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发表于 2012-11-13 08:48:12
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1判断语句' ^8 @, ]" H0 w9 ^( i( H
if <condition> then$ w' B4 ^" i' I5 k
<statement sequence1>;
' B7 y, `% ~+ C. a8 ?6 H X2 D$ h elseif <condition> then
. F( P' T1 F y) j <statement sequence2>;* g! x1 I8 m$ n: @; z
else 2 T, W' f+ X( o2 e. [
<statement sequence3>;
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如果分支比较多，用：
) @3 z+ p4 p/ T4 X1 Q inspect <expression>
% ~- q% Y3 H! x5 a when <constant_list> then
; ?5 A4 e3 o: @+ Q; G <statement sequence1>;
' F. r" R$ Z+ K$ G& Z% s1 z2 { when <constant_list> then3 S7 O2 T2 a- Z5 G. t
<statement sequence2>;' {+ i' c" Q$ C
...( c" x/ b8 w% J0 y" I& _; Q6 e
else1 K( P. V2 G4 {) a* S+ v
<statement sequence3>; C# Y7 A& V+ U
end;
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, n3 y% V5 i& y, q5 B, P% d; p2 y }2循环语句
: g- ]* d, z3 s! y6 s. z (1) from <statement sequence1>
% w _4 X3 @# I- K A9 {/ P until <condition> loop
1 p6 `4 J6 \7 h/ _9 r <statement sequence2>;
% L9 @3 _5 w! o* l' S, [' k% f end;
, E# \' w1 N2 i7 g: ^3 I r (2) while <condition> loop9 L( ?& i6 p; ^, A, D# j
<statement sequence1>;7 p2 F7 W. d1 `0 H
end;
5 s' s2 x6 x; f9 O1 \( a7 C. L (3) repeat $ B: n% T& ~4 u9 s" M* P8 y6 e# L
<statement sequence1>;1 Z/ z! Z- e) I% C5 `) X
until <condition>;# f" V; c' S6 N5 o# j# S: ?+ `
(4) for <condition> to <condition> loop
+ b7 m, z0 V' ~; P <statement sequence1>;
: @ _, P) o1 [+ |# f. \+ Y2 ~ next;
, w% }9 M8 ~, q6 D) @5 N3中断语句% S! G( b0 m" ?6 i: {
waituntil <condition> prio <integer expression>;
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, X! C! c# n1 V, G以上为常用的函数！
" @/ q4 e9 O) q; u% |: m$ {还有很多，如有需要我把资料发到你邮箱里
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