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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
6 g* b: Q$ @2 T) E if <condition> then7 I- H4 r! m; @* D
<statement sequence1>;4 U* V( A7 b! U$ m
elseif <condition> then# N; k& P5 M' r1 w9 H
<statement sequence2>;% ]7 [# H2 O* `( F- e( v
else % l, f) g/ v9 d& _8 K
<statement sequence3>;+ B* v9 ?& e( t! r1 m0 J
end;
/ N, ^& D8 J- j如果分支比较多，用：' ~6 @$ K6 i; v! e+ q, f6 m }
inspect <expression>
3 J5 {7 }% Y. r/ v/ h when <constant_list> then* K9 f _: r9 M) Z2 q- ]' c
<statement sequence1>;
1 c$ B; E( v! t4 G- K when <constant_list> then1 u4 j$ _1 ]8 R* a) a
<statement sequence2>;
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else
# e# v2 N; Y6 f) l, l t/ K <statement sequence3>;, M0 T' p9 r; D, s+ g
end;
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2循环语句
$ _: C( l9 N: H q5 A6 u- O8 ~ (1) from <statement sequence1>
& \& T- }9 \2 Q! w' u until <condition> loop
! |6 O( b& k, s# h3 ~( z) p4 H% t <statement sequence2>;
/ Q. B4 U# |% M4 t* k end;% B! ?- g2 {- Y
(2) while <condition> loop' f' c. x6 d$ t; l
<statement sequence1>;
: C9 Q& j' N+ h H; u end;
% ?% Y2 D/ u$ Y" E; g7 \+ J- o( Y (3) repeat / k" N" l( p4 a% v' c
<statement sequence1>;
& q2 Q# s! S1 ?, N: x6 r until <condition>;
) M6 U- b: M6 e# A+ O6 M0 { (4) for <condition> to <condition> loop
6 S+ @# w& K% |$ \7 k <statement sequence1>;" j( ^# [ x$ c9 ^
next;
. E8 Y# d' \2 | o+ F3中断语句; ?$ g0 S, h% _& Y/ M$ H
waituntil <condition> prio <integer expression>;# Z( L% j Z( [/ Y, O
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5 ]" V T9 ]' K$ G以上为常用的函数！
3 j5 W$ f( W/ e5 `还有很多，如有需要我把资料发到你邮箱里
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