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发表于 2012-11-13 08:48:12
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1判断语句2 \5 w9 x! a; N
if <condition> then
t/ z5 | w0 Q( a2 r! U( U <statement sequence1>;
* |+ C. R" ^; T: z2 K( b elseif <condition> then. O& G$ v* [/ U
<statement sequence2>;5 x3 [' f& p9 T- P; q
else $ K$ E$ J0 f4 a3 f- L
<statement sequence3>;
# m ]. R7 v) l9 f& c0 j: b- S2 e end;
& o8 Q# d& h, q3 L9 E# m如果分支比较多，用：
" y! F! D+ H3 X. @! v inspect <expression>% s& T$ G2 ?, R1 {# C9 D* I; o: t8 u
when <constant_list> then
' f. d( d, \+ c( H7 q <statement sequence1>;
: j4 K, I4 b. f when <constant_list> then9 j8 m; i/ q3 u3 I/ J' E' t% Z/ J
<statement sequence2>;
5 G7 R- Z( W* R! ]+ q, M& c ...
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<statement sequence3>;
. F- B1 v0 O' W2 M# T6 K# ]2 pend;
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5 X$ w8 j h% ]1 j0 Y) P2循环语句
0 O, K$ H3 ^1 Y+ |5 i (1) from <statement sequence1>
6 M$ q6 l- E6 P6 t2 u- p until <condition> loop4 b4 W5 `7 h" L3 N6 ^& Z
<statement sequence2>;
% ^# J% [! Q# S: j6 G end;% {7 F: y* L! o
(2) while <condition> loop: L8 C+ T: \+ f# G
<statement sequence1>;6 f* W- b7 a. a+ u5 z- Q
end;" ]" x1 O( S: N% v
(3) repeat , @+ R3 @; h9 M8 t# O1 z
<statement sequence1>;& h* E2 L9 w ~: |5 z. I3 g
until <condition>;
3 P4 _( g% Q( C3 I (4) for <condition> to <condition> loop
3 N3 |" T; }% K; f <statement sequence1>;0 X* r# l/ B' C: \3 `3 j
next;* X8 p& d5 g7 P( H* [& V7 S# |
3中断语句
! F5 s7 w# G/ k9 } waituntil <condition> prio <integer expression>;
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以上为常用的函数！+ Q* A2 m* Z& W$ n5 B
还有很多，如有需要我把资料发到你邮箱里
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