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发表于 2012-11-13 08:48:12
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1判断语句8 A7 T3 i1 e/ s0 ]
if <condition> then
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elseif <condition> then$ _4 e, T( e4 c0 \# a, r
<statement sequence2>;
6 a) |- k7 ]6 j3 w/ o# ~, } else
9 o5 P3 g8 }2 y <statement sequence3>;
6 l! `+ @0 o, n6 F0 L- R8 L end;% D# w2 n* T% ]) {
如果分支比较多，用：, g# }1 H. N- o! `$ l N2 w0 P4 j
inspect <expression>
: c$ J" V p2 r1 k when <constant_list> then3 e2 S; @' U2 e/ O$ F1 ^) Q6 ?- _
<statement sequence1>;0 l4 d" X1 N: r. H! V0 I
when <constant_list> then- {+ K* E6 m! e1 k7 O# |& q
<statement sequence2>;
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else
4 V0 {: ]( F7 E: y! L <statement sequence3>;
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9 p8 X8 {* D+ G o! l' E6 s2循环语句$ g b1 f4 w2 z! b' e* w9 u2 t
(1) from <statement sequence1>
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<statement sequence2>;6 e: u+ t) `9 U; U$ J7 ?7 C
end;$ F$ n" P* N* ~' e1 Z4 t1 m
(2) while <condition> loop& [3 B6 P0 o1 |6 b E
<statement sequence1>;
, e0 h" T" q. E8 u- F& g end;
5 ?8 ^0 j/ i* h$ e1 z$ R. } (3) repeat
0 T1 X1 ?$ \2 w; A# o! r <statement sequence1>;( A/ z# M. a* e) n6 g% W( \: c
until <condition>;
" V a" C4 ~7 u9 b; B (4) for <condition> to <condition> loop3 Q% t3 s0 n" i
<statement sequence1>;
( y4 w+ E$ N& O% f1 Y next;
% k" |6 ^7 e8 f3中断语句 T. d7 V' G- w1 Z5 S, k/ [
waituntil <condition> prio <integer expression>;! x( ]% q, N# t* d0 g
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, g( f7 C9 b+ |, j/ X以上为常用的函数！
5 v9 y: o0 b7 n7 p, @9 V8 s. S还有很多，如有需要我把资料发到你邮箱里
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