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发表于 2012-11-13 08:48:12
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1判断语句' E2 q5 z% J/ g/ c2 i
if <condition> then
3 R" K* A; b: H" S/ |$ V <statement sequence1>;2 g( {3 e3 ` Q; a1 D/ J9 Q
elseif <condition> then
" Q7 D3 P6 O- ^0 m <statement sequence2>;
3 I* F* U b5 D else ; d X- W/ S$ J& o; H6 i
<statement sequence3>;) z& E: C9 B; F; c0 q
end;9 C$ q! N) C" K9 O2 ^0 [4 G# u, P! p
如果分支比较多，用：% y& L! {* ~: D; }
inspect <expression>
: r$ Q3 E5 q: f( q! C" e when <constant_list> then! j5 ?/ {- P3 S, {% R) m
<statement sequence1>;
! s V |8 u% p when <constant_list> then( @0 [2 o( ?3 u/ ~
<statement sequence2>;
! _$ i) `5 P: Q# d2 q; m ...6 h9 ?( \3 X) h+ Q7 G7 h9 v
else H, l0 B0 C8 d2 V- d2 G! l
<statement sequence3>;
?" B4 |3 W, u" ~7 `8 Q4 j* iend;
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2循环语句
& R1 G8 t/ C: g8 ]( t! _5 b (1) from <statement sequence1>
. y4 W. Q& P* | until <condition> loop [' p8 n1 \3 a5 t$ b1 O+ M
<statement sequence2>;5 h, ?( m: N& @, G. S
end;8 s. ]# M3 O( F1 w
(2) while <condition> loop
( `2 O$ M8 c0 Y' x3 d5 l <statement sequence1>; O) Q, x5 i1 ]7 l0 X6 g c! ^
end;
T9 B% f: K! [ y& }# V9 g% j( \3 { (3) repeat
- D3 v8 E4 f) |) ` <statement sequence1>;8 f2 s s, B( D
until <condition>;3 t. Q4 g$ K5 |* c) [& f% J
(4) for <condition> to <condition> loop
D- N3 H$ Y2 X: G' i- ` <statement sequence1>;
1 Y' a4 P# m! W next;
! q+ j7 f9 B8 Y' F3中断语句# o0 @/ \+ v% L2 Y U0 l. w8 k
waituntil <condition> prio <integer expression>;1 h! G x* u, D5 R
6 C& N8 h# u, {
0 \% u& ~* ~$ H( R9 p以上为常用的函数！1 {+ o4 K6 C0 V/ G
还有很多，如有需要我把资料发到你邮箱里
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