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发表于 2012-11-13 08:48:12
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1判断语句
( @0 N# m- P- u6 R9 J/ y& E if <condition> then% _! T% L/ c+ d: M
<statement sequence1>;1 l; l1 ?# {$ m& c8 A' q$ J
elseif <condition> then
* V7 ~+ {: w7 F1 [ <statement sequence2>;7 o6 V& B7 ^# D6 I" i) A T
else
' |7 g; K l* w4 D <statement sequence3>;
/ y6 P# U" z4 Q8 _' d2 G end;+ c6 h! q. S; r5 e4 h
如果分支比较多，用：
" C& K) n6 J2 v# Y inspect <expression>
7 @3 `/ ^! K* q/ ^6 e when <constant_list> then
. R# x! E1 M* x+ q9 N <statement sequence1>;! f3 q \& ]* A! l# l. Y" i7 }3 [/ }
when <constant_list> then
+ [ f2 C* u. ], o; s' T8 @ <statement sequence2>;& q. X! d# k9 C1 L
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else/ V H4 h% s; d- M
<statement sequence3>;
7 l/ P4 R0 ~0 d& F) K$ eend;/ x$ ^1 a' u0 d' H5 E; ]' X, T
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2循环语句1 t" V0 `1 @' {% h
(1) from <statement sequence1>; I" |8 X; |; O6 e
until <condition> loop
3 U( L6 a) \, ~+ E! U <statement sequence2>;
* P% s8 P' U/ _8 W end;
8 m1 X7 {% y# n o, T (2) while <condition> loop
; N+ V+ K$ N( X0 T. x+ O3 e" O( A <statement sequence1>;
% c4 `7 s; [% K8 i end;
9 v# ]! |8 z9 ^: Y' ~& B (3) repeat 7 J9 o0 ?$ M, C
<statement sequence1>;+ p: J7 o7 J4 b ?+ J2 N
until <condition>;4 U& S! r% Z2 }9 c! V B
(4) for <condition> to <condition> loop9 p/ @9 q6 z/ T9 @
<statement sequence1>;
$ t+ N6 } O3 k! ^' i- z next;
) R# I! ]1 Z3 i6 `' ?, b% o3中断语句/ k$ J% a" L) E& N' O
waituntil <condition> prio <integer expression>;: `% C" @7 H: h% i
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以上为常用的函数！+ e$ t" b0 ]+ H! j
还有很多，如有需要我把资料发到你邮箱里 6 T) G, V. L. u8 O
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