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发表于 2012-11-13 08:48:12
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1判断语句. s% D3 v* I' |- I
if <condition> then
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elseif <condition> then8 S$ D* ?3 _) D0 |5 r
<statement sequence2>;
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<statement sequence3>;, S8 Q) C8 A4 [. }2 Z0 z% F1 U7 s
end;/ \% P: h( q6 {
如果分支比较多，用：% R/ n4 I% j, N% Q1 [) s( B p0 S
inspect <expression>( h/ M) F' z! v( i) L) E6 ~/ N
when <constant_list> then" |8 t; F1 l; J# a t( I& G% G$ x
<statement sequence1>;
# J0 z' f [3 ?5 n' q when <constant_list> then
* S$ k% D1 Q! K7 ~. t. Z% G <statement sequence2>;
5 D1 o7 o* ^3 ? ...
4 v" W2 W1 W+ G+ Q# g else
" r2 {+ J* r/ C0 I: m, H. e3 t6 B( C <statement sequence3>;
& Z u. ?. {6 c. V5 J+ uend;
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2循环语句: s1 q: V9 e' N6 H; i1 ]* ?0 k/ U
(1) from <statement sequence1>6 G6 ^( e. Q1 f* l9 j' o% I: {
until <condition> loop
. t. j0 Z1 t0 U9 J <statement sequence2>;
; [3 S7 r+ ^$ K8 N end;
- ?! h/ x1 L- Z: R+ f, H. M) c (2) while <condition> loop; W9 s$ z/ P4 C. ]
<statement sequence1>;9 X7 O {5 z# l Q7 N
end;8 m! m' C7 V% ?+ {6 r, [+ q X6 q
(3) repeat - W9 r$ y- g$ F5 o+ ?- v
<statement sequence1>;7 \4 Y! Y5 G9 ?* v" w, ]1 V, w0 u
until <condition>;
3 j$ ^, \) N6 @- l7 \% w# r (4) for <condition> to <condition> loop
3 e# @4 R* `* \ <statement sequence1>;8 D" O/ e* [4 P z
next;
6 V. J* e2 A3 t) P3 U* K: M3中断语句* j: k/ b/ S1 `8 c8 b5 K1 i4 e5 C( l3 @
waituntil <condition> prio <integer expression>;1 c9 Z0 z/ B1 T) |1 s7 a& M
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! N. C+ F' q; x6 T. _以上为常用的函数！0 m4 r4 C* s J8 Q1 U" g6 [
还有很多，如有需要我把资料发到你邮箱里
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