|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
+ b: g% | t% i if <condition> then
0 u7 \% x# C3 S+ M4 ] <statement sequence1>;
8 Y8 Y1 x) S( O# ] n9 m! K elseif <condition> then% v6 k5 `/ z. K0 x: Q D: H" o# ~
<statement sequence2>;) t6 M; {) f; O# J- x
else ; a0 P# S! N7 @. r
<statement sequence3>;
9 q. @* p5 F. G9 g' d' \ end;; N8 ?- N/ h- @3 A& d& F( M
如果分支比较多，用：$ g* {0 s( l- Q7 m
inspect <expression>
3 Q, E# M# P7 K" C when <constant_list> then3 P0 u9 B5 [: j1 m- c! r
<statement sequence1>;
9 i& P2 u. e, W- m when <constant_list> then: ?+ y& B7 I) S8 n; k' t4 U
<statement sequence2>;: L; n# h o9 |' k' w9 p) N. n U7 Q
...
$ M* i( P2 j4 m/ ]; ~ e' F7 @& i else- B, m8 T/ N- m& a# X
<statement sequence3>;3 P7 ]* F Q3 R4 t
end;
9 t& u, o7 s- `) m8 {* Y' h2 n O. `/ d, X
2循环语句
9 ^. S& E& v+ z# a6 k, l* W (1) from <statement sequence1>
$ N5 ?( ^) i7 k1 ~ until <condition> loop' T8 U- q! ]1 y5 T5 x
<statement sequence2>;
" I" F5 j, ]( f: T. n ?2 b end;
! y$ U: o- z8 P9 c1 Z (2) while <condition> loop& k0 A: r2 i- }8 ]
<statement sequence1>;
$ i: V+ L! g% ~4 ]" ^/ K* l; T. Z end;
# w6 _( b" x% p2 B/ _ (3) repeat
) C. O- V" f' Q8 V <statement sequence1>;2 }/ {! v) l" B; w9 \* k
until <condition>;7 T6 r" p! B, ~2 m
(4) for <condition> to <condition> loop
+ M0 p3 z$ `% T0 ~ <statement sequence1>;
! m! u2 y3 M% K+ \ next;
4 n3 I. S" Z( b; z% U9 L" ^3中断语句
" |& b2 ]# }2 W( p7 d waituntil <condition> prio <integer expression>;6 T" H( c$ f' h- k) G; A
1 Y# i) d( R4 k: s6 ]
, n% h) _) B. z以上为常用的函数！
1 U6 B% w3 M. e' o d% }还有很多，如有需要我把资料发到你邮箱里 ) G0 ~; s9 y# } `+ Q9 l3 T
9 m: J" r0 K; Q3 s- ^0 U8 ^2 W8 t
3 `; P" J' d8 ~8 X' P
$ Z( Y4 Q# H& G7 R B2 Y. I 9 J! {5 W2 T1 @% e! F
. G8 g. Q" E5 u4 h( K! M: Z9 |0 c& B" E& M9 d# v9 }6 j- f
. a- c6 t" u6 |' t7 z8 `# u$ U# a3 ]# z! o g# I- A' d
, [! [& M. _. g2 z% ^! C* f* i. y " W A6 m$ k* H6 ]% I, V# j" B: u# j
|
|
[复制链接]
