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' ^! v$ X# ~- u: s& R' K
程序源代码如下：" p1 F ]9 }3 Z6 j3 q: u$ P
;;;绘制A4图框和标题栏+ i/ I) f2 K5 v% A! V m5 ^
(defun c:a4 (/ v1 v2 lj cl shl bl) ;定义命令的名字为a4$ C7 \- l% ]8 ^
;;初始化环境
- S! q# T! t7 m/ \ (setq v1 (getvar "osmode"))
4 r$ v5 ]6 d0 u7 h P+ S (setq v2 (getvar "cmdecho"))& `$ w# ^' e0 V$ {! r
(setvar "osmode" 0)
( u& P: |* x e (setvar "cmdecho" 0)
& Z: R n' `2 p4 h7 u3 s. d3 o. Q: q3 _ ;;获取初值
2 q8 `, T# O$ G- @ (setq lj (getstring "\n输入零件名称: "))' o8 }# Z# X/ m/ o' E
(setq cl (getstring "\n输入零件材料: "))
9 F" P8 o3 r3 a3 _/ J (setq shl (getint "输入零件数量: "))+ n9 E& @8 M; r1 e
(setq shl (itoa shl)) ;将整数转换为字符串
) c& b" S( B8 E" C6 P4 n (setq bl (getstring "\n输入绘图比例: ")), P3 z- U1 F4 v2 E/ r+ B |" S
;;
@ L# Q5 W* B, U" \6 N (command "style" "hz" "gbcbig" "" "" "" "" "" "") ;定义汉字样式为hz(6个默认)% B2 m# S! f, d( I6 L* Y9 r6 r
(command "layer" "m" "xixian" "") ;生成当前图层xixian) Z& [2 W6 Q& t- D! e! ~
(command "limits" "0,0" "210,297")3 v' h- Z. D3 T# w8 P6 \5 z
(command "zoom" "a")1 V! M& m0 F1 @: P
(command "line" "0,0" "210,0" "210,297" "0,297" "c") ;绘制a4图纸边界线. `3 v! Y! f8 p
(command "layer" "m" "cuxian" "lw" 0.3 "" "") ;生成当前图层cuxian0 F1 Y7 m3 f' g
(command "line" "25,5" "205,5" "205,292" "25,292" "c") ;绘制图框粗线
) F- N( p5 E4 m- F5 O: W0 r (command "line" "85,5" "85,27" "205,27" "") ;绘制标题栏框粗线# j, c3 f& G+ V' D
(command "layer" "m" "xixian" "") ;在细线层上绘制内部线条
/ C; T; {, c1 f9 R" d5 F: c. X (command "line" "85,13" "205,13" "")
$ z1 }, P) U/ b (command "line" "100,13" "100,27" "")9 V5 E2 _; r9 \. x9 N" O
(command "line" "120,13" "120,27" "")
' n S. R/ z: f$ S2 L% q7 o (command "line" "132,5" "132,27" "")
& D. r r; E E1 r (command "line" "162,5" "162,13" "")
: }% U1 o% [: N7 h X (command "line" "180,5" "180,27" "")) k, f+ q& L6 C0 u; V
(command "line" "85,20" "132,20" "")) u7 F( E" H6 j$ U3 G
(command "layer" "m" "wenzi" "") ;生成当前图层wenzi
( _. u, C! d8 O# G (command "text" "m" (list 108.5 9) 5 0 "清华大学机械厂") ;填写标题栏
7 P1 m# U, o* y3 r8 F% L (command "text" "m" (list 147 9) 5 0 (strcat "材料" cl))9 z r+ A# i' i
(command "text" "m" (list 171 9) 5 0 (strcat "数量" shl))/ [2 z# P+ j, `4 q4 q) D
(command "text" "m" (list 192.5 9) 5 0 (strcat "比例" bl))
' b+ R& o. N, m2 M. n: V+ g (command "text" "m" (list 92.2 23.5) 5 0 "制图")
7 h; @6 ]$ d' y: g+ ]* _+ E (command "text" "m" (list 92.2 16.5) 5 0 "校核")
1 `9 A& ~. {' J (command "text" "m" (list 156 20) 10 0 lj) ;零件名. S) X5 h: W0 M/ _
;;还原环境设置
. L/ p" H0 z7 N5 J( p, z6 m (setvar "osmode" v1)4 ~4 k# e0 P' V6 W& V; |: m
(setvar "cmdecho" v2)
* n2 ~, k1 G( s; K2 \3 \2 b (princ)# h' U& B4 ?8 s( u
)
* ]" P/ ^: e' }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!)! X$ c* V" h3 b M
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)
! r2 E3 ~& y; \+ S2 u( b(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。3 z2 j# s. i& j