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发表于 2012-11-13 08:48:12
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1判断语句
7 ^9 h' L b+ D% d4 \ C' {+ j' B if <condition> then# _9 o# C4 J9 _
<statement sequence1>;6 }2 x7 Q6 j: W; P, I
elseif <condition> then
8 I- ?$ I. e& t5 U0 { <statement sequence2>;0 r; w6 ~! ^$ t, M
else
2 Z$ e1 G `) J U0 [1 p, Z8 S- i <statement sequence3>;
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如果分支比较多，用：
& W: G; B; L, x8 f* K5 I6 l* \ inspect <expression># Z1 J( s9 n, q& l! d) \
when <constant_list> then
, x; h1 L# j" h* ]) @& W N <statement sequence1>;+ ]- c( u' Y" W/ r
when <constant_list> then. ], R# f) z( T& b3 n3 C
<statement sequence2>;
$ F& b A: B9 J* P9 L& y4 w0 C ...
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<statement sequence3>;
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. o/ M9 |/ o% }/ q; g6 d: m4 B2循环语句
* g" t" M2 w1 U r (1) from <statement sequence1>
/ E% ~, l6 B, j5 P( k) W l6 |5 O until <condition> loop
9 M5 t, ~' U7 ?- l& ` <statement sequence2>;
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(2) while <condition> loop2 K' I! l; U+ j( g
<statement sequence1>;" H' M# z" ~ i' a
end;% x/ t7 T/ y4 o1 B$ x
(3) repeat
, f+ h2 N2 {& X# T( m <statement sequence1>;% ]5 r1 v, ?0 S
until <condition>;
% ? e$ G$ r* H2 p2 c' k (4) for <condition> to <condition> loop
) T5 E; I; A( a0 l5 T <statement sequence1>;8 |, [2 u4 C) j3 e. c. |' H
next;
& _0 l& @+ C4 J7 Y3中断语句
1 t2 f& A3 v3 | waituntil <condition> prio <integer expression>;4 E$ |6 X' g, V0 {( d
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以上为常用的函数！- m. V1 ]) w" ]- w6 k
还有很多，如有需要我把资料发到你邮箱里
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