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发表于 2012-11-13 08:48:12
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1判断语句
/ b. L @3 A. Z if <condition> then9 Q( w3 J7 M$ \% Q1 _) m
<statement sequence1>;
5 g" p7 b6 {3 n elseif <condition> then3 G. f0 _1 _: Q/ M$ Q5 }9 p
<statement sequence2>;
; P' a* I8 u$ H. w else 1 z: G8 l/ m' |6 h0 [0 i4 [
<statement sequence3>;& `) ]0 z- i& K ]1 o8 \
end;9 e m+ A9 l* D! i0 w3 k: \" ~
如果分支比较多，用：
( z( L8 w0 n2 D4 \+ ^' f inspect <expression>
) A! ?& |' L$ X# I |/ ^ when <constant_list> then
& B' G8 G7 B; K% E9 | <statement sequence1>;
2 |- ]* }4 z/ m8 G5 K2 Y6 v when <constant_list> then
5 V9 [% P) H' e/ q3 Y+ |# n. y <statement sequence2>;( b! V7 C) Z0 h) [. J1 P Z7 Y
...
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<statement sequence3>;
! q5 \0 G( ^$ R7 f4 `end; R/ B3 O! g/ F; q
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2循环语句
# V5 X! S7 g( \ (1) from <statement sequence1>8 Y% [4 H7 S3 g* ~
until <condition> loop% c) D9 _- E9 G+ ~ t
<statement sequence2>;; k. T# J8 S, o: V! D& M t
end;
! t% C# X8 @! ^1 T; N9 ? (2) while <condition> loop+ K& |/ o# o- R" r- V, e$ {: H
<statement sequence1>;
( O5 T& Y. }4 s end;2 Q) i8 l+ ^2 v7 q
(3) repeat - X2 P& ]1 j* Y4 S q
<statement sequence1>;
( A7 Z# |1 D. u3 m until <condition>;* E- C4 ?4 ?0 q
(4) for <condition> to <condition> loop
+ @# J2 S7 z6 W) p& L# c+ Y <statement sequence1>;
3 |1 }" b" o- G next;
; q* |6 o+ q% W3中断语句' L0 E& i3 f9 u- h7 I6 v8 g
waituntil <condition> prio <integer expression>;
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6 H) x& W8 Q& W$ [' A以上为常用的函数！
/ T( V8 r3 ^ U7 x# K A( {还有很多，如有需要我把资料发到你邮箱里
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