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发表于 2012-11-13 08:48:12
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1判断语句
# o1 d' [4 R% H ?+ V if <condition> then$ w9 n' l5 F% l
<statement sequence1>;& N2 t- z( g# P- a6 f
elseif <condition> then
% d& a! U! |0 e% w8 Y <statement sequence2>;% t/ G4 ]7 X4 L9 e0 j
else
4 @* V* }4 x. C8 V! e8 }2 ] <statement sequence3>;- B X; {" Q% L5 d* f$ `! \, h3 C
end;4 E; s* e" w1 j3 c- x, @
如果分支比较多，用：. o# `( k0 t8 a3 G
inspect <expression>: d' B H6 p" x$ \& d2 q
when <constant_list> then5 Y8 _1 i+ P5 Z% f& E
<statement sequence1>;+ e4 [% l& q s- M- _6 C
when <constant_list> then% G4 j2 n3 O- M. u
<statement sequence2>; s k" m+ ^4 v9 X
...
+ P& B6 p) g0 v% S else
8 b: n$ b+ r4 c8 u j <statement sequence3>;
# M. l" f; I; a- P- Z, S; P; T# ~: Mend;
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* S3 V% m) {- Y2 v2循环语句
5 I0 U$ m" v) E0 P (1) from <statement sequence1>
* E) O7 A* g5 a until <condition> loop: A$ g4 q3 [# Z1 U' P
<statement sequence2>;
5 y$ r3 X: H5 U: Q end;
* X! z) z4 }+ A% Y2 g2 }6 N (2) while <condition> loop
' ~9 t- I& B. z5 P+ d7 p* s <statement sequence1>;
! L' Z; o, {( l( I+ ~) I end;
2 L7 W% C5 S* z5 e: k (3) repeat % T, ^4 x2 c5 K" y
<statement sequence1>;
8 n L) O* F* l4 ?$ q' V until <condition>;
5 b4 J& |# I, M" E6 x (4) for <condition> to <condition> loop
8 F9 E# J6 z/ p) y3 H0 q& W <statement sequence1>;% u) ^) X$ I9 Y% P7 m
next;
5 P7 T6 @5 E* g' f" J. @7 r3中断语句
, J }4 f- q+ g* i* n$ f waituntil <condition> prio <integer expression>;
4 w1 |3 o# _1 D5 [* J# h. N# j/ Z7 |) b" F1 b- P7 \" `
3 [. i8 w3 a! i$ @以上为常用的函数！1 `9 N# m8 B; J9 O7 H
还有很多，如有需要我把资料发到你邮箱里 + b2 \+ d7 A- R: q
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