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发表于 2012-11-13 08:48:12
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1判断语句1 X5 l+ ^/ |& L: S' Z8 K) m. S4 A n H
if <condition> then8 ~! \ T+ G) @" f0 q6 y
<statement sequence1>;- k0 O# | F) J0 T0 Q
elseif <condition> then
! r; Q @ a3 m" ]. _* ? X% ~ <statement sequence2>;
3 o# X e+ h" y9 V else + t- E) O z, {
<statement sequence3>;
7 s1 A, g+ D2 W+ D end;
! ~+ V" O0 }% \$ R4 W如果分支比较多，用：, ^5 Z+ `0 |' i
inspect <expression>
. ]. d+ q# S. W when <constant_list> then9 {3 P H0 ]' s0 u* S& L
<statement sequence1>;
4 I- I* n% K* a/ S. M; u# | when <constant_list> then
) P3 D* Q o9 B) Y' _6 b" O5 r <statement sequence2>;
8 l3 A1 h& O# Q% [, J3 Q0 W ...
1 W- Q D$ W$ }. W8 K2 X2 h2 [) ^ else
+ h0 h9 c/ f1 m& G( q <statement sequence3>;
8 u/ z- P5 Y" z9 y# j* v% Xend;0 u1 ?# O& E5 o
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2循环语句
1 W: l7 ?- d7 m" F* A8 } (1) from <statement sequence1>
% w+ n: | l1 ?. F2 f0 Q until <condition> loop" T4 |1 y8 K/ A. H- {
<statement sequence2>;
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(2) while <condition> loop8 J4 S2 i& O" [5 Z2 M
<statement sequence1>;/ z' A5 ?: T3 \* q
end;3 |5 y: w4 M2 f8 P
(3) repeat
" v& u: e- p2 A1 C; p7 t$ _! ` <statement sequence1>;; T2 n! u/ Y/ A4 x
until <condition>; E6 e5 y+ o4 W6 ~$ J7 u
(4) for <condition> to <condition> loop
, p5 f$ z: R" B6 r" ? n <statement sequence1>;
+ L* _/ ~' v4 B+ ^ next;: Z6 w3 _2 l6 g+ q3 K. \: E3 c
3中断语句2 ?- a& W1 @5 o, @; D! ^ H
waituntil <condition> prio <integer expression>;+ U- P1 Z7 @9 ?! O* R
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/ S* Z Z* y, B! `( d以上为常用的函数！$ I4 B* \* E- G& Z
还有很多，如有需要我把资料发到你邮箱里 ! `' h: N! O3 _
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