|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
$ f6 `$ \* c. T+ D( W$ s, ~ if <condition> then4 J- G; {; z" t. o, o" A9 E
<statement sequence1>;
' R" g6 L' X7 D& O elseif <condition> then
$ S( o$ T" E/ T" r: a <statement sequence2>;
3 g2 K: V6 u/ f* N0 Z: E/ Q; ]- d else
: m! l2 Z5 g- q& K6 a <statement sequence3>;
0 n0 Y. G+ ? c0 h; F end;. V6 G6 e9 P6 H0 j6 @. ?
如果分支比较多，用：' \* \9 M! @) n
inspect <expression>! i2 I6 k; R$ E) _/ |# c
when <constant_list> then" f1 m) F1 S& D" U0 ^" n+ {
<statement sequence1>;
2 o" U5 S+ }( U' T5 `! y/ H when <constant_list> then" e' o- h" A6 S) A' {0 H
<statement sequence2>;5 v- }: D3 d( o) F9 z3 P
...* j" L% U7 P! N5 j& Z; j
else$ I0 C2 e0 T9 L# c4 x6 w
<statement sequence3>;9 v; U; w% f$ ^2 q" C6 f4 o& P, [
end;
: |3 g4 z6 h9 G; p# h
& V& x- Y9 ^! n2 x2循环语句$ @; m% x% d8 H( M n( @5 g5 [* r
(1) from <statement sequence1>7 e, T {4 p8 J1 f0 u
until <condition> loop- F7 |& w1 ?; l* X. R& Y
<statement sequence2>;
: `% l/ I& G: j0 F$ r end;
& F1 R2 i6 S# o# Y7 \ (2) while <condition> loop0 S Z- x0 C' Y3 X- V5 U/ J
<statement sequence1>;* D; K! D4 o+ G2 W& D
end;4 ^6 O- {3 ]& r( ?' V
(3) repeat - L, D/ K: R' b) \
<statement sequence1>;
+ @' m3 j0 v' B4 t. G5 C( _ until <condition>;
$ i3 J, e+ Q8 n, M1 b (4) for <condition> to <condition> loop& j+ _5 e' b. v V# E8 u
<statement sequence1>;
, c# ]) n) N2 x3 d6 M next;
8 F6 P2 ?" t+ s2 S$ M W1 c- \% _+ W3中断语句
9 l. [1 x; G& q. C8 }7 X) R! I, x waituntil <condition> prio <integer expression>;
3 ~1 L: m7 g/ P$ t K/ K8 H
6 T8 |% J' D s' f* U
0 M+ A. G- ]+ K0 Q5 X& ^以上为常用的函数！ k/ e+ @% j% D. J4 H
还有很多，如有需要我把资料发到你邮箱里
1 t* Z0 |" i$ K% x) J9 o4 A
% H# u) y9 R' f+ A$ \" k% P+ J$ C& z5 |* h0 m/ {
5 F0 I9 E6 E! z6 f) C9 C/ ~5 b
. x: A3 e0 t: l" S6 P$ q
. Y# f: P5 Z" \8 D" o9 J$ v; e) U$ j% V, T7 \) Q
r d, m o3 t+ c7 s
1 S8 G' m5 G- _4 t2 ?5 w" X# w( t5 S, j" V: Y
0 P: H+ s! n, g/ k1 d& c5 _& C( } |
|
[复制链接]
