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发表于 2012-11-13 08:48:12
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1判断语句
* L3 D# [# h: Z; R: O! t if <condition> then3 ^+ ^; h. a" d
<statement sequence1>;! P% l1 i' P2 L5 v) ]
elseif <condition> then
1 O; Q- v9 e* ^# O) p2 W# F <statement sequence2>;
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<statement sequence3>;1 } E6 N; }/ l9 L& G# d) G# H
end;/ g$ y: @0 S/ H" J* O
如果分支比较多，用：
$ x- o% p* @' I) l- H0 A' r/ t inspect <expression>
7 f& A& ?" a" \+ |4 _. V when <constant_list> then" r6 n# ]# g0 F, K* ?- z
<statement sequence1>;, P( W( m& I" o3 ?4 c
when <constant_list> then
. X# b( a0 d9 b- z7 a <statement sequence2>;4 i/ f' d3 l, d' z9 r
...
+ D2 Q! O4 H/ J5 j, T else
/ I# c, o/ K# T! J5 O$ t8 V" { <statement sequence3>;5 b3 G I4 G- ~. W& \6 u8 ~( ^
end;
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: A( t4 o' x9 z9 v& m' _5 t2循环语句" M: c% S; j7 s% \& B/ @0 ]3 q
(1) from <statement sequence1>
) M% j: V% N. q7 c' M until <condition> loop+ P2 t' G6 w8 b& P( t+ B2 u* s. C
<statement sequence2>;8 a6 n4 B: B3 g. |% @& m2 o
end;
% \% K. u4 C4 |; U# Y5 q (2) while <condition> loop0 ?& ~% b4 p& }- e# m! g; |6 ?2 B& o4 W
<statement sequence1>;
^1 T: V- @9 G+ J: I end;5 w+ k" ?' m6 c
(3) repeat
: d% k& R* j' F& Y# _ <statement sequence1>;1 X- B# X" i# ^8 ?$ C
until <condition>;. M" _. r/ S2 s
(4) for <condition> to <condition> loop6 c) }1 L0 }! K" R9 L0 O4 k, o2 U
<statement sequence1>;% p# Q+ F A3 T( O+ M* `5 E
next;- W' E* l f7 I
3中断语句7 S& _( J+ l5 z4 [
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
1 [, U5 J0 N9 W* I4 N0 R6 ]还有很多，如有需要我把资料发到你邮箱里
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