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发表于 2012-11-13 08:48:12
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1判断语句) P- D8 T4 I" [# o8 v) f
if <condition> then
2 \2 s+ [' o) i/ P2 V <statement sequence1>;% ~4 f7 {$ f6 L" e% M3 R' i
elseif <condition> then
4 y) ~( Y. } i- J4 Y <statement sequence2>;5 D) W9 }1 r- w' c# r8 `7 C
else / ]; l0 g$ K, k3 r/ ^; T' j
<statement sequence3>;
. D# N2 x Y7 m$ E4 a' ^! m end;
& }4 F: a5 I' J" l如果分支比较多，用：
% f& O% J! L* v) p8 j& O2 } inspect <expression>1 L! Y! d6 o3 R1 b& |2 b3 V
when <constant_list> then; ]( u) ^0 Y v. e, V7 V' L
<statement sequence1>;/ M& v! w8 d0 W: `
when <constant_list> then7 J' Y: l Y' E! o( @( F8 H
<statement sequence2>;
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else
; a/ Y% R D5 A <statement sequence3>;2 `& n* T9 ~" Z* D" x
end;7 L& f+ u4 @& I! i+ D# e
& O- E |! D' c2 u3 a2循环语句5 n- w5 H! G: `
(1) from <statement sequence1>
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<statement sequence2>;+ L T) F) ?6 J H# v6 l
end;
9 z0 S) u# T$ I6 {- Q% e# T (2) while <condition> loop
5 G% Z: v- T0 n* r% O4 j <statement sequence1>;
4 _# B$ \' t. J5 z4 p/ z) x5 z end;
6 S* M1 f# @9 x' q (3) repeat
; Q! u0 u0 w7 T" L9 W+ ~8 t$ r <statement sequence1>;5 x/ }# l/ ]+ V' W, K
until <condition>;
8 q# ~9 z, H( [1 B; K6 R+ j (4) for <condition> to <condition> loop3 ^' j& F0 |* G, U& O# V6 q9 K
<statement sequence1>;
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3中断语句' r3 r* }9 S) I* |4 R# E6 r
waituntil <condition> prio <integer expression>;
- G/ q" b# ], R+ J! T+ D+ ~; j. _$ L% t+ @ @- }
7 p- P6 y4 ^9 k以上为常用的函数！
+ _9 {0 J+ b7 Q, l3 b5 C% u还有很多，如有需要我把资料发到你邮箱里
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