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发表于 2012-11-13 08:48:12
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1判断语句
+ h0 o! I+ X8 F8 S$ L4 q' k if <condition> then2 Z8 u1 |: a+ N0 I+ Y
<statement sequence1>;
, r5 ~) g' d# l( [! L; t# C5 U elseif <condition> then
y: K. E' v% ]" i+ s <statement sequence2>;# {8 Z+ y0 O5 k% f+ h
else - N" N" W5 G7 S/ [6 g& W' c+ X
<statement sequence3>;+ x, i! x# T& {, [
end;
! t" Q/ i$ o$ Y& @/ n% V/ j H如果分支比较多，用：3 O* d8 S; l% V1 E* [3 x# e* `; I
inspect <expression>
8 W/ o' B: p! M( L when <constant_list> then
: S% B4 l0 G/ {8 v <statement sequence1>;
0 ]) m. [( i& u# p z when <constant_list> then4 q5 Y8 d4 S, [
<statement sequence2>;
A- b% J7 I$ I j; { ...
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<statement sequence3>;% A; A7 r$ M: u
end;
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2循环语句
$ G; y8 S1 l/ N" Z% Q4 V6 |6 \9 s (1) from <statement sequence1>; N" n3 _# f) l z( m5 d
until <condition> loop( S7 k0 i c0 m7 x$ d! w8 c# @
<statement sequence2>;
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(2) while <condition> loop
* S; H9 O% G3 `: ~ <statement sequence1>;
! L/ t- x: d- B end;+ C3 v% V$ M. m, ?/ e1 S1 u
(3) repeat 8 D9 h- _; q l& q# Y
<statement sequence1>;. _, r( y+ X( e6 t. p; Y" N+ y Y
until <condition>;0 h+ D9 _! e1 V# q
(4) for <condition> to <condition> loop0 U9 d/ f# u8 x/ v- D# f j" [
<statement sequence1>;
2 ^4 W b. y6 J; c% K4 `+ j next;
$ d" O7 y1 b) W' \" A3中断语句* U0 b* I3 a1 w) y; V8 @. S
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
- y O6 L6 @* k0 J0 T- |3 a还有很多，如有需要我把资料发到你邮箱里 5 k* F$ p1 ]; _/ t7 E( o$ v
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