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发表于 2012-11-13 08:48:12
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1判断语句: h/ J$ Z' a" L5 @' ^
if <condition> then
, _3 N' q& M+ s; K* U <statement sequence1>;, ~: [' o1 {3 J* O7 e. ^% {4 K' x
elseif <condition> then" B1 g4 d2 k O0 H5 w# s8 h
<statement sequence2>;" A; t- Z( L N8 I
else 6 x! x6 F6 G0 ~
<statement sequence3>;) Q+ B. F3 j) v! A* `# b8 Q$ U/ c
end;
+ \- F2 R P) |% O) ^' r如果分支比较多，用：
- u S* q" [5 E6 C5 n+ o; _, u* W inspect <expression>
8 l4 b$ | _3 T% Q; ^2 u, t( h when <constant_list> then
- u9 f+ c, M6 w4 R% R <statement sequence1>;
2 q. @8 p* d2 `6 _( R when <constant_list> then
1 A; n3 q% j4 G# }) J4 d# \ <statement sequence2>;
/ Q+ w" r* W+ e9 G+ L7 n+ x+ W ...- y, D7 Q/ y" G$ g2 J; }3 A# ~
else
" @/ E0 B* L5 n. B9 n! u <statement sequence3>;
7 {: S1 e P. k+ Tend;8 a% B$ E& [% g) ~1 o
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2循环语句
! H; `6 U$ ^& V( J, h# c; R& S3 {4 ^ (1) from <statement sequence1>
5 K& `# ^4 [9 e& h until <condition> loop! g% }8 ]: k4 s* i a& K" A
<statement sequence2>;
" P# b6 G9 u& J7 c6 t) {: r end;8 h4 _4 V8 i! |1 V
(2) while <condition> loop
. Q; E9 u1 u7 b; V& D <statement sequence1>;) l2 L9 f- {- x0 J; H
end;3 K' M$ m5 k* V+ J7 d
(3) repeat 6 x5 I E1 M. C1 K, D% [. _
<statement sequence1>;6 ?( g2 c1 ^' h% V+ ?+ N; _* c
until <condition>;) x$ R- l3 a: W- O. c3 R5 p" B
(4) for <condition> to <condition> loop
6 ~8 A# o: A( u f5 A3 D0 Q7 c3 G <statement sequence1>;1 }, A# @- P- x' }
next;
% S4 h: t, {7 u8 r3中断语句1 c6 ~7 m$ H2 A& u. M
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
+ m1 W6 I0 ~5 S1 o还有很多，如有需要我把资料发到你邮箱里 : |9 x! J6 A7 @" s
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