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发表于 2012-11-13 08:48:12
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1判断语句4 _9 a0 g, Z, T7 k
if <condition> then7 u6 J: f1 l x/ Z# F+ n5 Q
<statement sequence1>;' _' j1 P7 J2 ~7 W( e
elseif <condition> then
7 m, {1 R9 X9 l& f ?" ] <statement sequence2>;
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<statement sequence3>;4 y# H4 G! _" u+ q. n8 e
end;
& c& I6 H* ?" l% z- M3 v如果分支比较多,用: P. o' j: { F s8 v& l
inspect <expression>
8 g. T- X: ~9 D+ ?8 j when <constant_list> then, w e; j# {; v. q
<statement sequence1>; s& i8 d+ |. K: G" K
when <constant_list> then( x# U$ E$ a0 H) D6 b7 |
<statement sequence2>;/ F' i" v3 U; @+ _5 M
...6 R( W# s9 t4 D/ K" ^0 p% p' x, q
else% e3 `8 G& f0 V! ~+ F! H
<statement sequence3>;
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2循环语句 N+ O- B3 P; e4 b3 S
(1) from <statement sequence1>( m- ^/ k8 c: k, Y6 l9 y
until <condition> loop- x3 A1 m' s. @% B7 |
<statement sequence2>;
8 D% ~0 n. {- i. y* e# l end;
+ w `+ l3 n$ m: b; w (2) while <condition> loop; Z2 k: V8 n6 {% n6 z$ s
<statement sequence1>;5 s( y/ J8 [" F& [# n- H% r
end;2 F/ C _3 e. U2 c' V8 L5 i
(3) repeat
3 A/ T/ ^5 e) l* x" v3 @ <statement sequence1>;
9 P* t0 G6 a# h until <condition>;
5 j+ {1 X" a8 ]$ v (4) for <condition> to <condition> loop
( L* h" O! j( a, L7 x4 l, R <statement sequence1>;8 Y9 `9 v; j7 f
next;& P" T% Q/ n. x. `) y' O- J
3中断语句/ D4 B# C& i8 k3 ?$ _
waituntil <condition> prio <integer expression>;
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6 r v/ e4 Y) p% O' g' M以上为常用的函数!4 @3 N. E3 B9 ?3 x2 F# r9 ^ U% l
还有很多,如有需要我把资料发到你邮箱里
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