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发表于 2012-11-13 08:48:12
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1判断语句
& V, _# Z0 \7 D# ] h if <condition> then6 M8 q9 Z7 ], J3 k
<statement sequence1>;* G& T0 x: l1 @
elseif <condition> then
k @$ J* `: g* j; S) t# i <statement sequence2>;
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<statement sequence3>;
" C W) a5 A( ? end;
: V9 _6 M: l% V6 s如果分支比较多，用：2 i* U7 v+ X4 N3 F: |5 M
inspect <expression> i$ U8 s M) g. K8 x
when <constant_list> then
: [# }0 W8 u2 N& N! C* q$ k$ R' i0 ^0 k <statement sequence1>;
4 g: L3 `, P- d2 ^. Q when <constant_list> then
3 E/ _; ~/ i: T* A <statement sequence2>;2 ?( a* X# y& @6 t* P8 o
...( [. w Z' Y# C; N: l1 J0 Y
else
$ o; ]4 p) G- @3 Q! {6 ^$ ?8 J <statement sequence3>;, v- J( O; ]* J/ A
end;; H6 j, A7 R S8 `5 Y
8 w! {- A# i0 s0 ?2循环语句+ M" [# V7 u. ^- n
(1) from <statement sequence1>
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6 o. F3 K" M# x) G4 D V3 L <statement sequence2>; m+ }' o6 Y% g$ N5 O; ^1 a+ T' K
end;6 S' b5 v+ L+ p7 N% v
(2) while <condition> loop
( g; }" { `4 S; Z% i, H <statement sequence1>;- j4 O0 `+ p6 e o5 I2 I
end;1 |, w! O. \' M+ H$ _- S9 m
(3) repeat
; v' l. i! T/ ^. u0 e4 ]. u! w' @& f <statement sequence1>;5 {6 a* f# i" E
until <condition>;' z& T- S+ R3 v# f0 O; a1 L1 u* n
(4) for <condition> to <condition> loop
7 f' x. G! D4 O$ T( ]! o6 v <statement sequence1>;
5 l% I( I: d( j next;
+ p) L7 B2 v' I3中断语句
/ f* U% R' c& i7 j K' m- V waituntil <condition> prio <integer expression>;
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以上为常用的函数！2 ~# k; o; P! p5 ]- R( Z8 V B+ q
还有很多，如有需要我把资料发到你邮箱里
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