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发表于 2012-11-13 08:48:12
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1判断语句
! [/ J' j$ \* G) ^9 a- o# u' T if <condition> then
6 C& d4 C" K9 J4 P5 E <statement sequence1>;
# L" q3 Y1 M4 o5 s1 j" a$ h+ K elseif <condition> then! c/ ~/ Y1 p2 s C# M
<statement sequence2>;; U p, O; s! P1 W
else
- Q; d1 W4 k+ ?- w' R <statement sequence3>;
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如果分支比较多，用：0 i/ A& X/ ~$ K: K- [
inspect <expression>- K/ V# F0 v3 m( C Q4 I4 E! o& ?
when <constant_list> then9 b/ i, y) w. ~2 I
<statement sequence1>;2 e; Q% R! ^2 C6 q
when <constant_list> then
$ u* ~7 X) _6 K' t <statement sequence2>;
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else X& x& Q: q7 M5 U. [* f
<statement sequence3>;
& {" t) {; w0 j6 f5 Dend;/ K+ Q# c5 w! A! ~( l u( I
! y) V# x5 h4 J3 z6 q% V1 Q% M2循环语句
) a$ X1 ]) m d K (1) from <statement sequence1>7 V2 |" ]0 ]6 P
until <condition> loop+ r* l: p/ ~7 d, R7 N$ r
<statement sequence2>;2 O5 R4 E& I5 k$ R. r7 g+ b, J
end;
' ^$ t/ w. E& q$ I3 }1 p (2) while <condition> loop$ ]9 F/ ]5 z0 P' t7 t: _
<statement sequence1>;5 S8 O; X+ T% H+ K9 F0 A1 K) k
end;/ H @% r8 c7 m+ ?( W
(3) repeat , J( d9 K P) P9 O& E
<statement sequence1>;5 `2 B- ?- _, O- o
until <condition>;2 U* \! }* V" f- s* l; K
(4) for <condition> to <condition> loop* j; y9 H. V: \9 G4 N& p
<statement sequence1>;
) t/ l+ M* f- D: g next;
% k* ]4 Q: h! G) C3中断语句2 v% X8 D* @$ b' J
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
: V) f+ @3 [2 Y还有很多，如有需要我把资料发到你邮箱里
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