|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
1 l; _* J {- t, Z" ? if <condition> then
" M3 Y: E7 }5 `- y <statement sequence1>;
4 v9 y! h3 O8 J elseif <condition> then
, L( n" ?; @0 n2 [ c, }0 H <statement sequence2>;: F. X! B" q/ K# D% ]
else & T1 Z: M: c0 J
<statement sequence3>;5 G+ Z {) C$ Q$ e
end;
5 q9 h- V" B# m! F6 J6 a如果分支比较多，用：7 m$ B1 a2 n0 V% I' m$ v4 Q
inspect <expression>
2 `1 d+ _2 I$ P' Y% F when <constant_list> then; n, G/ W3 ~) F+ M$ F/ n! a
<statement sequence1>;5 t' K. J; F2 F
when <constant_list> then, h6 J8 \5 m. H
<statement sequence2>;! q" C1 q/ [ `. B- P0 z* o" f$ {
...6 G/ o* ?/ K9 H4 `. U
else
3 _; ^+ L" s, R9 O <statement sequence3>;
5 x4 V& G2 z+ b' Q; @# L+ J- X- vend;, @0 ]/ E/ {# c5 p1 i- M
8 k" u& p d+ D; _* Z/ K. |2循环语句
: s3 g' Y4 Y. I* M3 I0 K7 U5 Q4 N( B (1) from <statement sequence1>
( u8 K! S3 I) v) \+ X0 ]7 F) H: m! c until <condition> loop
& |( m+ J* D. J" y7 B/ h; ~( m <statement sequence2>;
+ i) P" ]0 a( m# J4 o end;
& ?7 i2 a8 x, n (2) while <condition> loop7 q- a6 S I+ X0 [* U& ?6 E& U
<statement sequence1>;
) u( M4 g( m2 |9 V" e7 y) h end;+ c( S4 t- ]8 Z4 ]0 }! p7 Q4 t: U
(3) repeat
p( M" I% W% ?* s. Q2 @( M <statement sequence1>;
+ N; q& E% [ v' K3 g5 D) e V until <condition>;
# H; H* z9 r. C) H; x' u" { (4) for <condition> to <condition> loop0 O8 f: _# I2 m" G' r" G
<statement sequence1>;& C* @% A2 N5 o7 A
next;
V f0 I+ f7 Z' A' _: W1 c$ F3中断语句
8 g& Y: ?" i3 c) N1 U% p waituntil <condition> prio <integer expression>;
4 C+ |. F! U3 |1 U, ~& n" k- R M" R
# d9 Y6 q# V1 K t# b
以上为常用的函数！
: c6 Y6 i: E5 h; s; Q S- v% w还有很多，如有需要我把资料发到你邮箱里
I3 d) m3 ~5 o8 c0 U
+ B6 M2 l9 s) y: v8 O% R( u( t1 u* Y& |+ r* m) `
8 o4 l( H: |) ^: F% F N
$ K3 H1 h4 [& u+ Q7 ]4 i) ]
2 l6 g! W, H/ R4 o" C8 B+ [
& Z8 H6 d, z. o3 y5 t K b, z* p9 ?7 {1 {! ^$ U
1 T) H8 c0 ?0 R+ y' U7 t
% Z5 D' R- M5 Y, t) O% |8 p9 P! i1 d
( p' g X. e* y$ Y |
|
[复制链接]
