|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句$ R7 C( Q# |% Y/ ~; f8 T" \) k
if <condition> then
, _! ?; B: ^; Z) w5 q <statement sequence1>;8 q9 k: z" p! U. x+ L
elseif <condition> then
: n2 N! B5 |6 S3 |2 M) @ <statement sequence2>;# O, r% M8 S3 h0 [( A
else
8 G& ]# A' p3 G# M S( O <statement sequence3>;( T- b7 v8 P+ \5 ?# T% b) S% B
end;
1 H6 D6 z) h9 l. y& s0 B如果分支比较多，用：
. ^3 Y' [4 J. P6 ]9 @1 W inspect <expression>; F3 Y& L. z, y; l4 j% O0 S# ]0 M
when <constant_list> then
9 x9 Q2 K( h6 ~ Y& X6 D+ ]' g7 c <statement sequence1>;
( j& ^/ w1 i$ z) V n" N when <constant_list> then
# v$ i8 |& r% _6 G$ h <statement sequence2>;
6 a& F* J# F2 w6 ^ ...
5 y( }; u' ~7 C else
) P0 t7 s7 R. y2 W$ _ <statement sequence3>;
4 I8 k: S: t- s% Send;3 e2 S- \* _2 ~9 [6 f
, P6 }/ P, m" Q; {0 I2循环语句
2 t5 Z" e5 J( G. y% o ` (1) from <statement sequence1>
3 E, t, {; ~5 B6 i! Q% r+ r until <condition> loop
- T: V! ?0 W) _! ? <statement sequence2>;
$ M" l* |2 u$ G/ u. h/ G4 ?6 B end;$ A% y+ X* H8 Z
(2) while <condition> loop+ W7 V) [( Y, s' e6 C
<statement sequence1>;1 k" E# y8 f) C4 N9 L k4 R
end;
4 p3 }. B: o# [6 T$ ~- u (3) repeat 4 t: ~. c/ N& t4 ^ c
<statement sequence1>;$ M' P" U& g4 S5 s7 |/ q$ J8 D
until <condition>;
0 e( j: o" n: @0 M+ _2 k9 g+ K1 ?2 x4 R3 e (4) for <condition> to <condition> loop$ v( F6 v8 ?, ?; A2 Q2 l2 j
<statement sequence1>;1 r9 Q. I2 y! T2 W
next;1 M% E) E; t5 p2 A; S# C5 e
3中断语句
( ~9 \' y& D" }0 s3 } waituntil <condition> prio <integer expression>;# m* @% n2 \ Z# C9 k" r
+ Z. V( \% {/ `7 F2 }
! @- b. }. k1 Q y+ ~以上为常用的函数！; s& n0 x- S6 p( U, B
还有很多，如有需要我把资料发到你邮箱里
5 }* W3 @/ i# g; c) v5 `7 ^
) M" m. \3 a& y, Y: _
& |6 n6 u o7 N8 T0 n6 b2 n' R
5 _( g7 b% n! T7 Y3 O/ \
* x, y3 ]7 k/ y# p- O" _, T6 W* p+ h9 o8 b* m( |' J
7 {/ \( A& D' I. U9 L- Z/ Q
% o- g8 v& [- y( K; Z# l
. P2 Z1 ]1 G) z
* ]" h. {$ s1 U% \# o9 z
0 T; Z5 F- ?2 k9 x1 U# w |
|
[复制链接]
