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发表于 2012-11-13 08:48:12
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1判断语句
( W; n+ b7 D1 i3 h if <condition> then
* G. P( V$ `9 u4 F, j$ s <statement sequence1>;; t! N, l( e5 Z( k
elseif <condition> then6 U5 @4 b0 g4 F, k$ }: q8 {' G' {( I3 b
<statement sequence2>;) V8 ^ L3 ]. M- q Q* Q8 p1 ]1 v
else
. \( G: r7 ]+ l+ x <statement sequence3>;
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如果分支比较多，用：
- N( r. N8 ^' {; X inspect <expression>
$ } @" r# Z9 D6 y7 g& j+ C when <constant_list> then9 z" e9 P9 a- G8 z7 _1 y" _
<statement sequence1>;2 Y( b$ i( F+ ^
when <constant_list> then+ a: S; l8 q, L! ?- E1 P
<statement sequence2>;0 i( m3 q- v. L- V: M
...
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<statement sequence3>;4 C0 S e2 [/ B( i1 @, }
end;
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9 T" p0 ^. E# i5 b( g1 O2循环语句
, Z3 I9 `% i- a0 _0 m (1) from <statement sequence1>/ H7 S0 W4 _& Y
until <condition> loop
. m2 m/ `9 O) a2 S W4 O <statement sequence2>;0 C# p2 r- U J3 j1 O2 {
end;
2 g4 n6 y: O* z+ k9 @( ?; w( c (2) while <condition> loop
" {" _4 M+ [! k" b' M+ G) N <statement sequence1>;2 y: f+ X) W o4 c
end;
- w. v- V4 A+ U0 F/ d# Q1 O- } (3) repeat " i" A$ z2 o4 e
<statement sequence1>;- J8 ?' S, t( E
until <condition>;4 @3 G" ^1 |4 E& d8 y
(4) for <condition> to <condition> loop
% I$ b7 ]( x7 n <statement sequence1>;
4 B/ E+ D! K/ b8 X8 N5 D next;
4 J$ b# V9 J$ X3中断语句
' {2 x4 R: J' G; D waituntil <condition> prio <integer expression>;
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以上为常用的函数！
. s" Y4 w5 B- X8 v% |% u还有很多，如有需要我把资料发到你邮箱里
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