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发表于 2012-11-13 08:48:12
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1判断语句
. L: s0 @( L: O+ h5 F& c if <condition> then2 }2 Q8 c2 A' G. r k6 ?8 D2 f: q5 l
<statement sequence1>;, i1 s% p* \ V, W- p
elseif <condition> then* c- c# J" Z7 J6 P' L8 b0 x
<statement sequence2>;
$ H# M: m t& L) a# q n1 Y else
- j: ^5 M6 p+ Q* [6 @+ t <statement sequence3>;
1 K$ @" k2 |4 l% a# z9 E; I end;
+ r ^4 Q. W% o. G如果分支比较多，用：# q: Q# d. R( k9 \8 \2 u' m
inspect <expression>8 {! I J! y$ F3 w. [
when <constant_list> then3 [) ^, }! O+ C3 l3 N2 x% u
<statement sequence1>;
. k" Q4 l6 G( b' x1 A* ?6 m when <constant_list> then( Q/ ^8 K6 Z* `& s7 z
<statement sequence2>;
7 i6 b! ^/ u/ }7 @6 x1 P ...
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<statement sequence3>;
5 }. S% p8 ?# d( \end;
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' t. Q' |' U( F# A; O2循环语句
, {- {2 I- h0 B. Q5 g I. n (1) from <statement sequence1>+ @% j; {8 ^8 C) A: A
until <condition> loop& O" Z7 S" i; p, u3 | A* s9 V
<statement sequence2>;
. X1 |9 N7 c7 R7 ^: Z/ N end;3 ~7 F5 |0 K [% N/ \& P; p
(2) while <condition> loop
. b; R# Y( Z: O' R/ M+ ? <statement sequence1>; _9 a, G$ f! k
end;9 d) C$ }7 v! M# c
(3) repeat
( Q. v# N. C2 F( w0 R7 Q <statement sequence1>;# d- v6 o6 J) ?& @% B0 a
until <condition>;0 ~+ ^6 R: f# f' n: H4 S5 t4 G
(4) for <condition> to <condition> loop- D. f$ _" v/ P6 }* B
<statement sequence1>;
3 q, _) j4 N; c/ U% M) q% x( m2 b next;
5 [& v/ _8 Z! I* c0 r* {7 G3中断语句: O9 U! @' ~ F5 T# q9 B! e% {5 Z
waituntil <condition> prio <integer expression>;! z* u3 A0 c( U+ D
% r) I; n. N% M4 c/ F0 \
2 k: }% M6 h$ T( e" w5 K以上为常用的函数！7 p; ?* e+ }) { F! y5 P8 v! ?
还有很多，如有需要我把资料发到你邮箱里 ) w! W7 t, M) S/ A' U6 i: _
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