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发表于 2012-11-13 08:48:12
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1判断语句/ ~* s+ _% g+ f4 [) V, D; @, N
if <condition> then0 T9 d+ @+ E# s0 \ Y- p. A; ^
<statement sequence1>;) h- d5 z& ]# [' o% E! P
elseif <condition> then
: ^, E4 G3 { x- _, f l4 m <statement sequence2>;
" A2 ]3 e \1 o7 [9 a3 I. r else 0 T2 {+ V' I r9 g
<statement sequence3>;- q9 T0 M% U H' z1 W& F
end;
$ N0 F( }% L( j' @5 E如果分支比较多，用：( Y5 N8 \$ Q% H8 q6 y# {
inspect <expression>
$ N" I* m: n$ ^ when <constant_list> then$ S. F! U4 v, W3 ?$ B4 b9 S
<statement sequence1>;
) g+ d0 A: z- @# l when <constant_list> then
3 q" f0 @7 D1 | <statement sequence2>;7 C& J" n/ t) } Q' b: p; U
...
# X* A* n. C% T else
" Z" x x2 u" i <statement sequence3>;) o/ Q4 \4 p, u$ O8 o8 F1 |
end;
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2循环语句
! [! B/ `& }% Q' M; q0 v (1) from <statement sequence1>
$ @% J/ Y1 I$ i8 a" S, o- i until <condition> loop
6 X' S1 `/ P8 L6 f( N5 R <statement sequence2>;
) y) R a; C2 R6 G# O9 J end;
& D' ]# {6 w6 t! D" A) s$ y& m (2) while <condition> loop4 I! u2 e" R% Q2 I2 P8 K) ]
<statement sequence1>;
- j _/ t) e* w" n7 b end;) d$ k. ^' r) p2 k( ^
(3) repeat
7 b. P7 I* {/ J% F6 g <statement sequence1>;5 d H& U2 a1 ~
until <condition>;
0 M# K' B/ v K2 m (4) for <condition> to <condition> loop
( O; k( P l% n& g$ T <statement sequence1>;* P$ d8 ~6 x2 k ~7 u( ~3 l& [( W
next;
+ ?! v8 P& Z3 j9 ^ U' K9 ]3中断语句' n: j+ \& p, v: S7 }
waituntil <condition> prio <integer expression>;
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以上为常用的函数！: J. @$ O3 ?6 b- B# F
还有很多，如有需要我把资料发到你邮箱里 ' R ~' Z9 X" D
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