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发表于 2012-11-13 08:48:12
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1判断语句# N# R7 M2 [5 z. R& i* T2 ~
if <condition> then
# k! n$ x" y7 j# ?5 q <statement sequence1>;
2 `/ F( J; _5 p, P+ P% c2 `3 @ elseif <condition> then
& c6 I( Y, l9 H4 J <statement sequence2>;% k4 _/ l+ x5 g( F
else 2 \. C; X, i* G7 m6 D [
<statement sequence3>;
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如果分支比较多，用：
c- h: ]1 I/ X8 ?+ j0 U. J+ _1 [# D inspect <expression>
) H5 b( S4 S z: a5 N% C2 J$ } when <constant_list> then2 b- r# X+ o) t2 C$ `* v$ Z: b
<statement sequence1>;4 b/ b0 w# t# U* X- w' ]3 g
when <constant_list> then5 C7 v; B. s" ]% H0 ^1 {4 Y
<statement sequence2>;
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else
& F8 d# u& s; s) [2 s; l: @ <statement sequence3>;
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) |3 H0 x2 L6 E: J4 G5 @2循环语句
7 e$ j3 e, g" q* V9 H; d4 @ (1) from <statement sequence1>
4 o9 W6 t5 W4 c* G( |1 v until <condition> loop
/ X' i' f& H g0 h3 o6 P <statement sequence2>;! _5 g' n% Q$ t* M
end;2 @6 F0 g8 \7 J$ V
(2) while <condition> loop
$ r- n* o" V2 U% j <statement sequence1>;
, \! r# s/ r5 I$ f end;0 [$ h% S+ u, @# s: e
(3) repeat
1 i3 u+ C" ~8 @1 R) W% q1 s <statement sequence1>;
" @1 r3 @: C5 v, i4 ~# h' P4 ~% Y until <condition>;6 ?, R1 w, ?! e
(4) for <condition> to <condition> loop
& J+ D3 v! H) o: B# Z) C) g) o4 Y7 f- y <statement sequence1>;
- K- o0 z" w Q5 p next;$ s% w# H1 y ]: a: D% v
3中断语句
* \9 \4 j( \6 A4 L. V1 o waituntil <condition> prio <integer expression>;
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3 M% D. a: c f' [& F% ~4 i4 j+ A% G以上为常用的函数！
8 V: m8 i4 A. f" e8 } ^2 L, h还有很多，如有需要我把资料发到你邮箱里 ' H( [1 a) E+ z4 e6 N/ O2 t- a
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