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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
) }& ?( r& D3 `1 y% w1 n& T0 Q& I( M if <condition> then! ~! t, p: x* Q$ ~7 x" j! E
<statement sequence1>;
4 r- a" c" J, @/ Z2 w elseif <condition> then
8 {1 y$ D! n6 W8 L <statement sequence2>;
- h+ b' C8 \) S1 ]0 Y else / b# d4 V/ U5 j) ]7 D. x
<statement sequence3>;
! ]& }0 `2 b8 m4 l# r end;. u' w9 W' q' \% u
如果分支比较多，用：- E. H0 k, y. e
inspect <expression>- `7 M8 y; ?' x r4 ?; j1 y
when <constant_list> then
! K5 e/ U2 E& N9 k* b <statement sequence1>;. h7 y1 E y) @6 t( l& D+ {0 `
when <constant_list> then
4 h |! O" Z& U9 V <statement sequence2>;6 e! B8 J& D8 u# r& v9 B; J3 k
.../ S' ?# p3 c& W U f$ @+ q
else
( I; s/ M+ s% p <statement sequence3>;
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2循环语句
9 r# ]! e' x) M. S0 m$ s, F9 { (1) from <statement sequence1>: q% k+ E) o5 i1 Y
until <condition> loop% n ^4 D( c0 J! X/ p
<statement sequence2>;
9 {4 |9 I' G* t" \& J( A' Z* g" q end;
2 L' b( r, D: L8 g (2) while <condition> loop0 }3 s! G7 s1 ]9 A' p O
<statement sequence1>;$ z, D! ^- r2 u' K4 a0 p6 H
end;" J' j4 x' C6 P
(3) repeat
% V, |7 n6 l, k8 x7 }* E3 G* A <statement sequence1>;5 t" z! g$ \ p/ H- ?8 f6 Z
until <condition>;& }. V0 w' z" q1 w
(4) for <condition> to <condition> loop; `7 o+ i$ `5 j! e/ D
<statement sequence1>;
5 S p! M! u) H& m7 }; V next;/ I7 O; L) K/ m) ~# S; c
3中断语句
7 M' N6 H: s5 k" \. U4 Y6 }& T) B) J waituntil <condition> prio <integer expression>;
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4 M7 Y, v# g. F, ?6 d9 ^
( x s: Z9 o0 e1 I1 B) T7 s以上为常用的函数！
5 m; L% ~2 R2 D$ X还有很多，如有需要我把资料发到你邮箱里 6 j# v2 z) R/ h( E+ H' z
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