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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
8 f: {: _( l/ u$ q* q+ V0 f if <condition> then
, y* }7 S0 E7 W% J0 h <statement sequence1>;
6 c, Z, H! P7 Y* y0 G- @" x2 i% z elseif <condition> then
$ A# b: T: m M! v2 I; R. z <statement sequence2>;$ H5 a. W! u: _- t
else
1 s# P+ R. k, N, u* P+ W! [: R <statement sequence3>; Y! `/ p9 p6 ]
end; \: u+ u" f' D2 N# o- r
如果分支比较多，用：
6 Y# G, W5 I( F* Z5 [* [6 ~8 h3 J inspect <expression>: g, e: w( i# S( f& F
when <constant_list> then9 z+ o! |0 o3 D3 z4 P
<statement sequence1>;8 C) _0 x, N" p
when <constant_list> then. Z; {" e, C! ?. d- y
<statement sequence2>;9 o h: U7 b3 g9 m6 H) s: d
...
/ Y. Z u. r0 n, P else
5 E* d5 Z3 ^4 g* h/ W5 ~ <statement sequence3>;
) n; c" z+ `; T0 Yend;
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2循环语句; ~# i. @& a) i* R3 g) l
(1) from <statement sequence1>! z/ J' ^9 b( _: J7 U$ b
until <condition> loop
% } e4 [/ Q7 z0 E7 F9 x8 E1 r <statement sequence2>;7 Q7 N5 J4 F8 l9 q* Z c
end;+ i) Y8 N3 L1 ~/ h+ I
(2) while <condition> loop6 F( k9 ]) H1 s! ~% E
<statement sequence1>;
! r% _2 Z3 v8 c) A& ^& L end;
! [7 A6 H1 [" Q- M; W (3) repeat ! H8 F" E- r2 P5 D/ Z( e
<statement sequence1>; X# @) T5 E8 |- |# } n7 ]
until <condition>;7 D5 f# F0 k# U i) r. H# E/ b
(4) for <condition> to <condition> loop R8 m2 S! t" {: g6 H- V
<statement sequence1>;
5 l7 S$ Q$ d3 D7 @% j+ M next;0 n+ `) _- K; ~% E
3中断语句
: E& T, h/ t8 }( T2 Z6 @! ?% K) R waituntil <condition> prio <integer expression>;) K/ I5 k6 Y2 z3 v* ~
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7 D/ h' o) E7 ]) ^# n, Z
以上为常用的函数！
{ ]1 C% C2 u0 X8 }" g9 e还有很多，如有需要我把资料发到你邮箱里
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