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发表于 2012-11-13 08:48:12
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1判断语句
' A' w: b8 G3 R* b if <condition> then
' R- q6 L5 B& z8 l4 V <statement sequence1>;
4 i3 P2 R* [" N elseif <condition> then1 Q/ N+ J$ k; {/ _) s3 i1 A# G/ Y
<statement sequence2>;
% \* ^9 ]4 m' L3 G* m2 p" X else 4 V" z3 i& h6 e0 y) F
<statement sequence3>;
& i Q0 y# A. ?6 T3 I' s end;
- `) [ n1 k1 x如果分支比较多,用:8 P" s5 R/ g; p9 a! Y( Y
inspect <expression>
0 B" x: q9 h, _' J& q when <constant_list> then
5 h9 u& e, a- |4 Z& k <statement sequence1>;9 a% i: u, N4 Y* ^7 A' ]
when <constant_list> then6 i: e) F+ w1 r# T" {
<statement sequence2>;
% D% p) w3 p: v) r" _7 S' d' E ...
4 u7 s2 A) ?" h, B/ ]) E else
: m+ P: [, v- D3 C- U <statement sequence3>;+ O- g4 s U: K# E, W3 v
end;$ ~) H( J- d8 w7 `
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2循环语句- c3 {3 \. |, p' }
(1) from <statement sequence1>- b, z- G; A3 K
until <condition> loop0 o4 E) Q; G( y( a
<statement sequence2>;
6 A; F+ C3 T* L* n9 o) ]+ b3 q9 L- K' \ end;. \& a. B8 p! o8 i$ c& K9 P
(2) while <condition> loop
1 U% e* N6 x& J# ~8 p5 \# p <statement sequence1>;
. |- s' x, P2 y- Y end;- F. ^/ s: s) E& I
(3) repeat , a% p5 P! A, @. t" c& I9 ?' H( c; V
<statement sequence1>;4 u5 J' [5 F( a* t6 V
until <condition>;" z; K7 g1 Y6 s; n% r
(4) for <condition> to <condition> loop
0 s' @: d/ j8 _- M6 h; [6 N7 g <statement sequence1>;
+ t$ [9 W3 V1 n% T0 d next;: d6 r# E% K* v9 w8 P, R3 O) X& U
3中断语句
+ s7 @1 e( p$ [9 _# ] waituntil <condition> prio <integer expression>;
1 m; X2 @5 p' ?) o1 B i& H" h0 A @1 ?6 f: n- s# G1 H
2 N) ^* K/ j% k6 Q0 j
以上为常用的函数!
9 O, h( A% j0 H C* @还有很多,如有需要我把资料发到你邮箱里
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