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发表于 2012-11-13 08:48:12
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1判断语句( k' |5 ?1 v7 K6 t
if <condition> then
5 ^6 j- g9 r3 _; I# M- p0 J <statement sequence1>;2 P! v7 t9 ? j) u6 G
elseif <condition> then" {7 x- i O. V+ i
<statement sequence2>;' o, J, K8 z. n, _! e
else . @0 M6 G3 W1 j# t
<statement sequence3>;2 {! R% i( ~ l$ K! U
end;
+ N1 X+ r0 E+ l8 e如果分支比较多，用：$ o/ i( M7 U5 C; ^* E6 T( R
inspect <expression>2 e/ e+ g" t. d
when <constant_list> then; w6 Z7 I, a4 ~; q+ j, {
<statement sequence1>;3 I! u: | D: m. \; Q
when <constant_list> then8 D1 r* X+ x) b$ H4 P9 l
<statement sequence2>;2 E9 d# t9 Z! g8 A3 O7 q8 _
...
$ j0 L8 ~& w! j! Q5 d; N else
5 B" x# w# K. P3 x <statement sequence3>;: [9 C. y2 d+ e1 L7 c
end;
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7 Z2 |( _. N f. K0 s' [+ {. [2循环语句
3 ^! U- S( E: p7 e/ H( a ? (1) from <statement sequence1>- _; s; ?8 ]9 C N1 d6 N
until <condition> loop# |& `1 d0 Y0 n$ @* x
<statement sequence2>;
! s+ ?: H, q" x end;
% G, q6 K2 A; { (2) while <condition> loop
7 m# i: O" h# l$ o* e+ n, t% _ <statement sequence1>;
( U* V" F) o' D! ^3 f" C& O end;8 _. N) I) g, O Y/ D
(3) repeat
- w/ u/ m9 `! \ <statement sequence1>;- z, C( s3 ^! ]/ N, Z5 P
until <condition>;4 E. `1 Q/ w# }/ N6 x
(4) for <condition> to <condition> loop
0 J- t9 [2 @* m c/ F+ t <statement sequence1>;3 |$ ~: ^; u2 B% r" ^ b* s
next;% R+ Q9 O1 q ~/ J
3中断语句2 J$ ]# \6 m& D
waituntil <condition> prio <integer expression>;. k# O0 }: s- d- R, y4 x
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以上为常用的函数！9 }0 G% b( c3 _- i X
还有很多，如有需要我把资料发到你邮箱里 8 ]+ ~# S9 h& a8 v
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