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发表于 2012-11-13 08:48:12
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1判断语句
1 ^. ~6 ?8 M" V9 q: }7 w! @; c if <condition> then
2 H1 @4 W5 }! A2 b* Y" N <statement sequence1>;9 ~+ j6 @' |' K9 s& s9 V
elseif <condition> then
. W5 t# L/ x: ]" H' T <statement sequence2>;
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<statement sequence3>;) m& x( M+ O# o
end;1 o1 `$ l! S* `, u- d, ]) R* T
如果分支比较多，用：
1 I, L1 A a9 O$ S, S- [ inspect <expression>8 P- W! C3 X( L* \& S" H) A5 b% \
when <constant_list> then2 u: W! E7 ]# w! K W
<statement sequence1>;/ f; O2 l% y$ }8 ]
when <constant_list> then
8 H. g" a" D7 j' f3 h& u; D0 }# Q <statement sequence2>;1 u$ ?) l& \1 K# v t
...
8 D; p- D- Q% ]0 z# ` else
6 S4 b9 F0 B) i <statement sequence3>;* k+ R& j5 r- Q9 V8 L
end;4 _# b7 _# T3 R- H( ]8 s
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2循环语句
1 ^8 j7 ]! k1 |% G2 i (1) from <statement sequence1>3 s7 i2 Y! l# E+ K- w
until <condition> loop, E; M7 g8 [9 w! y# G" K4 M- D
<statement sequence2>;7 v _3 x2 G3 {# y9 f
end;$ `7 ?% P9 p' o4 s( u
(2) while <condition> loop
9 G5 A V2 _7 u; g, T3 k$ `4 O! r <statement sequence1>;+ R; C' [# o) e) E/ F
end;9 J2 c$ d! H* a% V s
(3) repeat 6 d9 t; y3 q7 [% f+ L* ^6 q2 N" B! t
<statement sequence1>; y2 q( C0 ^) y
until <condition>;
' W F4 _5 E+ S! Q (4) for <condition> to <condition> loop
, i3 d* ^/ k; z1 r" T <statement sequence1>;
! m* F! _3 E: H2 d& q0 n, f" V next;
/ D6 e9 g! @, u4 J/ M! o3中断语句
4 d/ z# P9 M: q" g1 U waituntil <condition> prio <integer expression>;
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以上为常用的函数！0 c+ _( L; k. h+ b
还有很多，如有需要我把资料发到你邮箱里
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