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发表于 2012-11-13 08:48:12
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1判断语句5 W8 N5 o. l! f- i
if <condition> then9 Y" @# Q( H7 Q
<statement sequence1>;
$ Y) i# z( I% ?3 o. d. X' Q elseif <condition> then
( M h7 o) ~& w- K <statement sequence2>;9 J- g( \" u4 b8 t5 ]1 L! _
else * @; E/ `! Y% p: A1 E& q1 M
<statement sequence3>;
" `/ ]& U9 Y: L- S end;; l* C8 D" C, a
如果分支比较多，用：
0 J0 R% n c) l# s2 y* c inspect <expression>
7 s1 r8 {, @' p; @& g when <constant_list> then- f$ I5 Z1 \; E8 b! i' ?' D# {" ^% L
<statement sequence1>;
4 I: x' g7 f0 [) r, C" m( u when <constant_list> then/ ]1 y- S% Q% d% d1 m- o
<statement sequence2>;7 G7 ?& J; m9 ~: {
...
/ J3 e4 Y6 X! w' e/ f else: n7 P2 {8 b/ k0 |" v
<statement sequence3>;
) Y( i3 E" P9 _; T( cend;
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2循环语句! E" |2 P0 {/ s# ~) {" t) A
(1) from <statement sequence1> e9 V6 D1 f( S" \- s; O
until <condition> loop
$ b! c0 j# U0 U5 v2 Y! m7 k4 q- c3 v <statement sequence2>;% N/ P$ A6 D7 r9 ^' m" P4 f
end;. f7 T2 l' X: T! ~ F( P+ s" Z. V
(2) while <condition> loop* O# j. ~( o( N
<statement sequence1>;
, }9 b8 P' N1 _ Z end;6 \' f/ t* s1 l2 t! q! R# E
(3) repeat " P+ n" i" H' e
<statement sequence1>;( O1 ]7 D/ l6 x) _' p" D7 E4 L( n, K
until <condition>;$ a- g8 C+ V: p/ k7 M
(4) for <condition> to <condition> loop2 k1 ^. Y/ E* v( H
<statement sequence1>;/ u R/ J& W! Q$ Z% k% N
next;
5 u, W( C4 `- Y9 p$ g3中断语句
9 ]/ J8 {, n0 C- A; S waituntil <condition> prio <integer expression>;. }6 Y9 U: @5 c# g" \1 R
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以上为常用的函数！& `# V, t/ K' ]8 e& m9 X4 D. _- f
还有很多，如有需要我把资料发到你邮箱里
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