|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句! r1 V4 _+ `' l
if <condition> then
: J* R. J; z6 m' x0 x <statement sequence1>;* a; ]$ y$ [+ t: A
elseif <condition> then
: H9 x. Y- t! Q# ?% `1 y <statement sequence2>;! u f/ c2 |- I: v' {( A5 c
else
, t: T4 _# }# W4 a$ ^/ z$ v <statement sequence3>;
; C% R6 K& s0 x end;
$ N: t3 ~! q0 a% F9 |" u1 m如果分支比较多，用：
2 ~- B! e' ]: \) f) G inspect <expression>% ^+ \4 N/ M4 r g0 @% K
when <constant_list> then- n/ i1 g/ [5 Z
<statement sequence1>;
: y( Q- B4 \6 e when <constant_list> then! y7 F# z: J2 m8 _* K
<statement sequence2>;# {; q( G$ s" y4 P- e
...% ?. d2 [; U; w' V4 I( o% {# N
else
7 Z& T% O9 E8 r8 I* D <statement sequence3>;) ]! D8 X6 |7 |
end;
( B' s( t' n) a [$ `( w" F( t2 `$ X& G4 Y
2循环语句
/ W& o7 `5 t/ t- X' | @* d (1) from <statement sequence1>
S7 c+ v% l9 W' H. _7 A# R until <condition> loop
$ w5 h: H, D( d! w <statement sequence2>;
5 Z* M, R$ ]; x8 Z! ] end;
) ~3 {' {6 o1 T) m' O* ? (2) while <condition> loop' u4 g) i# J5 r% m5 q- |
<statement sequence1>;
. K' @# M" S) x- |- } end;! f; I4 V. G, ^ X
(3) repeat / s* t, a+ z& k9 k6 e5 @ o+ u' _* Q
<statement sequence1>;0 R3 W$ f* E& T8 S2 q4 v
until <condition>;5 Y+ a9 a, m( S% Y8 s
(4) for <condition> to <condition> loop& L! ^" r; y8 ]/ S }# G
<statement sequence1>;
- O# m/ ?8 I% x9 `* F2 D( s* G next; I0 o/ p: p9 f# v
3中断语句" `9 V. e+ A6 i, h" W# H
waituntil <condition> prio <integer expression>;
7 U4 {# e! \% y8 u/ P. G g/ O* f! g( J- a6 [1 [ Y
$ P( G- R& j2 I: B
以上为常用的函数！! t9 Y; X& M9 V* a N
还有很多，如有需要我把资料发到你邮箱里 " i& S4 c& t4 w
E1 B1 [" v* D$ x( [8 c3 `
4 o( p. f! V+ n* E5 G
: N4 i# b! c- `" E 5 s" M+ g, l' O$ U5 g6 m K
0 B1 B+ [8 R! x3 ^
7 X m/ J' V' O& Z2 e. o
( u0 _- t& F6 b7 l$ @6 p/ k, @, t& j! w3 U1 O) C1 I
$ W: \. q" W7 H4 i2 B# N0 q H4 c - J' x3 L8 u: `
|
|
[复制链接]
