|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
' r6 U! y2 v# m% e) a if <condition> then
, W* g) Z: P4 |9 U+ N4 e <statement sequence1>;' M3 \: g/ X8 T! V) W
elseif <condition> then
& O) @5 b* |7 n3 P9 }" \! w* A <statement sequence2>;% \9 [0 Y2 w1 S2 O1 P, i
else ' {7 G) r' a) e- t
<statement sequence3>;8 Q) s' b' u# @5 \8 `
end;! y0 f' B. D! F0 W j0 X3 b0 X; l
如果分支比较多，用：
x) f! ~6 Q* P inspect <expression>% ]7 ?2 U' j/ r- ]3 ]: `
when <constant_list> then
3 W- `: Y0 M4 j3 r" ? <statement sequence1>;
7 ]- o+ G/ a1 V* j: Q. e when <constant_list> then
' Y* k; [# R) E <statement sequence2>;" ~9 f4 x" C5 \1 ?: F! V2 a
...7 P" ^0 X7 f, N: s& J
else
- V$ z. Z. [3 U } <statement sequence3>;' B# U& c. k3 c; V/ C
end;# |/ Q6 B) Z/ C7 o2 q& B( D6 Q
' m- N; b, H' Z; e
2循环语句
: s, m) Z* n u" @6 s& F/ \: G (1) from <statement sequence1>
. K) {: r" U0 Y, R' H until <condition> loop
! q' X. K3 V4 x <statement sequence2>;1 Y/ m; q! Y: l# k
end;
# `7 E8 q+ {1 q% c (2) while <condition> loop. L$ N6 V7 o4 T+ W& b+ n1 f
<statement sequence1>;$ N. U* ~$ k6 g) V& a
end;: n4 N3 `7 s9 |6 P
(3) repeat ! K* ~8 E- b: G3 V |7 F
<statement sequence1>;3 E0 P; e- w+ f
until <condition>;
8 S. e, Y! _# E: |& a& Y (4) for <condition> to <condition> loop# j/ G! B% v- X& e) h
<statement sequence1>;
5 a; k$ M2 z. V$ F6 @! s next;
5 @) |8 G9 m7 T- L8 G3中断语句! _ I2 C+ S. P+ q4 a
waituntil <condition> prio <integer expression>;
: Q+ o, |' M' H( E
f5 P+ x! ~- v, i7 p7 t' R$ |. ^
4 H- ?2 U" |% u以上为常用的函数！: B! P2 L$ s8 U) |. u
还有很多，如有需要我把资料发到你邮箱里 2 q% ~) f$ u/ N+ e# }' |5 s% f
: ?- ?% v' M; ?3 A7 r; m+ k. N% r3 V; n
R/ R- X( E+ J. x$ K C/ q
$ {) O- c& i! |# z$ h1 k- }+ n
1 \3 e9 i; q8 k9 [3 R4 {) e" m) \
8 C4 t5 Z4 B5 q5 w
3 [+ J3 _, J1 R ^7 R; e
4 ]1 N6 g! ~( |8 [$ U& M% i
+ U% B! i0 Q. ^1 r |
|
[复制链接]
