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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
3 F* [. |+ f2 H- a+ p if <condition> then
4 j& ~ B. ?# B: Z+ t/ a# c: t+ E+ M <statement sequence1>;$ ?- U" S% q1 m
elseif <condition> then1 y' C2 S! P( P. a" U
<statement sequence2>;9 }" D( ~0 `& M) n0 e# @1 `
else ' b `1 [: Y1 V3 U$ V
<statement sequence3>;5 X8 h2 P/ q8 H
end;! h* }2 q J$ k$ s+ l/ I6 ]
如果分支比较多，用：( U+ p- `7 y# p& U. m6 w
inspect <expression>: X5 ^1 R) z. U5 d a0 E
when <constant_list> then
/ l' j5 s% L: o- Q+ M+ v <statement sequence1>;0 T' T$ ]& `- K& e
when <constant_list> then/ [% F* F, w$ |( j1 ?1 Q' H; U6 |
<statement sequence2>; ?. G2 i% X+ e2 d5 D0 h! o4 N; L( j
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else
/ {9 l) \# _1 Z$ U, D <statement sequence3>;5 b+ p" C5 G q* j( F4 E8 s
end;
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2循环语句
; K3 t2 f! ~' O9 V (1) from <statement sequence1>
" x% r' j( ?: U! W Y) [/ D until <condition> loop
: }/ Z1 w Z+ ~+ O1 B: t <statement sequence2>;
. J) M8 w5 j' `) x* K8 S end;: a) G( U4 s) w: P: E
(2) while <condition> loop
1 ~* N* Z. ]: n0 i9 ? <statement sequence1>;, i! o9 J" t) L. q r/ q
end;- x9 \! v0 f7 c
(3) repeat 2 M) u: a1 A3 A) d4 \0 P
<statement sequence1>;: |9 q% k' m; J
until <condition>;
; W4 z( V9 a+ g; C' }* | (4) for <condition> to <condition> loop
9 L8 x. E! u/ a$ w9 r, F' i# G4 h <statement sequence1>;
8 D5 l6 T" z. q+ q; a next;3 s& }- ?5 S# C2 z$ g i
3中断语句- P' x$ k T" T0 }' t) X
waituntil <condition> prio <integer expression>;" }' q5 ]9 ~( @" I8 j8 u
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以上为常用的函数！
: \* d! l) d2 x$ O- H3 J还有很多，如有需要我把资料发到你邮箱里 3 k8 L1 R! C7 w7 F2 e& `
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