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发表于 2012-11-13 08:48:12
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1判断语句
( i2 ]" R4 f6 z5 k3 m5 h if <condition> then
* A% U1 y4 E* E <statement sequence1>;; J# J2 U5 N; ~- Z
elseif <condition> then
2 E5 B+ o( I0 B! v+ s7 X, X <statement sequence2>;
5 X+ Y6 v& D4 z E; a$ K& n else
6 g* [/ x! E0 P9 |2 ^ <statement sequence3>;$ j2 w/ d- A# E0 ~) A$ e }
end;
' |. G% R/ N0 L% R5 S8 Z如果分支比较多，用：" E7 N" s0 o6 q: y5 _. ~, ]/ n
inspect <expression>
$ M1 ^, d" T' K# Q! S2 G when <constant_list> then4 L6 @. j% g( w- x) x- i" B+ E6 s" j) g
<statement sequence1>;. X; l5 B6 E4 n6 H6 G U d
when <constant_list> then) ?0 a& s6 z( q0 l
<statement sequence2>;
" h0 o( i' z7 X8 B ...
4 @1 |, O6 z5 E! {$ ^ else
9 T F# s: }/ k, h, Q/ X, r <statement sequence3>;" S ^- u: u: ?) f% H" s: a
end;
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0 X& d" C5 H( u$ ^2循环语句
) O6 D8 w5 F& ~# ^ (1) from <statement sequence1>7 ]; f; R, b3 s7 c! c7 N* J
until <condition> loop
1 y, W4 \4 F& h7 E <statement sequence2>;( P) F* V m U7 d4 E3 l6 [# P% n" r& k
end;
) F% ~" C# i) h (2) while <condition> loop! _! k Z' [ z# _& }' b6 m
<statement sequence1>;
9 E) k' [& h Q+ S6 \ end;
z7 Q% m/ x! K8 G( c (3) repeat
/ t+ M4 ]# @0 c# z <statement sequence1>;
4 g! [7 B7 E" n; G9 G. o! J until <condition>;
6 b7 q1 b& J) q4 j2 o+ k (4) for <condition> to <condition> loop% s# _$ M+ m/ @# u* l% N
<statement sequence1>;
# ~1 c0 V" y( O R B4 m4 W next;
1 W0 L. X6 E' g- J7 `! X6 u6 v3中断语句7 `( p: N7 X) [& ]
waituntil <condition> prio <integer expression>;
, \3 u6 d3 D* L* ~. C- B6 A2 p3 }) K$ W z6 O. E, P; f
) z" m1 z9 q% K/ r6 @以上为常用的函数！
|4 ~& ~- ~/ J7 y8 c6 v. b还有很多，如有需要我把资料发到你邮箱里 + ?) J) C8 e- P( M I) M+ d
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