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发表于 2012-11-13 08:48:12
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1判断语句
+ d; W1 v6 [5 h if <condition> then5 C# c- B5 H& f6 ?7 [; g$ J Q. p
<statement sequence1>;
0 U$ Z. D- ^& { }- c elseif <condition> then9 ~6 Q# v$ Q. A6 d) u9 f: U' y
<statement sequence2>;: y/ l% ~; ]6 l. g; {
else * X6 Y7 L9 L$ t# J5 n1 c; [
<statement sequence3>;
5 f+ W' D* t. u; J5 W' m0 j/ B end;, {0 }) B( W# i6 R# K
如果分支比较多，用：
: u: {8 }- F3 P9 J8 Z inspect <expression>
" ^, x H! ^2 A when <constant_list> then
1 ~/ x- o! X7 O2 p9 u' W5 l2 ` <statement sequence1>;% `9 u, {! d g- r) O {8 A7 C
when <constant_list> then+ {7 r/ Q9 l8 h% s/ Y0 G* V
<statement sequence2>;
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else! L5 g, p0 z% a! e0 V
<statement sequence3>;
9 o B8 T% y5 a+ g9 G% N: A! n! G! K7 yend;8 Z* a& h% I3 O: h7 l# f
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2循环语句8 I V3 x( T8 m: g$ z; d
(1) from <statement sequence1>' i4 W: q; T L4 G
until <condition> loop. H* n8 V5 u& o# i' w1 j( X
<statement sequence2>;3 s2 Q0 t& y, O& G
end;, H1 K% L1 |; n7 U
(2) while <condition> loop1 P3 S- F+ e6 t/ V- a. _. L6 v
<statement sequence1>;
* p% g. c7 d+ P3 ~ end;
^% Z" r& J" z% Z2 `7 b6 Q (3) repeat
9 s* I* ~7 \3 B5 Z* h( ^ a& h* a <statement sequence1>;
1 [4 F0 z! n* h until <condition>;
4 c' W- W* F% q# [# o (4) for <condition> to <condition> loop* ~+ Z9 N. h/ V$ s7 X1 @8 R# G* A2 R- `. U1 ?
<statement sequence1>;% @: V1 Z1 S2 S4 A7 F0 n+ l5 d: E
next;
, q( {! c# W1 w, F2 h5 ~1 Z3中断语句7 O0 [% |2 X' j f
waituntil <condition> prio <integer expression>;
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3 o) }: G8 |0 i4 M以上为常用的函数！
& Y `% _. }4 M6 N: s还有很多，如有需要我把资料发到你邮箱里
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