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发表于 2012-11-13 08:48:12
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1判断语句$ Q, u2 _9 |, |) \
if <condition> then% v+ n6 Y, }/ W7 p6 w" E
<statement sequence1>;1 D+ Y) V9 T/ e* H+ R# v
elseif <condition> then
7 c7 n" _) D- H$ h <statement sequence2>;
9 h/ T1 `" s: G9 X8 A$ ` else
! b* [# e( \/ `+ p! } ^7 L1 J$ k <statement sequence3>;: _" ~4 d8 B: H# T
end;6 a& _# Q1 F( p. D: V
如果分支比较多，用：
" x6 I7 m9 U- b7 q7 | inspect <expression>7 {* a1 S2 y$ L8 r7 P* U
when <constant_list> then: a3 `& l" C7 p [
<statement sequence1>;: D0 c; ]2 c9 }
when <constant_list> then7 T8 M) f; a" ]
<statement sequence2>;
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else
8 o* d% @8 p2 [, m- o+ \ <statement sequence3>;
$ y8 V1 B1 F9 [' t( }% _end;
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: k7 ]! s1 _3 S1 N' v$ P2循环语句/ {) q* W1 t. K) m
(1) from <statement sequence1>
& u# v5 g% B9 m until <condition> loop
* b3 q5 J- R, z3 f <statement sequence2>;
3 z7 E/ S' F& \, I% n9 f end;
8 B) V# s; u' r. d8 [4 Y (2) while <condition> loop
# L$ {2 x8 V1 w3 W <statement sequence1>;, N. D X- r9 a E5 A9 j
end;3 v# b: P& W3 z
(3) repeat ; S. R' n5 r8 i4 i$ G- k$ G
<statement sequence1>;2 p+ F# h( v! ?* v$ A* j
until <condition>;
9 v- c7 ]8 o7 Z( Z5 v# Y (4) for <condition> to <condition> loop9 x" \. q3 Y& J( ^6 ^
<statement sequence1>;
. z3 e8 z! q, s( C0 L next;
- B8 g/ n5 s \0 I3 b8 I6 w3中断语句
; u" O2 N Q9 `3 N- N- L waituntil <condition> prio <integer expression>;" h ~. H9 z" b- E6 c) d; F6 o3 S
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6 H# t$ t5 F1 d. A/ w$ C以上为常用的函数！$ M2 o' @, q/ Z; f/ m/ T
还有很多，如有需要我把资料发到你邮箱里 ; ~& `" h3 K: V+ @4 c: B- m
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