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发表于 2012-11-13 08:48:12
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1判断语句' n; z! I- s2 P. }! e
if <condition> then
! ^7 \5 C, t" S+ X- o8 }; s4 x4 I <statement sequence1>;/ Y& z0 U3 m2 E: v- E* ?/ k
elseif <condition> then
' L/ @7 ]+ ~' q/ V& x) S$ G <statement sequence2>;4 A$ A' j) ^# E& u! n
else 8 N3 y! j$ ]9 A* D
<statement sequence3>;
) Q& Z+ n- h1 s" w; K! A$ Q: ` end;
" [, j$ B. L8 ^如果分支比较多，用：2 b. ] f' E# X! A, v c
inspect <expression>% Y0 v1 b) u4 U* x6 r
when <constant_list> then; s( k0 S8 z! f E, P* [
<statement sequence1>;
5 l7 B9 L$ |6 Q A5 h when <constant_list> then
* m1 @: @5 J/ L- ^0 I7 [6 W4 b <statement sequence2>;3 {, Y2 C( ]# [% G# T$ M& R+ m! S# U( m3 A
...
+ h8 @3 Y7 g2 j8 ? else
A* L3 G$ v3 n( D <statement sequence3>;
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2循环语句
& T% E; g" O9 I: }5 _, t (1) from <statement sequence1>! _- f( w9 `- e/ z( `( q
until <condition> loop
& a9 y3 Y# c% E6 `/ v5 V <statement sequence2>;- c! X7 i1 q4 {/ F$ G' i( G
end;
! y) U2 H3 M P (2) while <condition> loop
* @* ~) m. r; V7 } G! U <statement sequence1>;; t# Z8 n, d$ ^0 a
end;0 ?: Z/ O U# q8 I# ~. g9 a* e1 W
(3) repeat # y3 }' I/ H* C% P6 Q' w# i6 e
<statement sequence1>;) N: f d6 S+ }) _; D
until <condition>;
# y+ U; Q% k) H) s% T (4) for <condition> to <condition> loop- L" M) M* q. N- D1 p" b. h
<statement sequence1>;' m1 T! p' ?9 K) |
next;8 r- k4 ]! E4 S5 ]4 ?0 {
3中断语句6 W- [4 w. \ W( A. h3 f
waituntil <condition> prio <integer expression>;/ H. f6 A, G5 k* a( `- d. K! _ [
8 r1 o) K p: Y4 t; V3 K2 w3 e% M* i
, @/ \) M I8 n0 s! }以上为常用的函数！
* D8 o6 t( M" Q* x1 d还有很多，如有需要我把资料发到你邮箱里 ( `% X/ g6 R( f2 g% c" C
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