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发表于 2012-11-13 08:48:12
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1判断语句# n! |5 C+ s- \6 B
if <condition> then& C2 ?2 G. P v6 t) b( i) s& V7 c
<statement sequence1>;& W, Q {; N4 y
elseif <condition> then0 g3 o, P- f' g" {# K0 T
<statement sequence2>;
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<statement sequence3>;
) w$ V, i2 z% u8 t* x end;
q/ g- [& S$ k4 Q9 ?/ s& m7 z5 z如果分支比较多，用：
$ c5 d; M5 r! i! {) Y- w5 { inspect <expression>
: N( I, e% ^; T! I" Q when <constant_list> then
9 \/ H, G7 Q' ^ s* Q" x! T+ g <statement sequence1>;9 e5 A5 o0 w+ X' Z2 M
when <constant_list> then
0 I* u0 O. z8 H1 T$ d; Z" \! {& { <statement sequence2>;
0 O3 M4 G# \1 M P$ y- H# Z ...
3 a j, E0 u3 ]% ^: S! T else
' b' w1 N# N; r; h. I( Q1 ?, ] <statement sequence3>;8 u/ O z7 K- |
end;
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2循环语句7 H$ C! j$ G! x+ T+ g1 s* `) h6 S& i
(1) from <statement sequence1>
* T9 B: X- k# \5 l( A9 R& d/ Z until <condition> loop
! O; R% i8 n( m <statement sequence2>;
7 Z. A) F) s" a# ^ h) Z/ J# L$ m end;
( p( z7 ~0 Z' E5 G' ] (2) while <condition> loop
1 {5 A3 [8 \+ H <statement sequence1>;
1 H$ a3 r7 T, ?7 F5 D end;) G5 D& M7 v2 N( B
(3) repeat ! Y1 J' U& o; K, k: Q
<statement sequence1>;
. |+ i1 C2 t, E: h until <condition>;/ J' _8 \8 l8 R: s
(4) for <condition> to <condition> loop
% r9 L, F( w6 V# F' b <statement sequence1>;
2 U/ P5 ~6 [" _& w0 T( u' w& K next;; v7 _* i2 g* I8 A/ S! j* T9 N
3中断语句+ j3 g; |" l' r z+ v% ]; @ e
waituntil <condition> prio <integer expression>;. o; f1 s- B3 W! E
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以上为常用的函数！
4 C( x' l q: J还有很多，如有需要我把资料发到你邮箱里 # T( [2 ]$ ]$ Z) ^3 A( g/ \
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