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发表于 2012-11-13 08:48:12
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1判断语句4 m, o, |6 J$ Y8 V$ c" h: I
if <condition> then: j4 m) S- B3 Y
<statement sequence1>;% y) g: z' k6 P2 W! O! u
elseif <condition> then
- h, G, ?" F& ] <statement sequence2>;
& b; S4 p% p0 |+ ~% M1 G0 J9 \5 Y( n else
+ V8 p. R' A/ P$ F. w+ F- x2 F6 ] <statement sequence3>;
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如果分支比较多，用：
0 F5 q! x( b J7 e2 g inspect <expression>
2 s- o8 v" J N7 z5 [; C( q when <constant_list> then4 I* N- `, t: `/ h J6 }: h
<statement sequence1>;+ A* @! B. t4 o
when <constant_list> then3 l& j% q5 @& \
<statement sequence2>;. J; b/ i& `; I" Z
...
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/ [+ K8 a6 r( x: O' X c0 b* j <statement sequence3>;: D8 h5 C1 b! \/ p
end;
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2循环语句* E" R, _+ k- S8 {2 P( G
(1) from <statement sequence1>+ z% D* m* _6 m9 _1 w$ ^3 x
until <condition> loop
7 e3 p9 i4 U: q7 t' G9 `: _5 H8 O <statement sequence2>;" d# H5 J5 W M) v# `
end;; O% [& G. B+ E- t1 c9 B6 I
(2) while <condition> loop
, [) c: J" `+ r5 s9 f) A7 h \ <statement sequence1>;
/ I0 I8 w$ I8 b4 J, @ end;
2 w' v, V* K! D! y (3) repeat
/ H I. I! W2 e2 T <statement sequence1>;
$ l, D9 A; X0 c# r$ G* f until <condition>;2 I- c# H- v X
(4) for <condition> to <condition> loop1 B$ N8 V( G8 ^
<statement sequence1>;9 h4 C8 A0 c/ ` d
next;
' w0 p1 X# j7 B3中断语句/ l$ \, J: o, L, T+ ?
waituntil <condition> prio <integer expression>;
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以上为常用的函数！0 C L( r* ?& v$ J7 [9 i& K
还有很多，如有需要我把资料发到你邮箱里
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