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发表于 2012-11-13 08:48:12
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1判断语句( R) q J9 X+ Y
if <condition> then! M' }6 j0 Y& v. {$ k) @! h7 z
<statement sequence1>; T5 _$ K4 M7 Z) R
elseif <condition> then- i6 T: N! p. b8 p
<statement sequence2>;: a# V$ c; w2 \* Z
else
" [5 _% H% `) ~. d* J* x4 H1 ~) B8 R <statement sequence3>;
! R; T: q' T% M7 Q) [3 W end;
$ G% e2 }& ?( |5 T0 o! }如果分支比较多，用：8 I. T7 d9 y( x9 a
inspect <expression>% T8 y" ~2 k0 j q: Z s
when <constant_list> then
" n4 y+ U% e" E7 M" W <statement sequence1>;
A$ C1 G: l' T7 f* B5 J. M7 h$ `# } when <constant_list> then
" a( Y& Z+ k5 H2 D <statement sequence2>;
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else+ [, s$ ~" B# H5 g
<statement sequence3>;
8 f0 l5 k c, O* V* @1 I9 wend;
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2循环语句
) i4 w: F5 _/ v5 v b! o% H (1) from <statement sequence1>9 ?: q( Q& v1 U5 N
until <condition> loop
( n' T' l8 H! G7 ? <statement sequence2>;
, [: \" a( Y5 m# L5 [, u5 i end;% B' z0 ?+ P: u' v
(2) while <condition> loop
2 S8 g d. R; j6 o3 u; q. T, R; i <statement sequence1>;" r: }' R* V# k% M
end;, [! C* ^# c: d; F
(3) repeat 1 G* Z1 L; o2 o
<statement sequence1>;
1 `- R0 k! R' K( g until <condition>;
( _4 j0 e( K) w- F1 S4 A7 I (4) for <condition> to <condition> loop
4 h3 W" ^) q" Q2 H <statement sequence1>;
9 _$ K1 g" Q1 U5 j% d/ K; r1 j$ ^ next;( G6 g6 T: j9 c9 _. O6 z
3中断语句; f n( ?: }2 T' ?0 V
waituntil <condition> prio <integer expression>;$ f+ i# G" J# _# k/ p9 |2 w
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以上为常用的函数！, T; F$ J' T: X
还有很多，如有需要我把资料发到你邮箱里
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