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发表于 2012-11-13 08:48:12
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1判断语句
3 Y9 _! }0 b8 y/ v" e$ E( [$ G if <condition> then
4 T) }. c# F6 s/ r <statement sequence1>;7 _" K8 |" T& _+ u; a5 i3 h; w
elseif <condition> then
" l: |7 ~; t7 B. M( g6 V; P) Q <statement sequence2>;
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<statement sequence3>;
0 z3 G* b8 X) _! B6 V end;
; p2 S& f# }% }; m, W) P如果分支比较多，用：) \! s6 Y% `+ I' y7 @
inspect <expression>3 P/ f- I. K9 n
when <constant_list> then0 t M; U; u+ L. G
<statement sequence1>;
8 G6 F& A' u* ^2 Q, P7 k2 v when <constant_list> then
0 I; v. A4 X( y <statement sequence2>;
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else6 r t" p% h) j2 {
<statement sequence3>;
1 s$ C. s" p' I, m5 @end;
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- j( }* |% X8 a9 U5 B/ G# W2循环语句
" t+ v3 T8 _7 O# Q* y" y" _1 X9 F (1) from <statement sequence1>
( x% t% m2 S. g6 L! ]8 R until <condition> loop
+ L- N1 H. V1 e6 \1 T' J <statement sequence2>;
\0 ^( l8 B4 |, [ A* G end;
. A) J1 @3 F- T& d' G$ a (2) while <condition> loop9 J* [6 S! \0 Y" a
<statement sequence1>;) y1 Y D/ j5 u+ ?
end;) w2 p7 F4 ^, J) J# w
(3) repeat 0 w! O- Y, H3 b
<statement sequence1>;
7 b+ ]9 ~5 F+ g' V' x$ j until <condition>;
. t: l& v) [; G! f, h (4) for <condition> to <condition> loop) L1 D+ \" l' ]" p3 `' n
<statement sequence1>;' @1 O, X) L, f, q
next;- @; _% ` f& l$ I5 ~( y3 ~
3中断语句3 h8 k- T+ J. G/ c P: A
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
8 g! n6 F Y+ L# J9 x L还有很多，如有需要我把资料发到你邮箱里 ; o7 l7 b u0 T$ h- z) `/ f' |. y) S
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