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发表于 2012-11-13 08:48:12
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1判断语句/ D6 V w; U5 z# b
if <condition> then
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elseif <condition> then
( B1 C* D. w! I7 O <statement sequence2>;- i' f% M9 d% a
else
' E/ g$ [) j1 Z" ?+ R" d# h& @$ S <statement sequence3>;
, b+ G; K% C, K! o end;( V8 }2 T8 U9 A/ m
如果分支比较多，用：6 T+ w& {# H3 |% N [+ v' R4 |
inspect <expression># n" P, ^3 E! }
when <constant_list> then
) _; W# q; Q8 V1 ^; H" p( o% L ] <statement sequence1>;
# N7 i( ?6 [9 |0 k3 ]8 d. { when <constant_list> then
1 u6 q2 K7 c9 Q' Z0 r, z+ E7 s( Z <statement sequence2>;
! M, M+ @6 c7 _! `" D& X4 \+ V ...
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<statement sequence3>;2 f9 x, p6 q( b# O y& A
end;
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2循环语句
. r. v+ b% E) X (1) from <statement sequence1># R8 t* {0 W6 u5 E" @
until <condition> loop! \2 D7 V/ C8 U/ p$ u
<statement sequence2>;: [& Z; j* H! S
end;
* ~4 v* U, K# X (2) while <condition> loop* [. s1 K* t1 k/ \1 |1 |& \
<statement sequence1>;
6 V3 l' b$ j) _+ |8 ?& w/ x: h end;
& V3 L* q" J! R' z# z: ` (3) repeat . T3 L- ^ M$ o1 R# e) b/ W* z/ F' O
<statement sequence1>;
2 M A R; _# @+ h/ I until <condition>;
: V0 n" q5 V0 r j (4) for <condition> to <condition> loop
2 d' Z3 J: }! \' { <statement sequence1>;
- J ?( I1 o7 B$ w8 y next;, J8 O3 k9 H9 T! r0 Y2 \
3中断语句5 l3 M2 C4 j! O( m
waituntil <condition> prio <integer expression>;$ g* @. p1 M* p- b" {; Q
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% z5 N4 h5 u% K0 I以上为常用的函数！
^+ n( u' A7 m% r还有很多，如有需要我把资料发到你邮箱里 a" ~& \7 f( `' c& q
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