|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句 S3 a1 j9 I9 }* O3 a7 z3 V
if <condition> then' X) c4 ]3 E( M
<statement sequence1>;* M7 e* W* [9 z4 p
elseif <condition> then" y8 T: @5 g" p
<statement sequence2>;/ t% g/ h; I& Z1 i8 j1 L% _6 b
else
- p, A5 n( @3 i; g+ i. L$ c" D <statement sequence3>;1 ~2 p! z; n3 b7 ^" \* ~
end;6 y+ e7 C z+ i+ E
如果分支比较多，用：$ |' {- Y, R; N7 ?9 N" f r" X
inspect <expression>8 ]9 T* w" Y; `8 ?9 _% j
when <constant_list> then
% [0 p4 i3 Y' ^/ H( a <statement sequence1>;
" A/ L: B4 ]4 A% h when <constant_list> then
( M$ u- K7 y! ? <statement sequence2>;/ c3 j# F- ?; n! P
...- m8 {" z9 E9 Z+ n. B# `
else
! U/ ~ d Y2 P: z, s( j8 o3 O. [- ~ <statement sequence3>;
: G. M1 K+ x" z2 jend;
9 {; T( N9 K- }: p+ @$ I& B" R4 {; K# U) W0 H6 p9 Z% J/ E! S# A
2循环语句: Y- c0 p0 ]& s$ P7 Z$ z
(1) from <statement sequence1>+ X2 l; [$ `& r2 S# R; w$ w% J5 h! M
until <condition> loop. e" s# Y9 P& Q4 U3 B- ~2 A! j
<statement sequence2>;* k; y! S* i. n5 H
end;
, I7 w: S+ ?0 f' f9 c/ x" ~ (2) while <condition> loop5 K5 N0 I3 f6 z# H: a4 q
<statement sequence1>;
# H. x- }4 T2 V9 R' d end;( @. X0 L, ]! O! B
(3) repeat 9 R0 z- ?, @9 h9 h: _
<statement sequence1>;3 F( z, K% p. u4 i
until <condition>;9 O; O8 N# P% k# E! i
(4) for <condition> to <condition> loop3 l- U" k: A% U( C& x, g2 v! H
<statement sequence1>;$ [1 t+ X1 g# h) S
next;
+ N( F" d/ S+ P4 X9 `7 P3中断语句 `" K; X, ?; H# k& C: Z
waituntil <condition> prio <integer expression>;- U- K1 L4 x& O. I7 E
8 {% ~4 V5 Q ?3 g+ h" u) ~
) Y' D; X O; i0 F5 S1 y
以上为常用的函数！
8 a/ |" u* ^5 m: m9 l p7 \* b还有很多，如有需要我把资料发到你邮箱里 $ G; {) q& g9 ^; P* E" b
" k# ?5 g& B" Q# [6 d9 N% e' k/ y. e7 f% C7 x1 `6 N& Q6 D9 c
. n7 g% } A( j7 E
* @0 z5 F; O2 n1 w5 k, y
. W: _* i6 Z9 {+ o
, g' t3 U, i' F4 K( M! }
, y. D! } C2 O; @# l* W8 h6 c/ b: T4 \. x8 }0 } K1 L
3 \, y% z4 O. V( a; r
, Z% `+ B4 f7 T2 w% C4 ?6 O |
|
[复制链接]
