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发表于 2012-11-13 08:48:12
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1判断语句
0 x8 h4 J1 |$ j# X if <condition> then: b7 R+ w7 J$ t0 S# Q
<statement sequence1>;3 e1 c# h3 e$ R' b |2 R
elseif <condition> then8 Y5 W+ |# K$ h" ?, U# |/ g; J
<statement sequence2>;6 X2 M, M+ K% X) z5 f" w
else
& T! w' O" K, I1 d; J7 _ <statement sequence3>;+ y7 J4 _& O" A3 t5 z
end;
- |; [8 z2 ~+ _- M# G) u, o8 o如果分支比较多，用：' q8 u7 t% i) \; o
inspect <expression>
4 P1 D% z5 s1 M4 q# T; [* x4 j when <constant_list> then
. `( p5 H7 n ~) ~3 Q" Q a$ q8 ^6 s, ` <statement sequence1>;& M. A! @, j0 R# Y- [
when <constant_list> then. o5 ?) X8 v7 s2 E. T! D3 ?; ~
<statement sequence2>;
. t. B* \: N3 U5 S4 d, ~) o ...
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<statement sequence3>;
* p! ^. a6 X' o. N8 Dend;
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' H% f4 e) b. j k" }2循环语句
" B3 Q( R, m% ^4 \" J: m (1) from <statement sequence1>
. u+ X I& y5 X/ q2 C/ b until <condition> loop
. ~' W" z1 c5 c( w; m <statement sequence2>;
3 f% `) A% ~7 H end;) E1 C) @( [% w1 I; a3 V; F
(2) while <condition> loop/ F; q# G7 D s, P4 q& ^ |
<statement sequence1>;
8 t9 \0 I% h# n. J/ p( \0 U2 \- ] end;
1 N2 k# s' S Z7 x# F" X: C# ?+ L (3) repeat 4 ~' }# n" x+ F! |
<statement sequence1>;
0 V2 D# l6 e3 Q8 Y1 ` until <condition>;& u7 m9 o( {" y$ f# I
(4) for <condition> to <condition> loop; y h5 L0 _ U! H! |! s* n/ E
<statement sequence1>;1 `" t- ^. u; E
next;
! c* g8 S$ r" a2 [1 L9 t+ K3中断语句
) ? U! [- U! t e, D1 n [ ?8 l waituntil <condition> prio <integer expression>;
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, d+ }/ t' s6 N6 w以上为常用的函数！
9 I1 W0 Q% J G2 V6 e2 K. [+ W% r0 {, S还有很多，如有需要我把资料发到你邮箱里 0 S* O5 N( }/ D) v5 V( X
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