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发表于 2012-11-13 08:48:12
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1判断语句
( m2 J7 D/ E" o/ I if <condition> then
9 Y" [1 `: y. Z6 p <statement sequence1>;
8 d. y% ?+ s% ?' B: E elseif <condition> then
, q, [1 R( q: E0 @& `! E5 ~% t <statement sequence2>;
3 Z# T& b& V+ p% n else
8 q, U: g) I" X( ~* X' ^+ Z4 S <statement sequence3>;# f* I' S% x1 @& B
end;
9 g6 ^& u4 Y! }8 n8 e% y! B如果分支比较多，用：7 _) T. b% b! a6 n. s+ \: e
inspect <expression>
4 ]# |7 I/ f1 V! k( {* ~5 _ when <constant_list> then
. {; p) T: x7 G3 u <statement sequence1>;. ?+ Y C$ B# T) E5 G9 G
when <constant_list> then
" s b% S' I5 x0 J <statement sequence2>;
) J1 o2 l* T& k4 U ...
8 o0 `' \3 _$ q/ }1 b else
, a; C2 _6 X8 B" ?5 \& S8 \1 D <statement sequence3>;" p* ^# t7 Y# y, X& m# J1 |" u
end;- _' h/ C" X/ q1 [' N
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2循环语句/ a, x% ]; Q) w0 g5 h3 P
(1) from <statement sequence1>
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<statement sequence2>;5 n4 E4 K+ D. \9 q
end;" A- p/ B* Y4 o8 a
(2) while <condition> loop
. b8 _" A$ |5 |* G" ~) G <statement sequence1>;
- a8 B, L8 Z' ~. k0 A3 F end;
( x6 Y% d! q( {5 S (3) repeat 7 v8 ^7 f9 x; v7 }3 ?/ H4 |" A
<statement sequence1>; X$ v2 @: w' ^
until <condition>;
5 a8 X9 e9 D$ D/ B (4) for <condition> to <condition> loop& S: p$ |2 S8 i# `) r
<statement sequence1>;
^: V8 J+ {% `/ y+ S: x next;
% z- Q9 O2 d% `9 k4 N3中断语句
5 g, a) p2 ~+ q5 Q) ~ waituntil <condition> prio <integer expression>;' l0 u0 ?, D+ j$ A+ _
) {" m( B6 _5 m( `0 O
! k4 z' \7 G* Y) W0 M以上为常用的函数！
) V0 b' E$ B3 f4 H* Z' F还有很多，如有需要我把资料发到你邮箱里 ) ], K5 V" J- L- g+ @) f: X! G4 H
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