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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
7 L2 ]0 {' S& ^1 h1 ` if <condition> then
( m( o8 ~, v) X+ \9 @7 I <statement sequence1>;( {* o. u. o) v H4 ^
elseif <condition> then6 e: A! `. n% H( A; p5 b9 K+ F
<statement sequence2>;+ _8 r0 O L% M1 r' X' {
else % E8 p3 u7 ~. a2 C5 }$ u
<statement sequence3>;
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如果分支比较多,用:
; [) Z* ^ t# f$ |% P inspect <expression>1 L/ k* G& c9 S9 x q4 n
when <constant_list> then8 ~( w7 k1 C1 T* ~
<statement sequence1>;7 N# I; b% E/ R8 P! Z
when <constant_list> then
5 D! ^1 I6 _4 g* i. S3 b <statement sequence2>;9 m$ r) p6 u/ B( r5 l
...
, l' c; d9 [9 ^: M& _ else
1 V4 f+ }, b2 H5 |# S$ r5 M/ D <statement sequence3>;. h2 {9 }9 r1 p
end;" o: b( J' r& j4 @3 l0 [
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2循环语句
0 y7 `- {+ c2 v2 a2 I$ b (1) from <statement sequence1>0 w- d1 x( b+ A! E: n( I
until <condition> loop
5 ?$ D' W. R6 U- @9 x0 l9 |: Y <statement sequence2>;; E2 m3 H7 Q% a) a' d! F
end;% |( I8 T. Q# S8 Q: _
(2) while <condition> loop) l2 J8 q. H& L1 e6 T2 h! @6 b
<statement sequence1>; M" t4 E6 Y% F
end;% n* R0 k) `* U& F5 E$ C
(3) repeat
& c# p$ o$ \2 y) l3 s! x) J: v7 _& M: v <statement sequence1>;
5 U. K$ P9 H; z until <condition>;, S6 V- ^1 A1 S9 d2 z; A4 G' P, s
(4) for <condition> to <condition> loop
% v. f! i: u5 v2 ]3 ? <statement sequence1>;5 H! c8 n: z- r$ U6 C
next;
9 l4 c& J3 R( e# H0 x$ w7 n- e3中断语句
8 n3 F; c; n2 O3 j waituntil <condition> prio <integer expression>;) v: D8 |8 c% P
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9 Q# f% t& U/ Z8 i V以上为常用的函数!
: `' h& ~# G8 u- |+ K还有很多,如有需要我把资料发到你邮箱里
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