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发表于 2012-11-13 08:48:12
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1判断语句
- A( }! V* c, ?9 F* H1 y( Z* f if <condition> then
7 M- Q4 G" |- {" }" j! T9 I <statement sequence1>;
) o! t0 m% z# A6 K elseif <condition> then
, M V8 L2 y$ j3 g! ~3 x <statement sequence2>;
% N% D+ K& b% g" b+ Z, p9 E else
2 p9 u! q7 p- g4 E5 q' p <statement sequence3>;
* v) E/ G# S$ d ?- T# e8 s' y end;
! M+ O% k7 q' M' A9 o' O如果分支比较多，用：" }7 k7 f @& J4 y/ x
inspect <expression>
- r$ s2 t" `% b; |" W when <constant_list> then
, ?+ N: t4 m4 v7 u) j <statement sequence1>;
& Y1 R* P$ K0 j7 W when <constant_list> then
8 v: O- C6 M/ M0 R <statement sequence2>;- l6 ^. y5 v) B" \* l; j
...
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<statement sequence3>;3 T. q+ a) _ A
end;
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2循环语句
# a1 D o% R* E/ R, ` (1) from <statement sequence1>- I5 Y/ j4 I I& j' [, L; Q) g
until <condition> loop6 x. r; \' p# G, H8 w1 L; x& ], ~
<statement sequence2>;
; B$ ^* N; ?- y end;
1 L8 A0 u# _4 H (2) while <condition> loop
- m! P8 k3 Z* V( E6 L4 q) l" B* A <statement sequence1>;( d+ P `8 v/ I. z/ C4 o0 _$ k
end;( i0 e; n( R, Z' f' `
(3) repeat
6 C. ]" J% `4 p# Y: b) I <statement sequence1>; M' a h+ v4 e- E* Q* p4 u
until <condition>;3 s! e1 t2 H; ^0 ]7 x$ N9 G
(4) for <condition> to <condition> loop3 Q# e6 R* r* u& N( Y
<statement sequence1>;/ ^# D! e; _6 ~: y2 {
next;, I5 Y0 `* T$ q7 \
3中断语句
6 r) x3 E" W, F* x9 A waituntil <condition> prio <integer expression>;9 R8 G* ]3 B8 ~* T
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以上为常用的函数！+ G& B4 y/ t. ]+ N, F+ t' h
还有很多，如有需要我把资料发到你邮箱里 1 o7 i" e1 ^4 t- \: L' J% ~
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