|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句7 C1 q$ @' A' g1 C. J% r4 U
if <condition> then
3 F: w" f# P! N# L* } <statement sequence1>; H- d; j2 w1 p# f f% Y
elseif <condition> then! L8 e" K1 Q5 q7 p' C, ^# y; N
<statement sequence2>; h3 C8 a& Y0 s8 e
else
& N. O; {& v# F; x <statement sequence3>;
& o* m( E& _! N# h end;
/ \. H, s- [2 ^- O7 O9 O如果分支比较多，用：
$ \/ K( E9 e% R& | inspect <expression>, H8 x N+ B( l- ]& G0 x& d
when <constant_list> then) U7 G/ \- m% s+ @, o9 W
<statement sequence1>;
" a) w O/ p; [( I4 F8 ~3 g% c& [ when <constant_list> then- r$ l% o6 X0 {% Z) u+ z/ h; S3 i
<statement sequence2>;
" }% m, I/ b" @# `- Y- a3 U ...
9 R( i6 P( G- Q) ]( u& r) g' } else
: U$ v: S T1 ?! w M <statement sequence3>;
# ]3 L1 {$ k) J$ A2 z( {: dend;! |7 @. R& @5 H! ] v9 E
3 `; u0 o3 @( x- N2循环语句! ?. O8 `8 E, s3 l8 T& V: B
(1) from <statement sequence1>: `! Q- [. Y/ o% x
until <condition> loop S9 r) ? l6 _) l d' J% G
<statement sequence2>;
; R, p+ z( G$ u0 d: C& U end;4 H2 b$ c; d: _% j
(2) while <condition> loop
( i: ]) B9 y& D/ o- y2 K <statement sequence1>;& o" |8 f! e# i; r
end;4 Y, H$ B' x& y1 n
(3) repeat " C% \# ~+ L5 X8 P4 W
<statement sequence1>;- }- F; D+ |- N9 s
until <condition>;
' a" v0 ~: h( { (4) for <condition> to <condition> loop- O5 O. B" w9 D* D) Q6 d
<statement sequence1>;5 Z$ j0 u9 _( |) \, R
next;2 X5 ?+ x8 m& z2 M( `
3中断语句6 n; @2 D" ?! V$ P
waituntil <condition> prio <integer expression>;( L( W! V4 D# I& @/ e
+ c7 m* w' _" A* K
& S7 S6 A2 U4 j$ D2 j以上为常用的函数！% H2 R. ^0 @" P7 D1 Q
还有很多，如有需要我把资料发到你邮箱里
0 t/ f& h3 Z# g; j9 C5 g: k& o8 o2 G9 q6 ?
: F; L9 C- |, B ~2 ]7 O. c" b+ D6 n2 v& n
% W3 }8 s% ]0 B* `' \6 n) m
7 T( f, x8 f7 I1 f" j) \! F* N `# _' `5 q; W" C& o+ F
, |: @6 H6 o( B/ x* s2 \1 c! ], ~ L( X! d. u3 q
$ R5 ~+ E2 S( l0 r. Q; Y
% a# M( t5 O& J( C ^2 S
|
|
[复制链接]
