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发表于 2012-11-13 08:48:12
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1判断语句3 V- x; j o, Y/ c
if <condition> then
* G, N* @4 K# l <statement sequence1>;
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<statement sequence2>;: x8 d. a8 u n F
else
# c- `7 q P' R' h <statement sequence3>;
6 t) n- Q4 V" U/ @* S# j. ? end;
- F4 P4 M1 j2 P; c8 o如果分支比较多,用: s/ [1 e& R; {7 l1 u. @
inspect <expression>. }8 I+ U# V" y
when <constant_list> then
' c9 B% [. a2 v# \ <statement sequence1>;3 t# U; [6 K* V" X
when <constant_list> then
- m- e5 T0 ~5 k$ n <statement sequence2>;
( U- N' u2 u! w ...
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" r( c/ D2 ^* o" k3 i) q {9 B <statement sequence3>;
% [# Y# y/ d* n8 T% wend;
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(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop+ @& C/ ^9 W7 `! j# D0 h) h# C
<statement sequence1>;$ k% q7 S. v" g+ t( G
end;
+ V5 {0 Z6 ?. Z) ?# O+ ? (3) repeat 4 Q* i# w/ h& l0 F7 w! M0 \
<statement sequence1>;3 \! L. n; M6 G. p, Y$ ^
until <condition>;7 d/ G. W- H' T5 m4 R$ C" c
(4) for <condition> to <condition> loop
% ?. J$ c% K Z1 m7 T <statement sequence1>;
Z8 O$ b3 a. O, f9 h# v* G% S next;
8 [8 ?% {$ m7 T9 j4 c3中断语句 O9 G+ j, j/ ^. g; `' e- B$ p
waituntil <condition> prio <integer expression>;
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以上为常用的函数!
' x5 f& v. g' e, D- q还有很多,如有需要我把资料发到你邮箱里 ; O) O! d! f- X$ q) c7 ~/ ]
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