|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句& |; I" K) B" m Q
if <condition> then1 a, Y2 ?: C( `% C6 m/ \0 m
<statement sequence1>;
! f( k9 g) U( d elseif <condition> then
% q5 K: V# ^- t B <statement sequence2>;
$ F0 h/ ~' \; g" r else * G# b/ Y i- v0 ^( h, R9 I
<statement sequence3>;
' Z8 w4 p- m* A- k1 z$ E4 l end;
7 [8 t; J. N* _" U& q: X- `' G如果分支比较多，用：* N/ b6 |) J6 n N% _0 O
inspect <expression>
& p! f2 w/ J9 L. M' ?: | when <constant_list> then* M, |. A( n4 ^1 f. R8 I% s
<statement sequence1>;
& e9 Y+ {' Q' E/ u when <constant_list> then
- H) v l2 D" c3 n1 {. n$ t: c8 L <statement sequence2>;
; R' b/ @2 Q9 i' c4 M ...: _0 v' F0 D; X+ ~' }& L
else
5 C6 }7 ]" f* g, z+ q4 X9 p' | <statement sequence3>;
, k' [# l, P Z" }2 w* {end;
* w/ B! Y; q) r1 z1 p1 H
0 A3 l. S3 d9 n1 W1 W- {2循环语句; t( _* e3 ^, [. L* u c" v$ i2 \3 U
(1) from <statement sequence1>- P3 O& ]) ]; _2 |' p
until <condition> loop
R' v; ^5 E% e2 O7 J+ y# p <statement sequence2>;
. ]9 e) P+ C; B: z7 H end;
' Q. h# f1 Q4 r- F2 P1 r (2) while <condition> loop
, H3 s+ i w; V9 f" E- { <statement sequence1>;
5 J' E" k/ C5 t9 A/ Y | end;
, Q" }( |, T) h" @+ Q& h3 R (3) repeat . k) u7 e# c( R) N5 Q
<statement sequence1>;5 }7 i* }0 N7 f( _* w/ [; e, y! h* R d; D
until <condition>;7 c9 {' F1 N/ e3 S8 g+ O Q( H! F
(4) for <condition> to <condition> loop+ P7 H2 z2 r* ]" J
<statement sequence1>;
+ l9 S) q, r9 _- i! v next;
S1 j( d# U6 |9 k& ~3 X3中断语句% K$ l8 D9 |) P4 H3 u8 j& Z
waituntil <condition> prio <integer expression>;; G. ~" O% B2 H0 A
) [" T& ]. @# w
" P2 ]) E4 L, c2 v3 @以上为常用的函数！
" f) `& P; r& L; n! O2 |9 X还有很多，如有需要我把资料发到你邮箱里
4 O. \' p1 m, f; g* i3 A+ Q6 I' U$ r, W% D% ?9 {# a5 s1 `0 s) T1 P
7 j6 i6 N% d; W/ C# {
6 I0 b, l# L" X. N 8 c& \( f) M5 G# {+ ]) G
$ N* e% L; k8 F& ?( _* u$ p
2 N9 V2 I7 q& J j) `( }2 z4 {/ V
) F: E6 l' c- E6 G
+ [( D4 h8 {; Z V1 l! I5 \! S0 h6 ]8 ^% y
# n8 R0 J7 i2 M) Y& l8 S9 s! z8 E
|
|
[复制链接]
