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发表于 2012-11-13 08:48:12
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1判断语句' e# d; C; @4 r- a/ ]9 s& t9 s* I8 [ C
if <condition> then
3 a1 c2 ?+ m* `3 f( n+ j <statement sequence1>;" u- S6 |0 f* l7 W, u
elseif <condition> then/ J3 H" D0 f0 N3 |% _$ G0 w
<statement sequence2>;, M/ a; h: K! u$ J
else 2 v1 i! {8 K! K/ m
<statement sequence3>;
- N: s* f. ]3 M1 R! } end;" _( W" E$ ~& K
如果分支比较多，用：
+ u. x. P) S2 ~3 ]2 \' S inspect <expression>/ Q! j9 `$ ~) u/ {- ?
when <constant_list> then
# P& j4 \1 ]$ d9 | <statement sequence1>;- r" [ I$ S: i8 ~
when <constant_list> then( o: j* o8 c$ `, q3 u3 d4 Q/ e# n
<statement sequence2>;# w u8 h; T4 o; G I! u6 q1 B. E
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else
; H( f6 w; C8 V r) a& F+ } <statement sequence3>;
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2循环语句
# A0 y k9 L: f8 y# G8 l& P4 E (1) from <statement sequence1>
( C$ \* Z4 @3 X. F until <condition> loop
, v! ]0 M/ U! u' q8 f5 [ <statement sequence2>;) ~" W. ]' m E
end;
4 G' x! ?. o% k3 F (2) while <condition> loop+ d3 w- _5 C0 R4 o8 w
<statement sequence1>; H0 Y9 S! a [+ l! b2 f" z
end;' O) Q5 u- L1 j e- _ y$ V/ L
(3) repeat 2 Y. {# h6 Y" x+ ]- @8 d. v
<statement sequence1>;' l0 L4 x& f: M; k# o5 g
until <condition>;
0 Q) E0 ]8 c; B (4) for <condition> to <condition> loop
' J2 J8 U( Y x/ P <statement sequence1>;
6 ]& {2 U. B4 D0 @* q6 ~5 c next;
T, o$ R ^# R: @% y3中断语句
% }/ Z; W. `$ a4 a, t/ l waituntil <condition> prio <integer expression>;5 O1 T5 T' s9 |) O0 {- C: R
3 y' X1 \9 P7 s) k4 p
' G( u) G" U# d2 m& U以上为常用的函数！2 p2 z+ T' g9 `/ a$ E& n
还有很多，如有需要我把资料发到你邮箱里
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