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发表于 2012-11-13 08:48:12
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1判断语句 {+ [4 V2 C/ u1 L& z
if <condition> then
" `8 X; A& W! g" Y5 Q <statement sequence1>;" S) }" }3 F4 L& L% R
elseif <condition> then( R: `1 z3 g' @: \
<statement sequence2>;! c+ _2 ?: O& [) J& \( F" G7 x) H5 b9 S
else 5 U9 l1 i$ g U; u% `& V9 C1 O
<statement sequence3>;) e* R7 D; G: h/ F3 P1 }6 _0 o- C
end;
, n" x0 o T- U. `$ g2 b如果分支比较多，用：
7 Y1 J2 N, i; P9 t7 w" V inspect <expression>0 i; V& F+ T' T; H* H
when <constant_list> then
( p8 P* z6 J: s. A <statement sequence1>;9 g+ H' q9 e6 L& J& p# r, I
when <constant_list> then/ Q7 `5 T7 i0 N/ l
<statement sequence2>;' H. _; u, Q2 a7 J) B7 E& }2 L
...$ ]0 M3 h% T/ H; Z( u2 `. S
else
0 g! M. P5 `$ t: @8 ~ <statement sequence3>;2 L+ i7 ~4 O. {1 _5 _- x$ v
end;# I9 |3 I1 j1 V; b5 h( Y) [
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0 D# f# L ?4 d6 a% T (1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop
( ]. m W5 x# E& [/ n <statement sequence1>;7 n$ a# w8 ]# V0 h7 \
end;! T$ O, T! [; Q T
(3) repeat
" a; ^* V( ]: o <statement sequence1>;
1 E0 W, L U$ F9 \7 @ until <condition>;
( W h( T6 a. e3 W& ]8 C (4) for <condition> to <condition> loop
: |8 H/ |7 e1 f+ x+ l7 D5 S. @ <statement sequence1>;
0 `- A( P! t( C6 N# J$ `* r next;
" ~' M- \4 e7 o9 N! o P3中断语句
, F2 t. `3 v! c) E* ?0 f, @ waituntil <condition> prio <integer expression>;& o0 ~& Q/ C! f2 u* C8 I
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以上为常用的函数！
% C; U" \" } p! b1 O还有很多，如有需要我把资料发到你邮箱里
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