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发表于 2012-11-13 08:48:12
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1判断语句
% o/ n6 M- ]5 W8 y8 p# R" p" k if <condition> then3 u7 E# c& t+ W1 I7 O
<statement sequence1>;
6 X3 B# z. G$ T0 c$ Y+ ~3 T elseif <condition> then
, w' m5 e3 [; `! E/ J <statement sequence2>;
1 I8 Y- m4 t3 ~- J3 a5 {; V else . r! M; i$ ]& {% R8 R
<statement sequence3>;& _" R3 K1 [9 M0 D
end;9 I/ t4 V* U4 W( `
如果分支比较多，用：, ?* u3 q8 v1 K, ]% ^8 k
inspect <expression>6 e0 f7 @- ?) h/ ~. [) ?9 r( Z3 s
when <constant_list> then; ~( s5 l1 Z7 n: F: G
<statement sequence1>;
7 ^! D( i7 X& H- `8 p5 d u when <constant_list> then! G. `* `; H1 S' D6 g
<statement sequence2>;) p, z) e4 ^1 G' G" p
...( e9 F/ l# \8 e& G
else
9 n# I4 a- m9 e- q: ` <statement sequence3>;
3 v: U; j2 f* p* H9 Uend;
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8 P- y3 e2 Y5 {2 E7 j- k" M( p2循环语句* P) y- T3 W' e5 D
(1) from <statement sequence1>
$ |4 _" v# c0 \' s& l. o' N until <condition> loop
5 q B6 R! F) L0 [, L% L& I) i <statement sequence2>;
3 g. g2 S \; G& T8 D end;
* b) \/ o) W! m (2) while <condition> loop
v3 V M! w# O2 S& @ <statement sequence1>;
) \) m; ?/ `$ L end;
6 L2 y! B# ^: s (3) repeat 5 l2 e/ B# R9 P8 D
<statement sequence1>;
/ T) F# q+ R" L( ` until <condition>;
{# D4 @9 ^& G (4) for <condition> to <condition> loop
: `2 q! D' S* E. C% M' }" { <statement sequence1>;4 A# w# \6 K' O
next;
5 A- b% `, G7 p5 w8 N9 E3中断语句/ T% w6 b% C# X+ I9 a
waituntil <condition> prio <integer expression>;
& @4 e2 A4 Y+ d- P2 {* x- U0 H1 R3 n T. a2 t, s/ e
9 o7 A8 f1 X; c0 u# r以上为常用的函数！
~8 ^9 |( B9 H0 i* U# X% M j/ B还有很多，如有需要我把资料发到你邮箱里
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