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发表于 2012-11-13 08:48:12
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1判断语句
1 T& a- ^) o2 N& Z: @' y if <condition> then* `1 e* g8 Z. |2 B# A$ H' p ^
<statement sequence1>;
6 I* C4 f9 g& G5 U6 ~; s elseif <condition> then" `4 U7 Y& }4 p
<statement sequence2>;9 C( ]! a: R n
else
) ?) H/ m4 u5 d$ J- q3 S <statement sequence3>; u7 F7 H1 n' K; z
end;. V+ Q$ V5 N$ I4 G& e5 n$ `$ {( D: H
如果分支比较多，用：/ |/ r* B$ y! K$ x2 y
inspect <expression>
3 y! a* o8 S% p0 f; ^8 R' J D# u when <constant_list> then
6 W. _5 n9 J% W# C9 ~7 B" l <statement sequence1>;: ?4 d) j5 f/ |' b! y
when <constant_list> then& h! b Y( E; h) k" s) S) g
<statement sequence2>;9 M. V0 ]7 s, _" G1 j
...
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<statement sequence3>;( y V' x3 O8 }' K7 u$ F) w
end;
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2循环语句0 Y: h( N5 ]3 P
(1) from <statement sequence1>
% ^! P2 R9 @% D$ P: w% v until <condition> loop
! ]) S( ?! c) T- E& f <statement sequence2>;
7 F3 d& J) h8 E% I$ Y! E5 ]6 ]# ` end;
g- b; b+ q& C. f (2) while <condition> loop( x2 }5 l3 D, Q
<statement sequence1>;
8 b. b: \8 {- k4 z end;5 @ O5 h+ C+ q6 |2 c
(3) repeat
* V& d3 h* F9 x8 g( X <statement sequence1>;) G; X3 r- i F8 O- u
until <condition>;
. R# V4 R. t+ [ (4) for <condition> to <condition> loop
1 Z7 W' r+ ^' L# z/ [- Q <statement sequence1>;
! n- t8 e9 f" T7 b/ F+ h/ l next;
. [: n( F8 Y) c" h- M2 V& N3中断语句( ^, I% X. y2 O! k
waituntil <condition> prio <integer expression>;& C$ z/ D$ Z$ R' H; N6 S& v
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以上为常用的函数！$ p6 _# m7 V& O$ t
还有很多，如有需要我把资料发到你邮箱里
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