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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
! k4 B' }- a v; a1 ?9 E- F if <condition> then
/ Y/ G! W3 J1 O0 z1 J% ^! r <statement sequence1>;
, c% V+ t! S+ a+ I elseif <condition> then0 Q+ E3 ~* o0 c, F2 m
<statement sequence2>;" z( j1 l) D! f0 U% z# G
else ) {' E2 X' s+ `2 C$ H$ L) a5 }% l
<statement sequence3>;
* H$ z o$ h5 T6 I1 f end;
! j- m7 P* C6 J5 }如果分支比较多，用：/ b- P% c1 ~3 u+ M
inspect <expression>
7 r7 ~$ g& C' l9 h when <constant_list> then p5 ?+ ~1 ?/ r4 B* R7 [
<statement sequence1>;
' u2 G3 g; d Q# P* j0 B( P when <constant_list> then
6 y. j3 P) A1 j' `( l <statement sequence2>;
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else
, ]: f: U' Z( e <statement sequence3>;; `* c+ b# f$ j3 |$ ?' k
end;9 M |6 |! a) b' F1 c9 _
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2循环语句" ]$ Z9 ?# |. P2 X
(1) from <statement sequence1>
1 M' }; f% a% s9 H& C8 J' u6 I until <condition> loop) N+ A! u6 y0 p9 z
<statement sequence2>;7 F2 v$ ~0 [* Q0 I: A. c7 {& Y
end;
* u9 F! W; N1 \9 ~) _ F& Q (2) while <condition> loop
5 J; x3 N7 K5 h& G <statement sequence1>;
7 b+ r8 S% k8 d, M6 W U* ~) J end;
0 ^ Z% M: u0 x5 I) Z2 \5 F2 M (3) repeat 6 w+ ^! a, L# `/ d7 X
<statement sequence1>;
! m3 @0 o6 Y( A5 g# ~# x; d7 s until <condition>;
! P1 X& R2 K! B# [6 V& X (4) for <condition> to <condition> loop
, d+ `: [0 y: _. `* O; q <statement sequence1>;
( ?5 l5 n6 N. |, @1 T7 h& [# ? j next;# K) V: l; D( {( p) i7 B0 \3 y% y
3中断语句
8 x% b/ k/ {2 p waituntil <condition> prio <integer expression>;
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" X$ z. _# S$ y' m% H7 ]3 R! s% S以上为常用的函数！: A0 A8 b' H1 \. G' Q
还有很多，如有需要我把资料发到你邮箱里
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