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发表于 2012-11-13 08:48:12
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1判断语句8 h! u; d; e& K1 W! w; u' ?
if <condition> then, K$ B# z& n6 y. M0 N9 {/ N
<statement sequence1>;) j. ?- _/ a3 E0 F# B
elseif <condition> then
: ?4 G. ?' p" q; }7 j" J <statement sequence2>;
% n d' T: m) Z# E; s else
3 b' Z% x1 ~$ h" |6 W/ t <statement sequence3>;# G4 L. R7 j" Y5 y) j
end;
& O( g! {! T2 \) Q! B$ F如果分支比较多，用：3 B6 g9 N O L {! f- L
inspect <expression>; v: i Z* T2 |8 S/ ?
when <constant_list> then, w1 n" c" g4 D% O$ t
<statement sequence1>;: t. Q$ V/ \% O j( ?1 U
when <constant_list> then1 x e% f p! n5 i' U8 C
<statement sequence2>;
) S' W- k7 ^: F4 ?+ c' j ...
9 R* Q+ n; s5 E- ?" ^. W( r else
5 [7 L3 o6 v+ ], C# h <statement sequence3>;
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6 ~9 ?, n& J3 z! l2 Y; f2循环语句
2 S4 F/ t. T( p# ?$ r& }& p (1) from <statement sequence1># {- }& @ F7 f/ o1 h( W/ t' _! `
until <condition> loop
% Y6 m. J( u6 `4 ~ <statement sequence2>;# z2 {* w _9 y7 o5 Z0 q
end;- J( S1 P b# Y" q9 V2 K7 A8 Z
(2) while <condition> loop5 t7 ^8 x0 W- G7 b0 X- g6 y/ X' N9 `
<statement sequence1>;$ g) z4 i1 V2 J
end;3 d: m) r& f/ t) {$ ^! d
(3) repeat ' c/ X) ?1 J* z- `* E2 U
<statement sequence1>;5 z/ V. d2 `! W' H5 B+ X
until <condition>;
3 j5 v+ f/ e4 i W) j+ F. f (4) for <condition> to <condition> loop* H9 Z3 ^- P& Q% E9 X
<statement sequence1>;1 H7 f) z2 U7 ^+ A
next;0 C: h( u; x; o5 V5 w
3中断语句' R- ?, \: L0 o* U
waituntil <condition> prio <integer expression>;' R4 H3 ~/ k6 ]$ [) ?6 H m( k
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& W; Y) ~7 U1 n! x0 b以上为常用的函数！" Z" V: Q2 @- M; e f
还有很多，如有需要我把资料发到你邮箱里
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