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发表于 2012-11-13 08:48:12
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1判断语句
6 K( t% [8 t* x6 L" ~9 m- N if <condition> then5 @2 l$ D8 W- H( K0 b' A& t2 ?
<statement sequence1>;
3 F n0 h. S, _. H elseif <condition> then6 E) |; a5 ~9 {. d" S, j( I
<statement sequence2>;
2 Y5 E# c6 E$ B9 C3 F% E else
& a' p8 i7 `' ^* t <statement sequence3>;: E! Q5 g* A3 `( [9 f. f6 @0 P6 e* ^5 V! l
end;6 n" Q6 N3 d1 K4 E+ t( y
如果分支比较多，用：: p! e" p$ n) s+ v2 X9 o2 @
inspect <expression>
/ ~. G2 i/ d! a) D4 i when <constant_list> then- e6 d/ }' `+ R
<statement sequence1>;" _# z8 Z' v6 [$ Y
when <constant_list> then
4 x* k& ^9 i5 h1 A <statement sequence2>;' e" ~7 r2 m, q& ]: {
...
' Z* ]/ }; g* ]' U! L" G+ d0 \& }" h4 c8 X else A+ |# } C# H
<statement sequence3>;
+ P7 q O9 A1 }/ hend;
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$ \7 j# v7 Z) s5 a8 L2 l2循环语句
" d1 ]7 A# ~9 x0 E% H3 N' y4 d6 J (1) from <statement sequence1>
, b9 O& w7 Y9 \4 |3 \! o until <condition> loop
7 X. i2 [2 S4 W2 D! A0 n' L <statement sequence2>;
* n) W' H% w' W: L6 `" H end;
6 T* @' H3 ~2 m( q3 d, U (2) while <condition> loop
, F$ h9 X0 q3 C* R* s <statement sequence1>;
H# \1 f: b7 o4 q end;
5 K5 B- ?0 j$ r2 \" Y; V (3) repeat - j; y+ r0 Z5 G$ u5 h: C+ R
<statement sequence1>;, W G' H$ Q9 E0 }$ [, U
until <condition>;+ H. @: W" ~ R- z4 O
(4) for <condition> to <condition> loop- h/ ^, c! P) C
<statement sequence1>;
+ F, O. }+ b9 \) _ next;
* g, I3 ?6 b P* F4 Q/ Y) t8 u3中断语句
$ f* {: ?! z; Q3 M6 ] d waituntil <condition> prio <integer expression>;
& b6 j9 |8 ]+ Z7 i, X% f: _. K/ m0 N2 X9 x h" ?$ G7 j
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以上为常用的函数！
3 C$ x* s6 z& S) ~% @) ~7 N还有很多，如有需要我把资料发到你邮箱里 . t6 q' b+ M2 E9 d% _0 y
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