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发表于 2012-11-13 08:48:12
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1判断语句& J$ k8 q9 c B9 b
if <condition> then
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<statement sequence2>;( b0 b0 Z& D! g
else
' ^, y" F1 O! [ <statement sequence3>;
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如果分支比较多,用:
8 g Y) [; q8 E5 t inspect <expression>
, E; |: y Q8 s" O when <constant_list> then
0 z1 l$ x3 a% l$ \' W+ R+ A <statement sequence1>;& V d Y3 b' k. w. ~! D
when <constant_list> then8 j+ V! {8 i1 D' C$ Z/ P) `, v
<statement sequence2>;
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8 J) C9 Z, j. X else
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end;
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(1) from <statement sequence1> G9 p2 s% W7 J$ E, o9 o
until <condition> loop
4 ~. R6 i; `, }" R, m) S1 w1 @ <statement sequence2>;
6 |7 b5 _6 u; Z end;
8 i5 Z) [" s& ]" G2 n (2) while <condition> loop+ _- [; k9 j: x- @! ^; X t( T
<statement sequence1>;% E7 B# j8 ~7 B0 s) |/ S
end;
/ m: a5 [ M0 J, t' I: g2 W (3) repeat ( c7 a1 J/ b/ I& \* c0 R0 ~7 M0 _
<statement sequence1>;
9 a2 s+ s* W% | until <condition>;
) s3 {6 A0 t$ r n3 t( v! Y (4) for <condition> to <condition> loop
5 D' d/ p) f; x5 o4 w+ t! s& @ <statement sequence1>;
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3中断语句3 c4 r( W7 X; Q; j; c
waituntil <condition> prio <integer expression>;
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以上为常用的函数!$ |& }1 \$ h: F
还有很多,如有需要我把资料发到你邮箱里
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