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发表于 2012-11-13 08:48:12
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1判断语句
) T1 Z1 F/ _0 F9 V8 J$ K+ f if <condition> then) a' U2 T* R9 l* L6 l
<statement sequence1>;5 u6 i6 e6 j- V% _
elseif <condition> then
3 s' |% K6 o5 z. ?! f! @ <statement sequence2>;
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<statement sequence3>;
, y6 X" O! ^& m( M. Y7 A4 O end;
/ e, N N( ^2 [% d. |如果分支比较多，用：' {. J/ A$ z$ x/ S8 Z
inspect <expression>/ j# ^3 Y, P- [5 R
when <constant_list> then) G5 k8 r8 O8 s- }9 U# E2 K8 T
<statement sequence1>;
& W9 T/ P4 o8 x2 N# I' V+ L when <constant_list> then1 @; F# S# T/ P6 V1 Z, j: u
<statement sequence2>;
8 `8 r0 z+ c9 t0 ` ...
: d: f8 z# k) U( e else
- Q8 @7 s* T5 x6 { <statement sequence3>;4 M. z/ z/ [% @% s5 |# v" z0 Q2 j
end;
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2循环语句# m7 y: [1 w y( ^% w
(1) from <statement sequence1>
: Z. j" d9 Z! P- |& p until <condition> loop
; e( _+ J! S2 n$ r$ _; d$ j <statement sequence2>;3 ~: D8 t9 A0 S, U
end;, F9 I ?. _. {& F2 a+ ]1 M
(2) while <condition> loop% a& _% w4 E6 t9 o* |* z
<statement sequence1>;9 d" Y0 ?3 b2 J1 p
end;
( \; F1 `2 q8 d( @3 m) ^' h (3) repeat 2 h- Z% b4 `8 Y( D+ D) h
<statement sequence1>;
9 O& \! D# p, `+ k( \) e until <condition>;' X9 W/ h6 K( d
(4) for <condition> to <condition> loop- Z' {" o2 D f+ d" n
<statement sequence1>;
" C3 p4 V- e' _3 V$ v next;. ^. F( k. x R, x P |1 [6 F- |# @
3中断语句$ m% i7 p3 B6 Q2 @% ]: |
waituntil <condition> prio <integer expression>;9 K* ~" |' y1 i) V
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以上为常用的函数！5 U' m8 y1 _8 O2 `- O- q
还有很多，如有需要我把资料发到你邮箱里 ) t- _) F9 K5 u7 K; [0 ~3 z
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