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发表于 2012-11-13 08:48:12
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1判断语句
. i: F' G/ D; I if <condition> then, |0 @3 b# n. k2 }3 b! j: Y3 ~# f5 v
<statement sequence1>;
# y" X3 H" u [" B2 K! ~: R elseif <condition> then- n. {$ F$ V i
<statement sequence2>;1 E2 Q7 Q0 |1 r b
else
6 H i K& i z V1 n9 B <statement sequence3>;0 A& }9 q3 e; e( k; I' A
end;9 x. {2 o2 W, G% c4 v# Q
如果分支比较多，用：6 I+ @! m2 S3 L2 V: W. |" @8 V
inspect <expression>
: ~# a2 K: C1 E7 |+ N when <constant_list> then6 g! c: U7 u K) `/ x# S6 {. f
<statement sequence1>;
8 d4 G! D1 y2 d6 G+ p2 @0 C I3 I4 h when <constant_list> then
/ \, h/ V! m& s$ y4 S3 d6 o <statement sequence2>;
1 M' K+ f0 C) \) ?* C6 H ...
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<statement sequence3>;
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2循环语句
+ t. Q9 h: W4 h (1) from <statement sequence1>' J o: q+ o$ V2 M; U" W4 b
until <condition> loop
$ @3 n% [/ G1 Y% }; S n1 c9 ] <statement sequence2>;
/ N. z9 R* u/ J u5 y M end;
- S, N" p# _% {5 Q6 X; p' {6 P" w (2) while <condition> loop- Q8 C. U5 O6 P! r# {
<statement sequence1>;% h6 j1 \8 M7 _ T
end; E5 N; ?& L9 w$ ^9 _ i$ J
(3) repeat 2 v; V v' I! ~* c& B) X, ?' l- |1 c
<statement sequence1>;9 ~7 Y" H. M4 H" n; `
until <condition>;+ f% b2 b3 J4 t: v/ X: h
(4) for <condition> to <condition> loop
4 u* _) k5 b( _8 T <statement sequence1>;- F8 [: l2 Z6 ]6 n, y$ i
next;
; w3 J- ?- U; c/ W \ w- T3中断语句( |# @# t1 k/ @* Q
waituntil <condition> prio <integer expression>;2 D7 T& j+ @, U- P% i8 y
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, B' w( m7 D; h3 r1 x% s' I8 u1 L以上为常用的函数！
1 N% I5 ^- F- x, w: s还有很多，如有需要我把资料发到你邮箱里 - I$ ?# G* a7 E/ r: ?
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