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
+ K/ w2 O. G. ~+ T/ H程序源代码如下：
# Z/ N ]- Q n& R# d0 J- X0 q3 z" P;;;绘制A4图框和标题栏
9 R# u& g3 G/ u(defun c:a4 (/ v1 v2 lj cl shl bl) ;定义命令的名字为a4, j# O9 b3 l/ B' a R6 p2 w
;;初始化环境
6 N* W3 t* T, \2 t9 o" J (setq v1 (getvar "osmode"))
; A9 \" y5 M1 P+ c. t; Z (setq v2 (getvar "cmdecho"))5 O; m) g; M# t6 P: c8 N8 U
(setvar "osmode" 0)
0 k* B, I8 U/ Y H (setvar "cmdecho" 0)0 J+ i* F3 g7 ], v1 a% J' N
;;获取初值+ }1 d9 n" y: \2 d4 F; X! N0 C* k
(setq lj (getstring "\n输入零件名称: "))
5 e( n( @3 h3 |) R (setq cl (getstring "\n输入零件材料: ")). }" O: r. A8 t2 V" ]% W- {
(setq shl (getint "输入零件数量: "))
* x9 X2 J* j7 c (setq shl (itoa shl)) ;将整数转换为字符串
! ~/ X' L: g' z; b3 _/ ?: ?; u! x (setq bl (getstring "\n输入绘图比例: "))
4 B' r: J% Z! v* } ;;
! M3 I% K! y7 H, f4 F (command "style" "hz" "gbcbig" "" "" "" "" "" "") ;定义汉字样式为hz(6个默认)
. D$ v2 O3 u; r) B( A( X% ^ (command "layer" "m" "xixian" "") ;生成当前图层xixian+ X1 e+ C8 s/ O' l6 b7 `
(command "limits" "0,0" "210,297")
! J. r( H ~- k* q2 r (command "zoom" "a")
% k, [1 z, @7 L- B' P (command "line" "0,0" "210,0" "210,297" "0,297" "c") ;绘制a4图纸边界线
1 \! L0 o# Z; t& v (command "layer" "m" "cuxian" "lw" 0.3 "" "") ;生成当前图层cuxian8 b7 H/ L% u1 D" |3 Z4 W0 ^3 s
(command "line" "25,5" "205,5" "205,292" "25,292" "c") ;绘制图框粗线: t8 g( x6 u: {8 R: y4 {
(command "line" "85,5" "85,27" "205,27" "") ;绘制标题栏框粗线$ b4 L8 T4 l0 s! h: _
(command "layer" "m" "xixian" "") ;在细线层上绘制内部线条
8 ]* Q# P: R9 S) {( E (command "line" "85,13" "205,13" "")
) P) ^2 ]# w5 Q8 D. a: c (command "line" "100,13" "100,27" "")
. `+ z, W& s$ B2 k3 a9 ^" V+ [0 z# ~# J (command "line" "120,13" "120,27" "")
8 `3 g# g9 Y8 w (command "line" "132,5" "132,27" "")/ }3 p. Q. c# F: b- H
(command "line" "162,5" "162,13" "")! J, H1 J$ P( Q* `4 H7 K
(command "line" "180,5" "180,27" "")6 X. T/ C, ^8 h; \5 f1 |* @
(command "line" "85,20" "132,20" "")" K/ m9 \: M$ T9 p# P
(command "layer" "m" "wenzi" "") ;生成当前图层wenzi6 @) i2 y, T; R- q
(command "text" "m" (list 108.5 9) 5 0 "清华大学机械厂") ;填写标题栏
7 `6 \ N: R& ]: x' N! R (command "text" "m" (list 147 9) 5 0 (strcat "材料" cl)). F2 Q; I! X$ B9 S' W5 G
(command "text" "m" (list 171 9) 5 0 (strcat "数量" shl)): @! ]9 w: `4 h; {
(command "text" "m" (list 192.5 9) 5 0 (strcat "比例" bl)); n" {% H+ ^; y9 [' @( ]% s& [
(command "text" "m" (list 92.2 23.5) 5 0 "制图"): n8 D. S$ F9 _7 L
(command "text" "m" (list 92.2 16.5) 5 0 "校核")
: { G. j- p$ {! J0 i (command "text" "m" (list 156 20) 10 0 lj) ;零件名
: o8 z0 a* [8 e2 E4 Z' p ;;还原环境设置+ u$ P% R' P$ O4 `8 c, ^" l
(setvar "osmode" v1)' T2 H: ^/ l7 o2 Y
(setvar "cmdecho" v2)
( o! b7 S8 u0 `/ F6 U% W& k (princ)
, K b8 C& r2 q' i2 B)
9 j; K6 j7 P b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!)! @; @( b2 I1 N# e; W% Y
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)
) z! t1 b R( r0 ]/ M5 y% 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)6 s t# w" U. s6 A
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0 N. q$ @0 g% `0 K[ 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。