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发表于 2012-11-13 08:48:12
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1判断语句! l% Q1 ?; `- _
if <condition> then
. g6 x3 G+ Q7 L9 I! h" h <statement sequence1>;
& Z: U( A8 K( x {3 W: Y elseif <condition> then
% [0 P) w9 X1 t) p5 F8 F. @; A <statement sequence2>;% d# T9 V2 x5 Y) W/ Q
else 5 n, r E/ ^, _ b4 K" ]
<statement sequence3>;
7 ^: _. G$ d. G9 _: G7 {0 h0 Q% P2 T end;
& X8 Z9 o: n! P* \# h如果分支比较多，用：! z) a0 K! h. U# T4 ~
inspect <expression># p9 t/ k/ X$ L2 {( u3 j: t7 J9 u
when <constant_list> then
: H; d0 v4 Q% `: l <statement sequence1>;* s/ y" ` h( M/ j, q0 N/ k
when <constant_list> then
- e; {5 L% `$ S# |2 Z1 C) Z; V <statement sequence2>;0 G0 [/ Y1 s) V$ i5 J& ~( |
.../ J0 b% d$ G4 N
else
) V ^5 r. W; b1 q5 R0 X; x# |$ Z <statement sequence3>;
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2循环语句! o, o5 ^ R0 _, i, ^% k- X8 X* O
(1) from <statement sequence1># J; e7 D6 l- o
until <condition> loop
$ V& d! `4 t# [' l <statement sequence2>;
& }8 d& _. w# _- Y) P9 T end;) t# `$ o8 n4 W% g! C
(2) while <condition> loop
' H/ Q" { [8 J: C <statement sequence1>;2 f, S; V$ n: q9 s# f( }1 N2 x% a
end;* h; H3 D5 k2 G+ m
(3) repeat 9 t; \" i% |- t3 ?/ {& \4 q
<statement sequence1>;/ \1 k7 E& U7 ]2 W
until <condition>;1 I4 r' S+ M' z5 P* |& j, J" |
(4) for <condition> to <condition> loop
3 P$ b( j3 ?5 }* K8 j <statement sequence1>;
9 L6 C K R# ] next;. ^8 l6 E6 w& E; w7 l: _
3中断语句$ Y8 D" T) C- }. }
waituntil <condition> prio <integer expression>;
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以上为常用的函数！# P4 M" B% `! y/ \5 T
还有很多，如有需要我把资料发到你邮箱里 0 i' Q- D5 W; \: Q/ I5 ?. a
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