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发表于 2012-11-13 08:48:12
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1判断语句5 U- e- @& L" S* y8 `" E: ?7 Z( J
if <condition> then
3 C* \5 B* {, C# t; S: l <statement sequence1>; O0 H0 ]+ L A% {
elseif <condition> then
& T8 s+ U/ j' [- f/ M! s g; y <statement sequence2>;
) ~4 g- E% t& X7 k& p" P& M else
. E2 t' E' v6 l. B <statement sequence3>;" e- Q3 k8 T$ J+ ]6 G9 K8 |" B
end;0 x$ O! z$ u% [9 x1 _
如果分支比较多，用：2 c5 B! t9 ?" d) @% p
inspect <expression>
1 M0 b+ @( D: |( A when <constant_list> then7 e; R1 `1 t' k' `3 R' D
<statement sequence1>;
8 B+ f; n: j# O, Z: z when <constant_list> then
0 E- z# r/ Q2 m# z+ j0 ] <statement sequence2>;
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else( a# S0 K& {3 w3 W& I" a
<statement sequence3>;. ^: W+ Y1 Z( F z; g6 b
end;" u c+ J) p8 b% k% \
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2循环语句
( h4 a! K* y; ]6 T4 W (1) from <statement sequence1>
% D$ s: b l# H- F4 b- V until <condition> loop! s* v4 u) ]1 ~, k
<statement sequence2>;% q6 A, m0 j4 d7 x5 ]8 y
end;
4 L% w( J. c9 i9 l (2) while <condition> loop5 p' y) P5 |: W* e
<statement sequence1>;) Y" S& R/ v7 x1 L
end;# q6 t1 |7 ^/ L* p5 v
(3) repeat : p, X) X* Q$ S
<statement sequence1>;
, y3 q( B/ A0 X; V* }5 E until <condition>;3 i" K/ P) k! s; K& z. B& o; A
(4) for <condition> to <condition> loop* V7 A& x+ N: `; W
<statement sequence1>;
8 k/ N5 N% M# V G next;
+ H5 h: q. R! v3中断语句* g; A X! o: i5 ]# o3 {& H
waituntil <condition> prio <integer expression>;
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以上为常用的函数！# L1 l! d1 p# P9 r! {7 M7 T9 U
还有很多，如有需要我把资料发到你邮箱里
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