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发表于 2012-11-13 08:48:12
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1判断语句$ \7 M" y `& j9 A3 ~
if <condition> then
, ~6 Z0 ]/ u \/ T! A, r <statement sequence1>;1 N% ^9 |- ?' W4 Z# J" E
elseif <condition> then
y5 v8 x( k+ w4 ~3 B/ W <statement sequence2>;& I& z* e* ~& a7 x+ k3 Z/ W
else
' J n' o8 M, @ c' l <statement sequence3>;: O) b5 v3 I6 w9 E+ H
end;1 W3 c0 d5 C, ^0 R1 z% y% ~
如果分支比较多，用：
4 a( _( I* ~3 `% h5 l inspect <expression>
" C6 s3 P7 ~- w2 I1 Q' n1 C. ]' ]* c8 q when <constant_list> then3 v; z* O" D3 V9 `0 K& r
<statement sequence1>;" n2 `- g$ L- e; U. E* Q, t
when <constant_list> then+ n, ^2 |3 t: T6 p. r0 S8 [
<statement sequence2>;
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else& j+ C, B" i& \' Q) V0 Z
<statement sequence3>;! d4 K8 w& `) ^. G
end;
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( D5 a# H1 m2 E7 q4 l- c8 h2循环语句
! I m7 P& \( q" p7 T (1) from <statement sequence1>
+ K* y( O' k( P0 g until <condition> loop* N; d, |7 e. g6 m9 u1 s3 V
<statement sequence2>;7 B% l* S6 B7 w, Q3 G! R9 z
end;0 ~' a; I, g+ Y `* A- s
(2) while <condition> loop* M/ ~9 Y/ f; u; c
<statement sequence1>;
$ i7 M3 ^8 V+ p7 \3 b2 X end;
/ v, J- X& w4 ?/ b+ S2 S (3) repeat # _* p/ X$ k8 ~# x
<statement sequence1>;* `$ B5 P: i4 ^, N; S
until <condition>;
7 `9 \) n- L' V9 } (4) for <condition> to <condition> loop
: U9 U0 h1 o8 ]' t& _- k <statement sequence1>;+ o$ I( W7 G. s. H" i$ I
next;- i, [4 v5 U& K3 S7 E9 _
3中断语句* ?+ ^" O5 g' _% U: q# }8 @9 a9 O
waituntil <condition> prio <integer expression>;* _( U4 U7 I- G0 j% u; k
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以上为常用的函数！, k$ o+ }: K$ c; X8 Y/ q% N* k
还有很多，如有需要我把资料发到你邮箱里 8 _3 p- p( @; \* w Z* \; P
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