 y(defun c:a4 (/ v1 v2 lj cl shl bl) ;定义命令的名字为a4
- h) n( n# _4 j8 t ;;初始化环境9 V( d4 W# {7 k4 Q4 g& G2 z& J; I
(setq v1 (getvar "osmode"))0 z: k- L& @' j# `' ]
(setq v2 (getvar "cmdecho"))
. z$ L9 p9 {% k& c- H- S/ ?& [ _/ }2 @ (setvar "osmode" 0)7 _% W) O; N7 ?$ V
(setvar "cmdecho" 0)% K/ ?7 F' v: \. V% ~+ R# ]
;;获取初值
1 \3 j7 `0 Y- h q4 ]8 _ (setq lj (getstring "\n输入零件名称: "))
; O- z# x s5 p% _) b1 ^8 E: p1 j (setq cl (getstring "\n输入零件材料: "))
) W2 d2 t- g( f$ V' y0 u! f (setq shl (getint "输入零件数量: "))
: U/ s# r; b& R6 `7 J- ] (setq shl (itoa shl)) ;将整数转换为字符串/ b8 d: o) g2 P* n% ~# \
(setq bl (getstring "\n输入绘图比例: "))* [6 A! x2 ]1 s% o$ p6 G# |
;;
$ o% l9 q; N* T& {* Z (command "style" "hz" "gbcbig" "" "" "" "" "" "") ;定义汉字样式为hz(6个默认)
" u* u' @9 P9 v/ p (command "layer" "m" "xixian" "") ;生成当前图层xixian, A6 A' Q# l$ B4 a4 L0 ~9 f. z4 j1 J
(command "limits" "0,0" "210,297")
% l: E- u% J& J: s$ z (command "zoom" "a")' ^6 ^8 Y4 {$ d- }3 K3 H+ }5 |# K _' N
(command "line" "0,0" "210,0" "210,297" "0,297" "c") ;绘制a4图纸边界线
1 r% M' z6 B+ G7 N8 z0 c (command "layer" "m" "cuxian" "lw" 0.3 "" "") ;生成当前图层cuxian
K, F( O% Q' F( i (command "line" "25,5" "205,5" "205,292" "25,292" "c") ;绘制图框粗线
/ b* u* y0 l9 M7 |1 e9 g, g3 b (command "line" "85,5" "85,27" "205,27" "") ;绘制标题栏框粗线& B& t; ^! W& d: W; ?# |
(command "layer" "m" "xixian" "") ;在细线层上绘制内部线条* J% X* P1 H- _. @% x
(command "line" "85,13" "205,13" "")
3 g0 F2 `- j ^3 K3 J/ B5 a0 q (command "line" "100,13" "100,27" "")
, V8 G* p1 x! o) W2 [. } Y6 D (command "line" "120,13" "120,27" "")% [9 d8 K1 B. w3 K# s% j3 r# Y% G
(command "line" "132,5" "132,27" "")% c- H- h+ O3 H+ o" k
(command "line" "162,5" "162,13" "")
% M+ A8 u. V% T9 Z8 H" u& b) w (command "line" "180,5" "180,27" "")
& d" K% y" [" y" {7 @ Y5 X0 m5 h (command "line" "85,20" "132,20" "")* ^3 `; }. ^$ n" q0 B7 Q
(command "layer" "m" "wenzi" "") ;生成当前图层wenzi. x4 O/ {# C/ V5 X, y& y
(command "text" "m" (list 108.5 9) 5 0 "清华大学机械厂") ;填写标题栏: j4 }1 }" u3 }' @; _/ G' }
(command "text" "m" (list 147 9) 5 0 (strcat "材料" cl))
* }* a7 b8 m+ L( I (command "text" "m" (list 171 9) 5 0 (strcat "数量" shl)), H8 b: \6 ~2 `8 J$ Q- k5 g1 Q
(command "text" "m" (list 192.5 9) 5 0 (strcat "比例" bl))
3 m) m4 B, Q6 g* s (command "text" "m" (list 92.2 23.5) 5 0 "制图")
- D2 D' ^' r* M$ ~. [ \; t (command "text" "m" (list 92.2 16.5) 5 0 "校核")8 R2 c' }0 {$ V2 j8 u0 D
(command "text" "m" (list 156 20) 10 0 lj) ;零件名
+ L% q' X) H# C8 \9 P2 ` ;;还原环境设置
- X a; U4 T8 c2 R& ]4 t( q, O (setvar "osmode" v1)
; |' E |& D$ b8 \( o% J (setvar "cmdecho" v2)
3 q. ? b ~0 L# v/ g# r (princ)
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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!)
: Y" Y+ |9 K G/ L% W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)
! A* e y; m* o$ N9 V) n$ u(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)
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[ 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。! m, g4 L: R: v3 V) r