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发表于 2012-11-13 08:48:12
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1判断语句
3 O0 c' S1 l6 i1 h' G( _2 \ if <condition> then
' ^: B5 l# ]6 |" S <statement sequence1>;* s+ C: H/ g/ m6 T3 u( P
elseif <condition> then
) {9 o9 K) X8 Y <statement sequence2>;$ e* b0 V2 N+ E! \ s
else 6 M- x2 ]) j; Q, z' i) c' F0 P
<statement sequence3>;2 e. d8 F; a" p: N7 X+ w. ?) s# s
end;+ e# }- t* M) F( G- E
如果分支比较多，用：
5 s: B* W( @( n/ z inspect <expression>
' b' y3 ?* i+ @7 D8 F, n: }4 F when <constant_list> then
$ V. B+ Q7 x1 L' ?; | <statement sequence1>;4 u8 x3 o* l# E$ U& M1 y0 \! f
when <constant_list> then8 y2 e( U; r* @! X% W* g2 p
<statement sequence2>;
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else8 o6 F' S$ W9 T( G# q0 _. b
<statement sequence3>;, @% C: R( {6 W: E# |
end;
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2循环语句% X$ g' ~ g+ h: J+ m2 n
(1) from <statement sequence1>* n0 l/ ]* r- O$ m5 K9 u
until <condition> loop6 U& r4 t K; e' ?& T, b$ M, R% W
<statement sequence2>;
7 x+ D, D# s+ D, U& c9 \# h. I end;
* I& ~ X; o6 b% n* T: _ (2) while <condition> loop5 U: w9 b6 O0 e7 H; f
<statement sequence1>;8 {5 Y/ `2 s$ p
end;
p- d* `- N' Y$ r2 O5 k2 k7 W: Q (3) repeat
5 q: o6 A2 t" q <statement sequence1>;
1 K# f' X E( O until <condition>;
! r# i# ~6 r) T9 J3 J! | O0 B (4) for <condition> to <condition> loop
& J$ \6 T. F, ^3 E <statement sequence1>;' w `8 I5 x; z7 l) ^
next;
! G$ i3 d* ^; L; |% |+ O v7 |3中断语句
$ ^, W- d5 u2 L" [, g2 w waituntil <condition> prio <integer expression>;& F# z+ F5 [, r
9 i ?: _4 F& X1 O
7 T1 B1 b4 U' ]# ~以上为常用的函数！3 d6 q3 I1 P- y" U* w% ~, j
还有很多，如有需要我把资料发到你邮箱里
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