|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句" X5 E4 z- @9 F! H& G
if <condition> then6 ]2 U" j4 y6 f2 a
<statement sequence1>;
* B5 T+ [3 v, K elseif <condition> then
9 H0 p9 s' G+ Y. Z+ f <statement sequence2>;
0 {- E+ P7 f/ i4 L8 I' T else 9 r* j4 }7 u8 s6 p: g
<statement sequence3>;# R6 T. W2 j- ]* m
end;2 C$ V$ J* h9 s! D6 O3 \
如果分支比较多，用：
, {- ~% g# t$ Q! G K8 I X, Z) m inspect <expression>
4 l/ q0 }: T4 u2 I' x3 M when <constant_list> then
/ I3 M. ?8 g4 M7 W <statement sequence1>;
4 M0 ^1 Q0 F5 H" B# E* T. A when <constant_list> then/ w6 _' j w6 h. M/ o2 j: o
<statement sequence2>;# R% [6 |0 ?4 B4 u
...
3 e' t/ ^/ q9 `$ z1 G else# N) _1 K+ L6 X: S
<statement sequence3>;, \3 b- _7 b* U
end;) `8 @* R4 `; P3 U) g
% `6 _1 W. g# z: D9 W
2循环语句
9 K1 J/ N& u8 T# r" K (1) from <statement sequence1>
3 o* B. P" K6 L& t9 J until <condition> loop, @, A" t8 l1 ]
<statement sequence2>;& h1 d0 M2 u' F/ V* p& _
end;
6 p( b( q s, p7 D c" D (2) while <condition> loop
( ~( U: c% S+ z2 U* U, ]& y <statement sequence1>;
% P2 C3 i4 B) N% j end;1 C' u) }8 l) ]; @/ Y! O7 b2 v" U
(3) repeat
- p; I( G2 ]" Z! H7 o. v <statement sequence1>;; ^* o: ]1 ]8 ~, g" ?' U2 T
until <condition>;
# U% e* v7 d( Y# l (4) for <condition> to <condition> loop" n$ E1 z! L; E# C/ R
<statement sequence1>;
( K2 ~3 d9 H) f7 d3 G: G next;! z+ i; w6 J9 p
3中断语句8 \5 ~# I9 Z" Q1 T+ S8 o# Y7 g
waituntil <condition> prio <integer expression>;" I. A" h0 I% O+ Y2 `
7 [* ~! h& { R* W$ E: g# R5 f# i& \
0 Z7 x i6 i5 e+ k以上为常用的函数！
3 g' v/ v* N$ I! W还有很多，如有需要我把资料发到你邮箱里
5 u2 a( `# j) @* d0 Q( t
' C P& x0 b8 a0 y) s
+ d. K9 A. s$ X4 Q! e6 y6 k' N: p" d# |1 s
4 V, U* N+ L3 s! N! j/ M/ ~
6 a( x/ K4 Z# R5 I+ y3 v+ h. U% C) e/ f% t' |+ y7 D7 v) o
& _3 I1 J% a6 r4 c0 _* E; f
+ \, o+ L( _* _( w* r1 e3 Z3 Y* U# b, v
! D- W# \( w; v* J
|
|
[复制链接]
