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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
. ^8 q0 R- v* O if <condition> then
6 p+ _ I$ m- I9 K( q <statement sequence1>;5 b; t" ^0 k8 L$ e, Z
elseif <condition> then
: ]% q0 b; T3 @ Q( y5 l1 Y <statement sequence2>;
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<statement sequence3>;( G+ W+ Q; f$ v+ P* g0 s
end;/ L. o4 [! X- |' Q' `+ G0 h2 q
如果分支比较多，用：
/ K, ?! n5 }2 f- y% n0 x inspect <expression>) l* z: Z4 O, I8 b7 f
when <constant_list> then0 R) C5 F# f% w1 j8 v. S
<statement sequence1>;
$ d; ?- d0 y( m, T7 C" G6 O8 q when <constant_list> then
6 ~( e. Y. ^" a4 A0 L& @ <statement sequence2>;' M" ?5 j4 s& |
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else! U: w% M7 j# w: A. W/ \
<statement sequence3>;
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2循环语句
, [, _. w8 H8 T: s (1) from <statement sequence1>
0 H& k8 s! h6 I# M u; W until <condition> loop
" [3 d6 i' T5 S& ?3 x <statement sequence2>;
4 ?/ v1 ? @/ H/ X end;
) F9 h$ u/ ]7 C" ~" Z8 {) k (2) while <condition> loop3 {8 @# k- \; ?2 S% G8 p
<statement sequence1>;
7 v6 E, e, U: P/ |. W+ H end;+ d0 D u! X8 p3 H# Y0 a7 |1 P
(3) repeat ; E) P+ Q* \9 p4 [
<statement sequence1>;0 A/ y2 \5 n2 s/ I% G
until <condition>;1 C q$ Y8 ^9 B5 h
(4) for <condition> to <condition> loop
1 S* E/ S& F. j <statement sequence1>;
- v/ d+ Z" B0 q; x. ? next;
, o% _, ^+ C8 r$ K' V3中断语句( X% `* w8 E: @( T# w& z1 z! B
waituntil <condition> prio <integer expression>;
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以上为常用的函数！2 a# n8 t1 T/ a* j) T) m$ B) z
还有很多，如有需要我把资料发到你邮箱里
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