|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句2 l' L* ~- a6 L
if <condition> then
7 T% G* V! E K6 A <statement sequence1>;
# K4 Q, {( q& D! }* L- B% s elseif <condition> then4 O6 n4 U: T% e5 C
<statement sequence2>; q* O$ u! ~- ?7 L* K! b* g. ? U& H
else
{9 h6 q9 b0 i- L' R0 K. `* C <statement sequence3>;
q3 d) e( ?$ f end;( G. O1 [, q! b% C# i- Z
如果分支比较多，用：- T: W0 b- a8 m8 D3 G3 h7 W! b" ~
inspect <expression>1 X# g/ F/ ~& t l% M9 w
when <constant_list> then$ \. `, B4 G# ^8 `9 `$ y5 }
<statement sequence1>;$ ^1 x* d9 f2 v w
when <constant_list> then. g9 U: Z$ o6 s
<statement sequence2>;
2 D; e9 e% t# M9 S2 n+ }$ P ...! |( u* h* m% {- F! Q/ _8 z
else$ ^- X9 f& w! o, |
<statement sequence3>;% n# u% ]# ?' }$ q# p" F2 o: R
end;% t5 u1 c( Q5 h! D$ K, s; P- z
) ?5 Q; B+ e0 g) B9 U' v2循环语句3 W) g. V8 h. s! r- h
(1) from <statement sequence1>0 d7 i: ^- o6 }* o, z
until <condition> loop
, G% W+ B0 S4 [5 F, ], h( k! |/ W <statement sequence2>;
4 R/ t9 ]3 g- c1 R. q end; n4 a4 o/ r. `4 n
(2) while <condition> loop, ]5 s1 ^; A+ n8 {* u
<statement sequence1>;) ~9 m0 o" K3 c3 {, L& `1 n
end;
3 T# F" T- k- H! r (3) repeat
# K1 G6 u' }* Y' l# x <statement sequence1>;- H9 M6 i/ T7 `) s! \ C
until <condition>;
1 s7 D9 N U8 H$ m3 Z (4) for <condition> to <condition> loop
$ q0 `# b! l! d <statement sequence1>;
7 `9 }% p3 ]# X* ^3 ~' O next;
3 u% U! m5 B" k k5 W, I2 P, s3中断语句
P* x* t6 x: J% u/ D waituntil <condition> prio <integer expression>;
5 b- @8 W0 S8 q6 ^+ b8 x
0 i5 |) e5 O Y
- x; Y0 C3 M( G' f+ c3 J以上为常用的函数！# e3 A: n! o, ~) X) c7 x: M* J( ?$ F
还有很多，如有需要我把资料发到你邮箱里
# r# F0 G h) x$ J) b3 `
! \- Y) m1 u3 t. T( Y! w; y# X7 s7 j, H4 ]
7 e p3 H3 L: [9 @+ k' a
' k4 _6 S# k' z$ P# E5 P, f0 N4 F2 }
/ ^0 d. F( n5 z9 W' t0 _/ f1 f/ {) O4 m6 J" O8 B+ r) X
0 g4 y3 L1 q. Y1 C9 _
6 M3 x0 c+ ]5 I$ ?) n, u- h. ~, I
. {$ @6 q2 @4 w$ Q |
|
[复制链接]
