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发表于 2012-11-13 08:48:12
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1判断语句
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# d" G# q. u" C' Z- g" ] <statement sequence1>;6 u$ q3 B4 Y8 l
elseif <condition> then
( G' @3 M; _# v" q% k! j <statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：
! R/ t1 @# v5 q$ O1 P' {+ U; n inspect <expression>
6 N$ V/ @1 r& ? when <constant_list> then
* m! ]% j/ A$ h5 C/ f <statement sequence1>;
9 z% f) ]# ?- ]; `8 g when <constant_list> then3 T. t) r. f' b
<statement sequence2>;% {/ `5 h' D: E$ a+ N: ]9 V
...
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, M0 T: w% l* W: w <statement sequence3>;6 H" N8 A; l+ R# L0 z( [* j" L6 g
end;
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! Z) _5 g* P8 i" L2 \' ?1 p2循环语句5 k9 b" t2 m/ j% ^) d/ T" J
(1) from <statement sequence1>
6 a4 o: ]+ K' P9 b8 m% n until <condition> loop8 P3 u) t4 C5 _( _; E) r1 K( J# j
<statement sequence2>;& g' |$ m( _. T+ R) ~5 M* Z
end;
4 e% a6 R$ ^8 l# S (2) while <condition> loop
9 m, ]( R* _3 s! }. j <statement sequence1>;: p I. ^# h- ]" j/ o- r5 w; x
end;
! O" n P) N$ e; k6 o- |! B (3) repeat
5 U4 `0 N* n7 f: _5 Y2 T ? <statement sequence1>;
! V0 j4 O6 E& { o until <condition>;/ n; n! P) ]1 G" w
(4) for <condition> to <condition> loop' r- c3 k' k" t* W9 H
<statement sequence1>;
3 m2 X+ S2 Z6 W8 ~ next;
6 A/ p6 {5 J9 f) w3中断语句% @, n# W! K" ?. o9 R- ^' i
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
) ]" O; ^; ~) l; e% a7 F还有很多，如有需要我把资料发到你邮箱里
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