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发表于 2012-11-13 08:48:12
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1判断语句! M% [) [6 s9 ? b `
if <condition> then6 q+ ^. o6 L, A2 K9 N
<statement sequence1>;1 S5 F$ ^$ G$ |- u) }9 p
elseif <condition> then, [$ q9 w5 B- F0 ?1 g+ ^# N$ A/ |
<statement sequence2>;
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<statement sequence3>;& C4 _8 z( R$ Y$ @) H
end;
' e# N5 t6 ?: O5 B. B如果分支比较多，用：( p+ ?* s* L: t0 l# B8 h
inspect <expression>3 B! ]0 e' @- V* G, O
when <constant_list> then/ g$ Q; U6 C/ C2 P
<statement sequence1>;
/ ?9 T( ], Y4 X1 N+ }( w6 v+ |8 C when <constant_list> then1 _( m7 ^/ T8 j/ A
<statement sequence2>;
( ~+ q: F+ f: H+ \ ...
6 Z l1 ?0 D C8 q else
! U' p- G, V+ v. i <statement sequence3>;
5 v& c8 i" F3 m: \end;1 K+ i- J: q( B) e) G8 Q2 a9 B0 m$ B
* D6 x; A: {- s1 M5 L% I* x- u2循环语句( F3 C' a L6 u9 O+ M& e
(1) from <statement sequence1>
* @+ w! W2 ^- ^5 \! @ until <condition> loop/ y2 T' q, H' l
<statement sequence2>;
8 B' O7 Q% Z6 a' R% k( E end;$ \0 [) X/ K0 s) y) \
(2) while <condition> loop3 ]' i, j$ {& m' H, U$ h c' R
<statement sequence1>;
+ {5 A+ U N+ \- u' h end;0 m1 r* i0 w: q9 l. L
(3) repeat
* h- ?. j" |. U& w) } <statement sequence1>;+ Z5 |( d8 _! M/ f* t% p/ u& n
until <condition>;
- V0 I6 w8 Z% Y (4) for <condition> to <condition> loop
$ v8 r/ V+ k% `: y: K <statement sequence1>;
+ b) I8 G( u$ T2 Y1 |0 z! B$ l. r next;
[* B+ _) ?* ]2 }2 n6 W: g- w3 F3中断语句2 ~( N( ?1 \! v' c9 A5 k
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
2 `: P( z' m% c还有很多，如有需要我把资料发到你邮箱里 1 o* y/ X- `& L& W; ^. F9 q
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