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发表于 2012-11-13 08:48:12
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1判断语句
& E9 E8 y( ?6 s if <condition> then
: \$ T" y8 i$ Z, v# d/ g2 n <statement sequence1>;
/ M0 u# K9 j l w elseif <condition> then' J5 x+ k7 M; W3 u) b, U
<statement sequence2>;) O5 e* d+ Y; e0 G
else ! L( Y' C" {% {" B( c) F& P6 y
<statement sequence3>;: D3 N4 P: g) ~3 }7 v
end;, t: C. N8 ~/ j B( o- _! M6 R
如果分支比较多，用：
+ D3 `' u. _1 q9 \) C. G$ ?/ Q inspect <expression>
. H/ l& [7 E' v; ? when <constant_list> then
& v: z4 Y7 `# } V! L" q4 ] <statement sequence1>;
5 f7 `0 Q L% J2 }- a% d0 s when <constant_list> then
+ Q4 [4 y5 a c! F$ y( P8 \ <statement sequence2>;
3 h! E+ H4 [/ C; }* k+ | ...
# v& V: a# K0 L* [3 v else( Y0 a& k- }5 _% H5 O l0 {3 C x7 d3 y
<statement sequence3>;
+ a0 J* C# [, S* z: k. bend;
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2循环语句 g5 c: s/ c- v4 `
(1) from <statement sequence1>; H7 P7 U% K- S& F& i3 y
until <condition> loop
z. B$ G4 D9 `& }: H T: q! ` <statement sequence2>;5 J# q5 i- `2 |* B8 s6 W5 m! ~
end;
/ H3 C+ W3 \/ v0 f9 x; i (2) while <condition> loop F* w9 O0 L" L! P. `: H
<statement sequence1>;' }$ @' ^( J' O: p
end;
3 q+ F4 ^" m: x Z (3) repeat
) z T, o& w# P/ I" C1 ~$ m2 b <statement sequence1>;6 E( t: F( q# e0 A9 W# `
until <condition>;: C$ e5 e! G( H1 v) L9 W
(4) for <condition> to <condition> loop+ o- Y( V9 R! i
<statement sequence1>;
$ j0 t* _) Z; k/ s& L, n next;5 K: C8 E; P" \
3中断语句; y: o! G f: j4 E8 n6 z
waituntil <condition> prio <integer expression>;1 F0 o' G/ h% r' p5 ]! K0 f
6 ]& _% a9 l: d/ @% o) E$ T3 q
`6 g2 a3 F, a6 j- X4 X以上为常用的函数！# e8 w, {& S j0 Y2 F
还有很多，如有需要我把资料发到你邮箱里
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% `: }* Z0 Y4 r8 q" e5 ]
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