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发表于 2012-11-13 08:48:12
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1判断语句$ M; o# `; S z5 w0 G5 s4 h5 I
if <condition> then
1 O- @; u% q* t8 \( o$ u <statement sequence1>;/ V3 E! Z" z( F" u; ~* z \- p
elseif <condition> then
) X3 i2 \" ?! ?3 T <statement sequence2>;
" r3 R( B Y, B4 c else
# g4 _9 }* _' ? <statement sequence3>;3 \4 l5 B3 I' e$ o8 t
end;. q! D$ x. {5 U: I' K( z
如果分支比较多，用：1 E g3 n: M- }
inspect <expression>$ k L# z3 z7 \7 t
when <constant_list> then: u% c4 `! P5 G1 O, x3 g! [
<statement sequence1>;4 v4 M W6 e% z
when <constant_list> then. E7 g% ]) N: y. N" s7 j
<statement sequence2>;
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else/ W g% J$ d) F
<statement sequence3>;
$ ]9 ]' @6 L# R5 v# j; C/ X& ?& h& eend;
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- o! T- [: [7 [4 E2循环语句 K7 H& q: i. Y. p. p5 @1 U4 H. E
(1) from <statement sequence1>
A6 z0 L; _/ F* C+ E until <condition> loop( J/ I; F; N9 I! S% Q2 G f; n
<statement sequence2>;
) Q' }% I i; i3 S; S2 F% G% ^ end;, R/ _# y! B+ @5 v6 v f4 P
(2) while <condition> loop
" x* V. f* a7 \: G <statement sequence1>;
* L# k) }9 J6 n6 p$ h* B end;* n; u( z+ G% ^" S4 G, }1 i& R5 L
(3) repeat
2 m" q- |' N5 `6 Q) Q3 c <statement sequence1>;3 U. n0 C& x* Z4 r: W' {. _
until <condition>;; K3 R' p; T4 s- F3 _& f
(4) for <condition> to <condition> loop
. [4 b, d9 A& A <statement sequence1>;
. y9 q0 |0 Z2 n% Y5 Q4 ~) j1 N, P next;
( L, z! Y) I( E; B1 ~* [: s0 [$ T8 y4 H3中断语句
0 S6 M0 P0 m; I, G: x7 D waituntil <condition> prio <integer expression>;/ f$ j' ^. c0 ?$ w, N0 }: P
6 O0 ^+ Q1 T& t8 W7 [% t9 t
9 K' ?5 F9 y8 l3 Z6 ~以上为常用的函数！
5 ^4 [4 j6 t$ H4 j) o5 V3 v% ^还有很多，如有需要我把资料发到你邮箱里
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