|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句; f5 N0 T- u; n0 w
if <condition> then
$ j. D7 R* _% s* M# J; u <statement sequence1>; s8 [/ F7 H @9 h
elseif <condition> then! [$ h6 O) q8 g O
<statement sequence2>;( u, d6 T: a0 l7 [7 f
else
1 L7 c1 l9 e4 [& ]& d7 q$ t5 `. q& Q <statement sequence3>;$ n9 N6 E" a! ]( J- g
end;
6 e6 N& v- e9 S2 f4 H! X: u如果分支比较多，用：
3 @/ s, O5 M- W, G9 j5 E; @, f inspect <expression>
6 Y2 f+ |# q1 n7 [% z% x when <constant_list> then, m( r4 Y* W" O( W) ?* r3 Q
<statement sequence1>;9 n% c: {/ V/ x
when <constant_list> then
/ U8 U& S3 k5 P+ \9 E <statement sequence2>;/ G+ G; Q! K) G, V
...5 l4 I2 A4 h( |
else
( J# \8 s/ T, j! A <statement sequence3>;
9 ^* B& v- h! n/ t# `4 Mend;
. L. C% k8 O7 I( |- @7 Z
' c3 F' u# Z! H8 O1 R- h. X) P2循环语句, l- V- \& J5 Z( Z8 Q% b. d
(1) from <statement sequence1>1 K7 O' s( D7 @5 G$ l: [6 Z
until <condition> loop1 B K/ t* I& H% I+ h! E; {
<statement sequence2>;
6 U2 O1 m0 \7 O6 |; @- E end;
5 w: p1 k0 B' S6 a) D3 b (2) while <condition> loop
7 i# c+ ~% J/ U( a <statement sequence1>;
1 ]' X$ X. o9 a/ `) J" P) Z end;
2 n0 J" [% ~. ^# u. Z& x (3) repeat
# U0 q& ~4 B+ _& n0 a: o) ~6 \* j <statement sequence1>;
' @) g2 u( [ v/ u5 H) A' G) V until <condition>; K! P5 W8 i" J1 ]: B/ @' m
(4) for <condition> to <condition> loop' M, V; F& I# O' ~' F4 p! }1 E+ ]
<statement sequence1>;% w' y9 ?8 Z+ u- O; j
next;
! m0 m; C$ f9 H$ r) B3中断语句
, Z+ M/ N4 T( U! V5 R1 A& } waituntil <condition> prio <integer expression>;
; F1 H( h& c: g- A. c5 S9 A5 N1 Y: R; q2 u a
5 l3 b, R$ M b0 T0 m以上为常用的函数！
4 h5 A. Q/ r* A* i: o" S6 \还有很多，如有需要我把资料发到你邮箱里 5 ^5 B+ j w' R3 R1 v
& V' y& o1 z( J
1 _8 m2 b$ D8 i; k' x/ T: G% B; N+ ~0 [
# u2 G1 d: R( Q2 V- Q$ g8 k
+ k) }1 C5 D4 R
& B8 J0 l- n& G% t, ~
+ y) o y i8 g+ h" j* ?. p
9 i5 L) `# G! C5 _: k5 T
( k8 G2 X3 _0 D6 u o( \
/ p" r9 C4 F7 i' d |
|
[复制链接]
