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发表于 2012-11-13 08:48:12
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1判断语句- Z7 m& T3 x8 [9 V6 L
if <condition> then
/ I( Z% n5 O. ? <statement sequence1>;
1 r9 M. b9 k: A& k" Y7 d8 q8 S% c elseif <condition> then
" ^$ q7 `) r% o <statement sequence2>;; y# i4 q5 B# v9 n3 m
else
1 x e8 e* J4 A' Y/ W; O <statement sequence3>;
' ~8 r) Z% |5 {8 i8 T) u end;4 ?* H! Q" A: \, Y
如果分支比较多，用：
* W B! _5 M/ a. Q0 o7 M inspect <expression>. U: i5 s( _) z& W @, @/ j
when <constant_list> then
7 N" q) b% s0 r' P" b9 P; U <statement sequence1>;0 ?% @! t V' K% H J
when <constant_list> then; X: q0 W/ n& H6 h9 o. V
<statement sequence2>;
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else
" K0 a+ `+ ~+ {3 K <statement sequence3>;
3 V2 n( G6 ?2 C# @ L( Jend;
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2循环语句
: ?5 s* K0 I) N7 l+ Y& c* n& H (1) from <statement sequence1>
2 t8 \, c5 Q* B* o2 { until <condition> loop* y6 ?* P9 s* c& _: f
<statement sequence2>;+ c. ^) m6 h2 N$ T3 i: W7 x# @
end;) s/ ?' M2 M' {$ J1 r- i; h
(2) while <condition> loop
2 q0 N2 D! X, v+ V; {+ H <statement sequence1>;8 D8 A3 S0 t# t, J0 j$ J
end;4 |5 ?3 z8 @4 Y& P: ~# ^: ]
(3) repeat
8 L5 C) U7 W! _- o/ W3 d& P$ ~ <statement sequence1>;
( }- `4 C. `) ]3 V4 l4 O7 A until <condition>;8 u. c$ W& ^9 E" @% Q- F2 J
(4) for <condition> to <condition> loop
0 t& h7 q1 b' \# n6 x2 N1 C <statement sequence1>;$ |; ?+ {( O0 u( S' e
next;
& Y$ z9 W8 w: j- N) g4 Y$ K3中断语句" d' S: k9 g0 l. c! z
waituntil <condition> prio <integer expression>;% c. Y' d/ n2 U" J2 V" i1 e
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以上为常用的函数！- ^) g5 Y- @: m; D1 l
还有很多，如有需要我把资料发到你邮箱里
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