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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
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<statement sequence1>;8 S( l/ P0 E5 [+ V6 \% j+ w7 O' g
elseif <condition> then6 U& c' d3 M. t
<statement sequence2>;
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<statement sequence3>;6 C# ^' @' m8 k) V8 _3 y% M5 ^
end;8 ]* C) [/ R$ h4 ?
如果分支比较多,用:& I3 e- t8 ^! y v2 z
inspect <expression>. @ J; @+ L' i9 D/ b4 U- Z
when <constant_list> then, i+ w8 V) W9 Q9 ^
<statement sequence1>;) _* u, Q. w+ n- {( Z4 K
when <constant_list> then
! X8 N) Z# p* S8 ? <statement sequence2>;, y& E2 a a' ^, [+ z7 F, u+ V* B
...
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<statement sequence3>;
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2 [, E# P- A: q3 e2循环语句
3 j' k/ Y3 m$ t3 S! d( W (1) from <statement sequence1>7 x" u9 E/ b& y$ Z, l+ K0 A' v
until <condition> loop% w% u0 t$ s9 P
<statement sequence2>;
' t' k: Z6 R( X Z end;
7 {) m0 E. t$ B' L; v (2) while <condition> loop
1 ~1 Z' M6 m0 L" O! _& G' M8 ? <statement sequence1>; U8 }, E) i K9 X! @/ q
end;
1 u. e; Y! z" E; S (3) repeat
# L* N; S0 {+ ?- X' J <statement sequence1>;. E" g5 V# D6 b9 F# j9 u; n
until <condition>;
' ^5 L7 W- [. ]# E7 K- @9 F' ^ (4) for <condition> to <condition> loop
1 G$ g: A k3 r$ e$ r <statement sequence1>;) F' Y( g8 q5 q' `& O! ~
next;: }: w5 H t, J
3中断语句6 x" y. R [0 t
waituntil <condition> prio <integer expression>;
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以上为常用的函数!1 @' k2 C/ }* F6 e
还有很多,如有需要我把资料发到你邮箱里
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