|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句: c8 H: ^7 y% b5 N6 W' p( ^
if <condition> then
1 N# I* N% z9 u6 \ <statement sequence1>;5 X# S- Y% g0 ?6 n
elseif <condition> then x( K, e1 y* ~* M' A
<statement sequence2>;7 k. f% g9 B+ F1 S8 L
else # G+ v4 L J6 x( m
<statement sequence3>;
: v! B1 V& n2 |" c4 B3 h! _: ] end;
# E+ n% }" v, J& N/ I如果分支比较多，用：
) U+ X0 t ]+ h/ Y3 | inspect <expression>) x, x9 `% a, s2 R/ V# c$ l9 |( @
when <constant_list> then; B! m$ D( m7 E# ?3 R- ?7 Q
<statement sequence1>;+ s! E! Y$ v' j1 w; ]
when <constant_list> then
4 D( c2 r+ T% H' b. ^* i* d F <statement sequence2>;
) k4 `, ~/ u, p; k+ V# a* J, ] ...8 ?- n5 a3 b( q" ]9 |) a3 W
else
! y- P/ y' J+ A+ t! @& K6 H. E; _ <statement sequence3>;
9 @# ?% _ q" {7 \, S; K9 R% Oend;2 B% r" Q( ^6 N/ L: q! n
" j" q3 J! z; f8 Y5 I2循环语句
0 s6 _$ f& i% h$ G, |$ g$ s (1) from <statement sequence1>; Q5 k4 m3 @ f# c5 Y
until <condition> loop
G# D: W) n$ J <statement sequence2>;
9 u8 N& `. @" c, D# y3 e' X- U end;
' ~1 [6 C' ~* x$ a3 `0 W (2) while <condition> loop; Y# K5 l8 r- ~2 S6 x9 C2 h
<statement sequence1>;* B, _* \. q! z! z
end;
8 H$ P* B+ F7 {2 W: ?0 { (3) repeat
' |/ ^0 I( |" B- w# Y G7 T <statement sequence1>;
9 K' s% ^ @/ e" E( ?0 F! E until <condition>;$ I, H' A, X- L7 ?( S
(4) for <condition> to <condition> loop# U" \8 B- M4 a7 p# d* k4 L
<statement sequence1>;
/ w1 A4 P- S4 ^8 N6 z; F next;' S" R2 U* `4 u5 F7 l) p
3中断语句
. U i6 a) l7 ]4 u waituntil <condition> prio <integer expression>;0 I9 m( Q! W$ B6 |/ E u: [
- V! L* R' |/ h0 K3 h% A
% ~! o3 x3 f3 x0 R5 u$ b( V以上为常用的函数！) s! G- r7 N1 u2 y# J( F6 `# m
还有很多，如有需要我把资料发到你邮箱里 - k' J' N- C- h
# R7 m9 D6 W$ H$ o! e' u& z$ e6 i8 P9 X3 F# b- ?* z& r
) E" `$ h i6 \4 s1 t
! v# d! t8 B9 o! D+ Q: P5 y& T& m0 m8 {% z, ?" {' ^3 p
7 Z+ w S6 J3 t) ?# c+ f/ M
+ M- R4 p7 J% K5 W
9 C' j( F9 d+ w( g, U4 f. @8 @# l
# g- P' S) ?% J' F4 @6 U* V ~ 7 K8 M4 k8 _4 y) ~) c$ @) T( G
|
|
[复制链接]
