|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
$ s( u! z% a0 C if <condition> then
& D' V$ F/ o! y9 C* g P <statement sequence1>;
, U% Q b+ b- P* E% w3 O" ]$ x elseif <condition> then2 l0 n- f5 y3 D; T0 H6 {
<statement sequence2>;% f- g/ y+ h4 L) A! R/ ]! U( U
else l2 `: q1 F$ z0 `7 p# j# G+ W
<statement sequence3>;- @, _& ], g5 \1 A5 g5 v
end;' [. M( H1 C, y" T( m
如果分支比较多，用：
F1 M2 H- @+ \5 X! n inspect <expression>4 ]( q# R1 p! ^8 ]
when <constant_list> then
$ W. y U& ]0 e <statement sequence1>;
6 w# T* I; l( i3 I% e7 { when <constant_list> then
" T# i- ?+ x7 S6 m5 n9 z <statement sequence2>;
' k. M# V: l" a+ P( u ...
, f7 i1 a1 X9 \* o4 O else1 b1 A" Q# k- T8 C$ B
<statement sequence3>;
" i3 E8 Q- x# U/ cend;9 e1 k4 U! M& i9 I* J$ b
8 R9 q' H J; H8 y
2循环语句
" Q3 R; n& e4 U# ~ (1) from <statement sequence1>
( @5 D1 o# C& c/ c5 b$ ^ until <condition> loop0 g% v6 Z: W4 {7 y
<statement sequence2>;6 q( H5 G4 W w3 p F
end;
0 z {4 t6 ]7 `8 W- Y, g, @ (2) while <condition> loop+ I& o7 G" z7 Q' O
<statement sequence1>;
6 M2 R5 v, ^# e9 o' t end;. p6 ]0 m# _8 r# L0 k# z0 X
(3) repeat
/ C7 `6 C: ^ u A <statement sequence1>;
4 R. l% O, c7 q2 @* z5 t9 B until <condition>;
% c- k8 V* y$ P (4) for <condition> to <condition> loop& V7 ~2 S, X2 e, j! @5 W
<statement sequence1>;
4 G& |" O/ g6 W7 @4 w! t3 \ next;" x& @( r2 u# F. G- X' r6 T1 s) ?
3中断语句+ z! k# r' Z. v
waituntil <condition> prio <integer expression>;# R" o6 n6 h. s5 r N" ]8 [
) W8 F* h0 ^2 R- Y! D @) C' u2 @: B; Y4 j: Z7 p4 Q9 O
以上为常用的函数！
' B* e) W0 b1 S T% [* c w: L3 B还有很多，如有需要我把资料发到你邮箱里 8 [$ ^! s% k4 s
0 h* {# _6 I2 u
) F0 S6 y& Z8 f1 V! n& G
5 D C' h; c9 W8 O3 z! C: M" F
% ~5 z+ Z: `" l5 Z6 B4 i! f7 ~! S2 e9 a( N* C
* |2 J. [' @6 n+ D8 k2 _! p' A
) m q0 Y" Y+ [0 `; K! j9 B7 |8 a# [4 @, t/ I
3 x' ]6 m" _- h* V9 H
9 d# ^6 J! d% V
|
|
[复制链接]
