|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句* B* g- Q {; D
if <condition> then
4 z! F. }- W6 g m( q <statement sequence1>;
' w2 \( e+ [' x/ @/ G3 `$ } elseif <condition> then
4 D& k& H& y$ ^ <statement sequence2>;1 [- ~4 D, _( _0 |4 A
else
/ X9 l9 r* ^& j <statement sequence3>;; k2 c$ ?' w, M/ M0 M4 m
end;$ I- |9 O: D, S, [8 d& F8 i
如果分支比较多，用：
5 z+ x* g! b& ^$ o$ s* h inspect <expression># P7 S; U! B3 x
when <constant_list> then# N' F/ {5 q/ Q$ Y! ~4 m' k3 u3 W
<statement sequence1>;
. u8 U T% h- R! p1 K$ y1 O, B when <constant_list> then- F2 c+ W5 B3 \ a5 f
<statement sequence2>;
# T; ^5 a& q2 R9 |- ~( m ...- a% q3 C- [/ t, F0 t
else
6 {1 y/ ?* \: h. I7 d2 _' n! ` <statement sequence3>;% H4 V; R9 L& A! t+ g
end;, C; m1 k4 E. `; r
( N4 W# s& h" Z y6 ?. _, S2循环语句
. |2 @6 u) B K0 t& p2 z% M' |& ` (1) from <statement sequence1>; V$ @, D& l- } G' o$ o
until <condition> loop! b, t0 @+ H8 J7 L/ j' ]6 _
<statement sequence2>;0 l5 l9 \( h- x) Y4 d6 b
end;6 G, g0 p( i6 s3 y9 o
(2) while <condition> loop7 B& Q" `% b# {$ ]. Y
<statement sequence1>;- a, `, X8 K' r4 g4 F) W3 X
end;
0 C1 E% {) W p9 q6 k! l (3) repeat
( F; p* _; a1 D; x ` <statement sequence1>;5 V" T9 G7 A; Y) @
until <condition>;; [+ E h9 d- v0 g
(4) for <condition> to <condition> loop0 Q% D+ O% j$ B' G* |
<statement sequence1>; N5 Q1 j4 M7 O s" f, n- P* t
next;
- u8 \' j$ q: j# N. f* D: o6 g3中断语句
3 {+ Y7 @; \( ~3 p waituntil <condition> prio <integer expression>;
. g0 i5 H& Z% y5 M" O- ?) E
9 b# p4 K- L7 N( N8 ^8 ]0 e( O
, R4 |" W- S1 t0 I以上为常用的函数！3 \$ G" s+ t) ^6 O- Z% _% C3 S5 k
还有很多，如有需要我把资料发到你邮箱里 ! O' M# g. l" C# K) q- ]
5 ~$ s6 j2 ]/ D" z7 b( Q) V5 e, B
8 F% g7 l' V! a/ {8 u( A" m i
! ?: l/ h1 H2 I6 |
" O2 {% t8 G$ S* `
) s$ J G/ u6 X, T1 { a. {7 ~9 H9 {; e! M( `( }4 |9 {( }$ B& q" I
) s. ]0 X N$ k- S# m9 p! g
& U3 c7 d& Q& E* U
9 `) b; T& C4 F , m [$ N2 z% a9 M5 m' _
|
|
[复制链接]
