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发表于 2012-11-13 08:48:12
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1判断语句
" w3 Z1 q3 ?% U% O" q1 n3 C5 V8 ]3 j if <condition> then" N4 c& l, B" @! [' q$ f- H
<statement sequence1>;' K- l$ c2 O0 @; i9 }
elseif <condition> then( [- S) P$ J5 |1 j3 `, O
<statement sequence2>;! P8 i0 I9 d# f u
else
. u# r; Y# w! a% J- P/ C" E <statement sequence3>;
# G* p$ a' H: L+ \) P! P- o end;
8 v8 N K; }% Q" D5 ?如果分支比较多，用：
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when <constant_list> then
* h* E" q' T0 o' F2 I& E4 u <statement sequence1>;
: L N, W; R& H- c I- k when <constant_list> then# q: p* _- ?5 m8 i9 o8 v. c, ]
<statement sequence2>;" i# n* a/ F5 j/ P. W! G5 D- h
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else: R; x9 ~/ ]' F
<statement sequence3>;! M- @5 e2 f6 \5 s1 ^4 k+ G D
end;, y0 `" T6 @! U4 K, ~7 ^6 n U, i
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2循环语句% M. ?4 D& Z$ [; L4 C' ^
(1) from <statement sequence1>
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<statement sequence2>;% k1 n7 B# g/ X" ~2 @/ D
end;
" D+ f& n! B# T" B' s, x3 r' D; a# [ (2) while <condition> loop
$ j( C3 d! O* Z! c, L <statement sequence1>;
1 ]: e9 Z! _1 E' M' F; v end;
* g1 w& g" w7 H (3) repeat
" t0 l1 ^4 k9 u <statement sequence1>;! z/ O' q f' F) @
until <condition>;
6 ]5 @5 ]1 D b7 ]9 q (4) for <condition> to <condition> loop; k3 s3 ~; F! K O$ a- R1 W2 w- J
<statement sequence1>;
1 r! ?+ j9 p+ u4 \ @ next;9 ?1 e8 D9 `& T
3中断语句" n% t6 ~5 s1 u' A
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
- i( L4 s7 d D! Z% l9 ^还有很多，如有需要我把资料发到你邮箱里
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