|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句' P2 n" C9 f$ `
if <condition> then' {( d+ I; l2 P
<statement sequence1>;
! O/ k9 F1 k1 H9 g2 h$ K: n elseif <condition> then- L& |% ^. n! u f
<statement sequence2>;8 F1 c @% v2 U& Z
else
8 T! O; |: F1 H/ g+ ^ <statement sequence3>;: a0 j8 f. G" t1 a9 H2 a/ Z
end; K' `2 K, a e# K7 [6 j) n6 i, e( n
如果分支比较多，用：, n' p6 l! \6 t. W
inspect <expression>1 M1 L0 t4 W, K8 S. ]
when <constant_list> then
3 X* [, `5 R# E& y' z8 V. K" [ k <statement sequence1>;5 N$ L4 F9 R: a6 O6 V* l
when <constant_list> then
* I2 H/ U/ u7 ] <statement sequence2>;
$ X! e9 i+ C1 e, `, W; d$ e5 r5 K ...4 B' x$ C7 E y/ Q4 x
else1 D2 r, S: a/ A. K* T3 U0 J- X
<statement sequence3>;
! U; e7 ]0 L! X( Z8 n( Qend;' s* n, `9 c* k( M- W
3 f2 T1 g" { R+ F" s2循环语句4 P; m! N, z( `5 l" H" C! z/ B
(1) from <statement sequence1>7 x! ^) r; t+ x! e, I) l
until <condition> loop
( x- n$ M/ X1 I0 i' ]; T/ | <statement sequence2>;
Y" m. K6 _" w4 u( r0 Q6 ] end;
/ A' R, ~6 K' w& [9 W. B (2) while <condition> loop }# ~# E L+ h8 i2 p
<statement sequence1>;
* A1 z; c1 ^- z/ @# ]2 ?4 b end;3 p4 e3 F3 L/ e$ X4 |2 {
(3) repeat 7 F# I2 Y4 C; l; t- C
<statement sequence1>;9 O0 U; c+ ^ d P6 W
until <condition>;
! E# R$ ~' {1 K (4) for <condition> to <condition> loop: R* k6 {& u4 K9 b$ a
<statement sequence1>;
+ x$ b8 h$ J0 q N g! g next;5 w- Z' j0 j4 @+ B, R' F
3中断语句
5 P9 u5 \9 d& V& j( `' S1 U$ c% R9 j waituntil <condition> prio <integer expression>;
) X9 @2 P8 E( D6 L
4 m6 H4 |- K" e
; }: a( W! D9 M以上为常用的函数！
$ Z7 w3 r( ], u" h还有很多，如有需要我把资料发到你邮箱里
# r8 l0 Y+ Y) S' {& B: Q f
9 ]; E: n" ?; B: ]' @( }' T: C& h6 ~, W7 c& ~: ]; u
7 A+ P: u( p: O& h7 P# z5 [ . J/ D% y* s- e" ~* n+ R: h
0 J4 G& A% s! f8 x: i9 A2 G0 I
( V r6 U3 I6 ]) J
; r2 n; Q3 a9 i$ f2 z0 i" S
; e a x$ L Y a1 J: }- I( }1 C$ y5 d; X, `) [
m1 C/ \6 L |1 |
|
|
[复制链接]
