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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
5 g% W( p1 n3 B8 o if <condition> then
% O( g+ _# m8 {$ @0 v. W* n: V <statement sequence1>;* L2 K) @1 u% b7 A9 [
elseif <condition> then
0 H5 g% h1 a, J/ [3 q7 ~1 K+ c7 y3 N <statement sequence2>;4 s) e0 J, `$ j' a
else
5 k3 K8 }, D, R* l4 ? <statement sequence3>;! T o. W& u$ z! W# r+ o+ n' ^
end;# T# X) E+ x: y3 I- S& y9 r C% X
如果分支比较多，用：% D4 \7 `. j8 b+ `, u9 _
inspect <expression>
6 o% u3 s5 A5 @ when <constant_list> then$ ^. }, U0 P- M+ x. ~0 C: c
<statement sequence1>;
) j& u) I1 c1 ], @* c when <constant_list> then
/ Q) g& a( f, Y: ^& x# Z6 G <statement sequence2>;3 {7 M: H6 x6 ^! L( i8 v J
...0 w# M. P. D, H
else$ R& C0 i3 W3 y# |
<statement sequence3>;4 f# O2 W2 u2 i7 Q, m1 h0 x8 H$ R8 N
end;$ o% s. H0 |* G/ v
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2循环语句. E* D- q8 o: ^2 s% h" _ s" ^& c/ P
(1) from <statement sequence1>
" w2 a0 @/ m6 ? until <condition> loop- m0 ^9 O6 ~. t( Y( K- m
<statement sequence2>;
' m% |" e: w2 `8 j end;
* w; ]$ w# ~/ `+ \6 j (2) while <condition> loop8 V7 e: O" k8 W0 B6 V
<statement sequence1>;& X6 `4 x8 X3 l2 L0 ~/ n+ l1 ]
end;7 U% L! N' @5 S" q% V4 g
(3) repeat 0 t5 J( F8 }: ^: f# `' C5 `; F
<statement sequence1>;
( d+ w% ]! ^; [- r3 [: e+ T8 K% I until <condition>;
. W8 e6 T- m! D (4) for <condition> to <condition> loop! I4 Q. {) c6 d6 V
<statement sequence1>;
$ V& v+ h* A$ ~* l$ ?) M4 ]1 r next;
( A+ H$ c- ?, `( s. E3中断语句, N+ `% v- ~8 K* A7 s% I1 e; i1 |
waituntil <condition> prio <integer expression>;
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以上为常用的函数！" f1 C8 `! _8 O! f1 W- |0 Q; d4 s5 ]2 A
还有很多，如有需要我把资料发到你邮箱里
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