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发表于 2012-11-13 08:48:12
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1判断语句
$ }9 L$ g) I* B) [5 O if <condition> then8 R+ d1 h4 X4 o; W- }- L
<statement sequence1>;
1 W; L O+ g4 b* O/ Q elseif <condition> then
, Y% K( @. _. H: _3 I: w3 @- o <statement sequence2>;( O4 X l: l5 T* ~! y
else 4 m* G* L; M0 x, T; o, C9 D
<statement sequence3>;4 |/ H; \8 A; u A
end;
# K6 L: p! r/ x% v: G q4 h6 }, b; R" O如果分支比较多，用：) } w" c! r3 C# B+ ]/ E
inspect <expression>
0 u7 g" v* h: ~* J7 W# P/ n when <constant_list> then
* E3 f ?* }/ d' F8 c s% Z0 W <statement sequence1>;
5 g" u* |. A" K when <constant_list> then! K6 I8 Z8 W, N! J4 {/ o
<statement sequence2>;! w; e' u: E' P; O9 M3 \8 l8 r( V
...
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<statement sequence3>;
& ~( X7 C9 S: _" r! v6 [6 X6 Y0 k! nend;) W; [% S6 G) c) \
+ ^$ G0 y+ _& G, [2循环语句. L2 j, x" w& ^
(1) from <statement sequence1>
5 z5 @2 d+ [# t/ y+ k" H# U until <condition> loop
) K3 l' P9 W! s <statement sequence2>;
* ~2 z& `3 ^ U3 v% u! o* \2 S/ p end;
" H6 c% Z) I; q" N (2) while <condition> loop
! p D4 p! x/ ]0 H2 k" f <statement sequence1>;
- y2 j. j. B9 ~% K ~6 J end;/ R% I; M9 h) } ~8 D0 D
(3) repeat
) v _0 k" b+ f <statement sequence1>;
- _+ K$ ~) b) P' R2 e' s+ N until <condition>;2 ?# m$ w1 I, g' T5 C" r3 M6 J* G' ^
(4) for <condition> to <condition> loop1 w% t! h5 A8 n3 Z9 c* ~3 S
<statement sequence1>;
+ `, ]) V! f* w. W2 b8 @ next;
8 G9 s- h" d- O& h; @8 K3中断语句
6 g4 i) p7 J3 y" T: p" g7 S& t4 ?8 o3 h waituntil <condition> prio <integer expression>;
# J$ f6 M- Q- C `/ G7 e# u% c0 e/ U( s4 w9 ^+ Z
/ y; K1 H3 b; C c7 v以上为常用的函数！
: M6 }- h: g) s3 n6 ?$ B& `还有很多，如有需要我把资料发到你邮箱里
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