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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句" m- R _# N* T& p8 i8 ^
if <condition> then
, [% M& t6 u" @* B9 Z <statement sequence1>;+ I( c5 J; v; E$ V( ^2 \
elseif <condition> then
; J/ j& t! _3 m. e5 P9 f, e <statement sequence2>;8 }1 X) W2 F" O! B. b
else
; z7 f+ N4 X$ r0 t! c) Y5 @1 J g <statement sequence3>;
7 b6 H& N' P. C) { E; _ end;
1 B5 G- e* }# d* a如果分支比较多，用：$ t8 L. |: I, T
inspect <expression>
. @ x: e1 e( c+ Q when <constant_list> then1 s8 i0 l! [; D! @; a2 M
<statement sequence1>;: M) Y0 S6 L* L
when <constant_list> then) b( R S* m) X7 B t
<statement sequence2>;
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<statement sequence3>;( w: E/ M' p- x( V& z
end;) g( p1 L$ n$ Q) d9 w
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2循环语句# x$ h4 U0 p" ]' m+ i# ^
(1) from <statement sequence1>' x, M+ b" l$ O) ~0 ~
until <condition> loop" A$ l" R: p1 P; K
<statement sequence2>;3 ]; U; e: w% T9 b
end;# o1 k1 @% \! R/ r+ m
(2) while <condition> loop7 h- Q- J3 {# O4 E3 k' }% P
<statement sequence1>;, m+ e/ O9 v6 s. c8 S
end;
3 l: L3 U* E; W0 p( S: o$ j! [ (3) repeat # ?$ s1 K" ~$ t
<statement sequence1>;1 p. W" W% C+ x3 U) Q% p
until <condition>;
/ _( D( ?% R0 n$ I3 b (4) for <condition> to <condition> loop0 }; Q$ Z8 ~; X7 o2 E8 h
<statement sequence1>;
1 k8 G# k# W3 o& w" I) B! I6 t/ y next;! }! o5 W5 Y# F9 ^- M( {+ Z
3中断语句
+ n# ?& T2 c+ Q( o5 y) c3 k0 p$ K waituntil <condition> prio <integer expression>;
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) E7 [6 J2 n; B/ q2 x% g以上为常用的函数！
4 d3 l: ~* H2 k8 s3 t) |还有很多，如有需要我把资料发到你邮箱里
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