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发表于 2012-11-13 08:48:12
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1判断语句! Z$ J) z( A+ }0 R4 H! a' ~$ i
if <condition> then4 O. w5 M* _7 N9 V7 `
<statement sequence1>;
3 o; @+ q% R% W; V5 V8 [7 \' V elseif <condition> then0 q% z6 S9 ^4 }* s1 ^# r
<statement sequence2>;
/ {( R1 o4 s1 C, E6 m6 z8 h else
2 T6 @; M* z( I6 \+ Y <statement sequence3>;
/ ]6 O3 f& I, e4 l end;; _0 A) k$ J% e& K
如果分支比较多,用:
& x% A" w& W9 H inspect <expression>/ S w( v' G+ ~) y# y T1 u
when <constant_list> then
3 O9 o Z: z0 D; e* s! T <statement sequence1>;8 r# G( ]1 v6 E# W2 S+ s
when <constant_list> then/ ]" ]. i# w& o7 z! [" T
<statement sequence2>;+ G8 |9 ^" B" h9 J1 J
...
: l% `5 j* V- _7 J# v q3 F+ s else
8 J" C1 P0 b7 b) Q* W- S <statement sequence3>;! g7 p. I+ [, J' t. E, A
end;
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. {5 |, ~# \1 ~ l' m7 R5 n' o2循环语句0 @5 l0 L8 F* a' S$ C
(1) from <statement sequence1>! ]! K1 h6 d5 K9 D2 g
until <condition> loop( b; C' L/ c* {. z0 n
<statement sequence2>; [: {. l5 k) [; U
end;) _4 ~! t k" g1 \& G4 L2 G& \
(2) while <condition> loop
4 }, t4 o2 O2 X; m# q7 m P1 E <statement sequence1>;( H& U5 s) Y9 y( s1 K
end;
. R% ?! O! {. h6 b (3) repeat ) C7 x4 A$ d5 X+ ]
<statement sequence1>;
4 N# _4 [" P3 [ j, M until <condition>;; N/ e, ` ?9 ~; K
(4) for <condition> to <condition> loop
1 b n* D% m7 X3 E <statement sequence1>;
0 A) z6 g% K4 P7 \ next;
+ X, [( L) ^' s& A* T* b/ c# A, q3中断语句- i5 `( _- x- } R W2 B9 I( K
waituntil <condition> prio <integer expression>;
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7 L9 d4 N& b2 q* S& h0 v3 B以上为常用的函数!8 l& ^4 g$ J, ^# G& Y
还有很多,如有需要我把资料发到你邮箱里
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