|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句1 d7 I. W6 T0 J2 | t D9 Z
if <condition> then2 h8 G3 q* m5 a( P; J& D% V5 [( w$ |7 l
<statement sequence1>;
% q+ w2 j) ^9 A$ a; M+ b0 w elseif <condition> then
; ], Z2 ]6 Z% y4 J1 D4 i7 M5 b <statement sequence2>;
9 c: O4 l3 d" y# c4 V m) K else
: Y- f/ D2 x* A! ]5 A4 z c% v <statement sequence3>;
# ]2 {% M1 b4 A end;. z) `7 z7 @+ I; D( Y" s
如果分支比较多，用：
0 O' U" g7 j; T% K; v/ l. |, _ inspect <expression>
- b E3 c. x8 `) ~! t5 {, ?$ O3 K when <constant_list> then
# K% u2 ^0 I+ |! | <statement sequence1>;
9 W: F8 j4 g5 ^% R6 r1 i when <constant_list> then
% ?' }9 a9 u+ b <statement sequence2>;7 T2 f9 R+ o% J% A& M
...4 s3 Z- _# B9 U2 q% ~
else
1 O1 A7 n, A P% z' k8 T+ f <statement sequence3>; _! D1 R& k3 u: k7 S# X& j5 E- Y- f a
end;6 d5 \( j8 q/ H, C
3 u' @9 |/ d; I4 [* Z
2循环语句" Z' L9 A Z$ W1 i4 y
(1) from <statement sequence1>
2 K) O1 x6 V; f7 |* r, t% ` until <condition> loop# }2 k0 {4 J; U* D6 p P; v+ L, t
<statement sequence2>;2 e' H6 X. c( w+ Z- y
end;
0 L4 P4 N0 m8 b. ~$ Q) |: v* U (2) while <condition> loop
2 _ V/ D" Q9 X: V& y8 O- d2 @1 L <statement sequence1>;
6 d) n! J8 K' X3 U end;
8 R4 y' Q3 h0 c( Z4 h" J+ G$ { (3) repeat 7 }/ c8 V, M& d' s! Y
<statement sequence1>;7 Q& P& J7 e, N9 f% {! y/ i: ^0 E
until <condition>;3 U/ c/ J8 b" w1 w- L$ X# q) U
(4) for <condition> to <condition> loop3 T1 [% ~) q! W
<statement sequence1>;4 V+ e) Y4 m/ P) m0 Z+ d9 b* I
next;
9 L# P. r5 L. _+ d! J3中断语句# E7 t- G6 `: } _: N% k" p
waituntil <condition> prio <integer expression>;
9 A0 `, n2 ^/ X2 I* m0 P9 D+ n @% a" O, T: M1 p' M) ~
0 |( l0 L( u5 R+ o# r8 b以上为常用的函数！+ J2 ^- ]% T% A M
还有很多，如有需要我把资料发到你邮箱里 ! I9 ?$ m! B" Y& s- K
4 J4 e) ~+ i# W: z& l+ U; @
# h8 U, i1 z1 m$ R! M0 {2 E: z) D( E+ M+ r# K, S
% l% k% W. i" P, a4 y' S C" t
& \$ a1 i: ?, D% j ]
1 j0 L4 s% h: L! {! ~
* I0 `+ p0 n& u) K% u0 l
7 z# f3 H) b2 C9 n! c0 ?
7 \- V* s1 r$ ^# w1 a5 `
9 w1 {) C0 i7 b" Y9 T |
|
[复制链接]
