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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
+ ?8 u' Y! j/ C if <condition> then
% ~- x* B% @, V3 V <statement sequence1>;
9 a/ |! a7 F K. L8 e- \; D1 g9 k elseif <condition> then- V2 q! V0 b. S% w8 K% N2 R) i
<statement sequence2>;& f' W6 c* B. x* N# \
else 5 \9 l0 y) K# m1 S1 O
<statement sequence3>;; K$ V* E! N- W
end;) F3 }* [& Q" T1 `: \ j
如果分支比较多，用：- z- |0 r+ O X* j( `1 g
inspect <expression>
$ J! N2 G& l( J2 I1 A when <constant_list> then
9 S! t* H, [9 e. V1 B6 d' G7 A. H" N <statement sequence1>;
7 X6 q) O$ U/ U# s2 l when <constant_list> then3 p: Z& a" J M; c$ j8 V+ M8 H
<statement sequence2>;# o4 ^/ l2 W+ U' ^& G
.... [/ B4 ]4 _" g) x7 R0 _ H
else
. j: v4 m3 ~1 h/ d y <statement sequence3>;
, |" u+ v! h7 [. C- h$ Qend;
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2循环语句2 h/ \* [( b m9 ^! f7 e) n
(1) from <statement sequence1>' ~/ I1 D @0 y6 ]5 h( M
until <condition> loop
5 e* g3 u, f0 L4 E0 f) w9 C) \ <statement sequence2>;# G& T1 [2 L z! e6 I" _
end;
5 |( l+ L. @! J9 y% m- Z& _& f1 Y (2) while <condition> loop8 e1 S- ?5 P( R# m6 s4 e
<statement sequence1>;1 [( R) X& P" t u
end;
# E( q1 q$ C5 ? (3) repeat : M3 W- N# J, R& s% ]& G1 p
<statement sequence1>;, f! J- E2 d; p4 R
until <condition>;' l( J# F/ z4 y9 J1 e/ E
(4) for <condition> to <condition> loop" C# L% O3 r* P4 G/ z! s" W+ n
<statement sequence1>;6 [, N9 a, M1 G7 {& l
next;0 G! y9 z, Y W3 {+ j
3中断语句7 X; d4 F8 O, l/ _+ D
waituntil <condition> prio <integer expression>;
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) u2 H; D1 x" i8 Y; F以上为常用的函数！+ t* k5 Y; r7 @. M) O
还有很多，如有需要我把资料发到你邮箱里
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