|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
/ V3 m; e! L7 ?# g6 \7 _* p/ X; Z. j if <condition> then+ z7 z/ l: w$ M* j) M( D
<statement sequence1>;" m$ E9 Z3 d. z; A9 i# y! \
elseif <condition> then
; C% @6 j3 H# ~) s9 ~$ H {0 ?2 N <statement sequence2>;. b: \: M% n0 p$ u+ K3 q
else 9 e0 }! q5 g' b" s9 s& D
<statement sequence3>;0 \5 s: [" z5 G/ f- s- r% @
end;; h% D4 X: g e9 x/ U+ m _
如果分支比较多，用：8 ] M+ d7 f4 z. e& r
inspect <expression>
9 y7 y$ V( P8 Y5 d when <constant_list> then
5 B* _0 Z" b/ P# l9 D7 E7 e$ E <statement sequence1>;
- [1 n2 w/ i, q when <constant_list> then
7 o; g6 b1 T v$ g" H2 Y <statement sequence2>;5 H7 o% G( i) z: o( B, u( x
...2 Y' i4 h* c$ z+ |6 x7 M
else- H4 g; @; A" _4 l* o4 T( W# d$ I) L5 O
<statement sequence3>;
8 z& ?# F1 W! a: i& J( Z2 j9 ~; S5 eend;! M% D# S* G/ d& A' ]' |
. r+ J4 C; G. K- f2 \( Q2 L) r W
2循环语句
1 X; d4 ~+ p4 |3 C: q (1) from <statement sequence1>! E0 `+ l+ k }* K* n7 H
until <condition> loop
$ g8 a2 d% W4 g* o M' f& R <statement sequence2>;
) k- ?+ b7 }: } Y" E4 f8 h k- y end;
+ s$ |+ W9 e& o" r! t (2) while <condition> loop6 p9 T$ M; n+ z4 K0 e' E# Z W
<statement sequence1>;
+ |) A- t; Y p% C end;3 j% c! P; d Z' w
(3) repeat " S$ S1 J1 F4 Q5 m8 `. {
<statement sequence1>;+ l& q5 U7 x |0 d2 z! G% q
until <condition>;. }% P* ]) R8 v8 l/ {5 Q3 r
(4) for <condition> to <condition> loop
6 H: ` e6 ~5 x* j4 L <statement sequence1>; L) Y/ S5 M( i7 R6 `
next;
: `: B4 s5 P: G+ A4 G& I3中断语句
$ ^& Q* J& E: u6 o$ X/ g9 n6 W4 Z- J waituntil <condition> prio <integer expression>;
0 l& O; a1 Y+ S' q; D8 n$ G" o' U; |
, H: }7 B( d* S) d$ H
以上为常用的函数！; T; g+ j+ E' M4 q/ Y6 V
还有很多，如有需要我把资料发到你邮箱里
2 v+ R, F3 q B* s0 m& E6 o( Z b% C7 K1 O* f
* h7 Q( Q7 O, Y$ O4 Z- X# Q
/ A! l/ ~5 Y! L! @! w9 A# P - X! N1 D3 C+ x( H5 h [
- v; [( j5 c: P" M+ z5 E- I# v
% F8 L, @2 D6 Z8 H1 ?2 o. ]( n, S# c3 r
$ ? j; P6 M1 Q" R) l! V% V
( F v+ q" A; X( f
) [* f9 M- S2 o+ m8 u |
|
[复制链接]
