|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句: T4 b0 A/ Z; z& s
if <condition> then4 Q9 X! L1 M) C" s3 D+ G" n
<statement sequence1>;' A; S% B- l' B" U
elseif <condition> then
4 |+ G; F5 F, L <statement sequence2>;
7 t! g7 k h* C i& m* P" I else ! F+ y* H( {2 S+ |4 F0 X6 G7 F
<statement sequence3>;: D; {. W$ k: e' @
end;
. c& v7 T0 X3 p( L6 E$ J如果分支比较多,用:' R3 C: ^+ ?$ {
inspect <expression>
9 \$ W2 b& z6 l, { when <constant_list> then
5 E3 @9 i5 s1 O2 c; V1 V R <statement sequence1>;) `4 ?( F5 ]+ P& D
when <constant_list> then$ z; @- k3 t5 O* H
<statement sequence2>;3 [" |& p( e, {- f+ ~
... O2 V$ d5 N# d! t6 I8 ~/ k$ g
else" c& N* T, g! S
<statement sequence3>;5 p8 O' N2 A9 |
end;: Q6 B0 X- {0 N( ~" O
5 H( G E! J3 {- j3 A2 k
2循环语句4 y% F% S. z- U3 Z& q3 t
(1) from <statement sequence1>+ Q3 p. s' z. U0 q
until <condition> loop* k9 o ]7 @" Y D. E
<statement sequence2>;
+ r& T" \+ I# D! M& U end;
: G+ g- @& n' J (2) while <condition> loop
. H; B& U' ~' y( V( W8 o3 t <statement sequence1>;
, `6 |- e! m6 i end;6 h6 j* n/ G1 U! q f9 [2 c) T
(3) repeat
- y+ I# g6 X, ]1 i C; F \ <statement sequence1>;
' _& B; v+ A- K1 w* b \( t until <condition>;. f$ B6 H' `& ~: A" Q9 a" i7 N8 D
(4) for <condition> to <condition> loop
$ p& F- X& b1 Z: ^# o; W) S <statement sequence1>;9 Y# N+ F' m7 Z# |( |
next;
# p* p* _. Y6 A. t3中断语句- S5 d. D+ o# S# i4 f
waituntil <condition> prio <integer expression>;
: ^* F! c+ Y- v3 V4 O) q: ?, m q$ [9 ~/ G
, Z) o* t4 `5 d以上为常用的函数!
! Z1 U& m4 ]) r* W, D( F0 b. `还有很多,如有需要我把资料发到你邮箱里
( J' p0 N; ~1 c: s+ a& c n4 p: E) B/ r
7 X* W) t% P8 L [( F# D3 n* w& g
7 b" {: G8 s( F9 {# B: s% S
0 f0 _# q8 i3 n8 e% H2 E6 O5 F. f& {
) _% u& r3 h( L3 n
[1 _# ^) c( F( E9 f7 f: W6 n: U) k* ^5 z% m' O A. M2 E. w
' W- B3 S8 o; e. A. A$ V
- _9 b1 n& h- [& c ~5 k' w: L |
|