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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
, ~: a8 m1 v t% ~5 ~1 F if <condition> then
% `% p6 N; b, i8 K, ~ <statement sequence1>;$ ?9 N/ k, h7 @! p" l' L% ~
elseif <condition> then5 _& ~1 F/ Z$ n, M
<statement sequence2>;
% u5 i- ?8 L, V6 a* m else
! l. D$ ~$ A9 u/ g1 j' q( O <statement sequence3>;
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如果分支比较多,用:7 b! s) R( y: q; j, a9 O# O# P
inspect <expression>$ P2 h( h4 [, P7 c% X' I4 o/ J
when <constant_list> then; D2 n& U, v( e+ [4 p4 G
<statement sequence1>;
4 n* Y) Q* G) {" K I' O when <constant_list> then9 \0 D$ y' g( V; \1 x
<statement sequence2>;* [: ?0 R5 |) n, S( p" W
...
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<statement sequence3>;. m( a! a4 _4 ~+ D0 l9 }
end;
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@% T" }5 O) e5 {* j2循环语句
5 ~) q# R: a& u4 a1 z. M (1) from <statement sequence1>& }3 _, J, r0 r! [" K
until <condition> loop9 { l, H' Q& K' O2 j0 x0 Z! ?
<statement sequence2>;
6 n8 C6 _3 H2 ^0 d( \7 N' o& U end;
) Z" S0 m/ a' P. U: L# z (2) while <condition> loop
7 z) `0 H: g" D/ ? <statement sequence1>;. G/ f, Y" V& s7 J# m0 `
end;
5 i$ K4 W' d% j, o9 E (3) repeat
2 U- f7 h; l2 d5 A' D s <statement sequence1>;! {: d8 p' O1 A P& [' \, |
until <condition>;
! { z3 b( ~3 T3 w5 l6 z (4) for <condition> to <condition> loop6 e& M, P1 v7 C- `
<statement sequence1>;
6 u9 E' {/ C4 Z8 L }, \# P# ? next;' l7 _7 R ?. N0 x3 e" b E
3中断语句
. k( G3 G. s/ @: P4 d9 { waituntil <condition> prio <integer expression>;
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以上为常用的函数!" G9 i {3 @) y% ?
还有很多,如有需要我把资料发到你邮箱里
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