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发表于 2012-11-13 08:48:12
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1判断语句
* c k6 B' `& b: v P" H1 n. _2 k if <condition> then
/ m- i% M/ ^; s' s <statement sequence1>;
' A8 S, a8 D, l% G2 N# V- q/ g0 J elseif <condition> then
' P: C: }1 U0 u# n& Y <statement sequence2>;
: \( k( c7 e6 S5 J" z else / o" Z; e8 D; L, I& I
<statement sequence3>;
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如果分支比较多，用：, G$ `8 X# e" O$ g
inspect <expression>( B* r( }& _ x0 g3 ]7 w
when <constant_list> then
" c8 z4 c9 o" K- C7 ?* v+ h <statement sequence1>;
% Z* j: P, x7 P& m" G2 T$ i4 S/ Z when <constant_list> then
5 u* P9 [0 F `) Z8 t <statement sequence2>;) t l* A; e1 W# ^- K/ K
...
* i% j7 l4 s! T& v8 L# e else
3 a8 k7 W* k0 B0 X! M9 Q2 G <statement sequence3>;
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2循环语句
8 E$ U: ?9 ~: k# M. ^8 s* ]" D (1) from <statement sequence1>
r9 ~0 O( P5 ^- n! G. x% @ until <condition> loop
0 H$ Y- N5 d l <statement sequence2>;
; U' ^ J/ u6 D2 I3 K* L+ ` end;
# O7 w3 w2 G( i (2) while <condition> loop
! U) E- |# |; Y5 o' L' o <statement sequence1>;
1 v4 r# L. N* s* _( w6 K- K1 }' r end;# }0 J* W* w7 L3 ^! h1 {" F, u6 v
(3) repeat ( U4 ?4 W- N6 ]
<statement sequence1>;# ]& _% H4 [3 N! C4 S k, ~
until <condition>;
- S6 D" Z3 T3 v4 _* R5 ]" | (4) for <condition> to <condition> loop
/ c5 y. y0 z6 k5 @. X- X <statement sequence1>;: p( o$ D0 ~9 k* U- A
next;
) P/ i/ [# Y2 K3 x3中断语句9 _3 g. w( T# ~9 {5 u
waituntil <condition> prio <integer expression>;. B- U7 K- M" c/ a, T
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2 z5 f+ u+ V6 H, N以上为常用的函数！2 i3 A1 P6 O) F. N! {' y/ Z/ ^
还有很多，如有需要我把资料发到你邮箱里 k8 }6 `, A1 F* X9 @
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