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发表于 2012-11-13 08:48:12
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1判断语句8 l6 ?. ]+ g( w' G2 F3 B
if <condition> then
: R3 W7 ~! _( R+ H: { <statement sequence1>;
/ l6 e4 B4 a( A+ } elseif <condition> then9 b# e8 V" N' N0 m2 R" l
<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
/ {: m. E0 H$ i& l) r5 k7 D* j inspect <expression>% }3 l8 M. m# x+ b8 D3 a
when <constant_list> then
* ]2 I% T! }: t# l; s <statement sequence1>;
8 `' Q4 V3 v4 `1 w when <constant_list> then( M! C. X. O4 x$ b* f
<statement sequence2>;
+ o1 f2 A+ U3 V; S7 k; i+ _ ...
. [& E- C( g- X" N$ J, T! p else
+ E% v7 [* C* i0 d <statement sequence3>;7 ?+ t' N) W$ {' h+ b8 Y. g/ f1 A* a1 m
end;
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2循环语句
6 `9 t) |& L& y5 Y5 {% p: q (1) from <statement sequence1>3 \* ?8 k, Q, ^
until <condition> loop U5 x6 i, A7 S
<statement sequence2>;$ O; b+ {/ [6 }
end; U) m! f) C. j1 V- A, ^8 v
(2) while <condition> loop
8 \8 Y' ^- A+ q4 b, ` k! T% u) h6 a <statement sequence1>;) f2 b* E5 ^: U' S O, z
end;$ E" J; d2 z4 @! a1 V ^9 B
(3) repeat 5 m1 ]% o. w0 l) k- G5 J
<statement sequence1>;
9 X2 n1 X- V5 x5 f# F" A until <condition>;
x. ~) w x+ ?! a9 e. y+ d- n (4) for <condition> to <condition> loop4 z* B( L* Y: i7 h2 E8 F; q
<statement sequence1>;2 x1 w" d$ l4 n' ?+ G/ W
next;( |6 z* v( O H7 }2 w6 b% l6 v
3中断语句7 `4 \5 |3 g6 B' _! P
waituntil <condition> prio <integer expression>;5 o0 ~; F7 v9 A' n3 e
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# x7 y% v4 C$ ?. I7 _以上为常用的函数！ E0 n" f4 }- \) _- Q( i
还有很多，如有需要我把资料发到你邮箱里
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