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发表于 2012-11-13 08:48:12
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1判断语句
" |% S7 M9 J0 C4 J, W4 U if <condition> then. X, s) K" O; \8 `2 M: H
<statement sequence1>;
, m- H/ Z, _4 D4 F elseif <condition> then7 _! s: [- B7 V4 x' t( n
<statement sequence2>;
( J8 J+ o( X/ a1 O9 n$ ^ else
# @" X/ t( U- e: j, ] z3 _2 g <statement sequence3>;0 N1 W- Z' H9 {- Q H
end;
: y! }8 i* H# E+ q* M# E: \: g+ B/ A如果分支比较多，用：
# v0 M& [9 u D. I9 D+ F1 e0 s9 s inspect <expression>0 p# O6 W/ Q0 N0 _
when <constant_list> then
0 T( \' @2 n7 o: l. E8 @ <statement sequence1>;
5 ?0 m% t) e5 P when <constant_list> then
8 _1 i% V& C9 j4 U7 ?( q7 q <statement sequence2>;
z: _( q. t% E8 O" f) `8 C ..." ]9 ], g9 X1 U% u9 X0 W; x
else: ?6 n; i" m8 Z ~) O3 U+ n+ F
<statement sequence3>;
" [4 g! l/ T- A# gend;
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2循环语句+ V( \1 g! E$ Y9 f3 i$ ?
(1) from <statement sequence1>
4 Q( R: v$ W; t6 K5 q9 T until <condition> loop. j* }( c: ^& R0 c1 j+ h8 _6 D9 b
<statement sequence2>;
, u& K0 l( |# U end;
. E* d5 b% f% s% D7 z# \( G$ w (2) while <condition> loop
% `6 A# J% o* P9 K <statement sequence1>;1 h2 F& T. _' W2 |# i
end;% v" b3 z2 o7 B
(3) repeat ) ~9 C9 K% x H: f0 L7 ~: _8 y" A
<statement sequence1>;$ B( j4 o/ e% U+ ?+ p6 c* e
until <condition>;3 |% U2 ~3 t* P+ s
(4) for <condition> to <condition> loop5 _. x6 M5 s! t$ `2 X" s: z# x& B
<statement sequence1>;
3 a1 f8 _; b9 i" E6 u! X5 Q8 ?- q next;" {! A D E$ h+ k, z0 v$ T0 M
3中断语句! E% Q/ R' h$ \3 m( y- ~2 Q% U- q
waituntil <condition> prio <integer expression>;* h2 d' M& L5 H+ t
h5 O4 ?+ z* O& W( [" \# v/ G* W: Z: [9 j
以上为常用的函数！. J4 b* L- u0 ^, s H8 D# h
还有很多，如有需要我把资料发到你邮箱里
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