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发表于 2012-11-13 08:48:12
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1判断语句
g+ L& u9 X5 r0 M4 d$ k5 ?! J if <condition> then/ _- {' z* S+ I3 A
<statement sequence1>; T! ~* A" U* x3 i7 D
elseif <condition> then
2 W1 ]! d) r- ?5 b3 k <statement sequence2>;5 d& ~ L9 w8 J+ g0 K& t! N+ j( Y$ C
else : ? A. S0 z- o" @- v
<statement sequence3>;
# b! I! S4 Y' T/ l end;
5 x9 ?: _% _2 k( b如果分支比较多，用：
p6 j! R# L; c, n. u inspect <expression>
( R6 f0 t# ~' u# [4 g3 B, j! F k when <constant_list> then7 P2 I# w$ T Y. a& u T E& K- L' |
<statement sequence1>;. O# A" R1 M; U/ R
when <constant_list> then/ O6 l, ], L# H( Y( [
<statement sequence2>;% c; {0 [5 Z& K/ @* R- ~ j
...
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<statement sequence3>; B R: x; Q3 c8 K" p5 F
end;
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2循环语句
# T8 S8 ~4 c- [* ~+ C2 J ` (1) from <statement sequence1>. Q6 M1 U% S- Q# M% X( w4 Q9 i$ `
until <condition> loop6 i1 ]3 z" T" C4 c( }4 ]/ J
<statement sequence2>;
# V, x3 b- }4 @ end;
' w( t1 Q6 P9 c- ~4 c! h- i _& J (2) while <condition> loop+ R( c% ?* c* a z: L, q- @. P9 a. L* I2 }
<statement sequence1>;
) g% D+ V$ o( w; n' T0 z end;
! B& V" o/ q( _3 A4 b; } Q! X1 ? (3) repeat
/ j/ L& c" g R# l; A, u! |# I <statement sequence1>;) m4 }! B: B9 @0 u5 ^8 s
until <condition>;; k/ s1 t9 O8 }3 b
(4) for <condition> to <condition> loop
+ f: J, P8 w- [4 q7 D/ T <statement sequence1>;
8 b4 C7 o* w- } k. ^& W next;) K: _( l$ C6 O* G% |5 k- g
3中断语句* B7 z) |, T1 ?0 _9 y
waituntil <condition> prio <integer expression>;
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以上为常用的函数！. ^# k( c( l5 P* A
还有很多，如有需要我把资料发到你邮箱里
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