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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句" U0 U5 K+ X4 y7 ?+ x& @9 P+ ]% Z
if <condition> then
3 C% m, ]( o( A% G4 t <statement sequence1>;
# u5 }" g# y& a& c# Y* j elseif <condition> then0 L# C' m, ^% k8 y
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用： M) }! F# V" ]2 f; j' X5 C
inspect <expression>8 l0 y* @' b! o/ `
when <constant_list> then8 N* j8 }+ q* P% I
<statement sequence1>;
0 x: b3 g$ Y( ?. j5 I5 ~ when <constant_list> then z' ~- u- }" c, |5 F
<statement sequence2>;
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else
: j* U& H( V* P( i <statement sequence3>;
2 @* r' m8 \8 L: o [1 ^end;
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2循环语句
* t# N$ O# ~ E8 j: Y+ L+ v (1) from <statement sequence1>) _" M/ d) |# `* V( Y; [8 d
until <condition> loop1 o0 L5 s3 S: m' s; i
<statement sequence2>;
+ s* x+ |0 ]# L! b/ s | end;, ~' h) R/ @& e& g. d2 N o
(2) while <condition> loop p9 L" `6 ^, }2 O- ~
<statement sequence1>; A. M8 ?/ \+ v
end;
% h3 N0 n c6 I- B3 X4 L# u' T (3) repeat
7 I- @( m# y1 l8 r2 I* ^ <statement sequence1>;
. _1 o1 h7 Y" {6 M until <condition>;" G8 P' }6 s% L) o
(4) for <condition> to <condition> loop0 U3 K) J6 b! b* ?" I3 Q
<statement sequence1>;# z+ |' H8 b/ K; x6 }7 U. a
next;" j: B& o/ G' m3 q
3中断语句
" ~- X+ G& H5 _9 Z# }- S! } waituntil <condition> prio <integer expression>;
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9 k- `: ~7 \, n; }4 ]以上为常用的函数！9 ]/ L2 s" M) [
还有很多，如有需要我把资料发到你邮箱里
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