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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
2 U: j+ [$ g* a2 e5 B# d. k if <condition> then
! q8 U. K# t V6 M& i" n <statement sequence1>;
0 a/ ]# f& i# o/ g. {! Q elseif <condition> then
4 ~' K1 s) q0 G, H <statement sequence2>;# o3 o g: ` M$ \
else
! ]8 o6 r5 G: G. \( D <statement sequence3>;
" ~4 ~7 {% ~4 a9 c end;
7 `- [, J; j5 p( @9 ?如果分支比较多,用:: W& g# D4 w- K+ r
inspect <expression>
! r4 e8 z- k! g* G) P7 x" }3 B6 { when <constant_list> then
: _6 w0 |: S" U: N/ X+ @% G! Z$ k <statement sequence1>;
: W6 b$ c& I& ]9 T2 a/ o when <constant_list> then/ f; x9 f3 A- q. L( s0 o
<statement sequence2>;- c* T. P5 z5 g! I+ ]& y& N; b
...
/ z5 i- [: w# }" e4 x- L else
/ ^% d! h! Q; c7 J, R& f- r <statement sequence3>;4 s0 G5 N( X5 \5 s
end;
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2循环语句
# [- m1 u. p# p2 U, t& `8 [ (1) from <statement sequence1>- V( b7 S3 C" W2 [! o
until <condition> loop; x" C2 ~ ?2 @2 n! ~% s! C
<statement sequence2>;. ?2 q3 L4 _7 M8 b& N* y/ Y
end;
, @5 W0 W( o' T8 q" [ (2) while <condition> loop
- ]" S" _7 s B& ]! d5 X5 [ <statement sequence1>;/ e; V# E' W* v4 Y+ O
end;
$ U. Z; {1 X0 R. x# M6 @ (3) repeat
: W1 u) J2 S' f <statement sequence1>;, \# S- g: V5 r3 v: B d. s
until <condition>;
; p& @) _! r6 a1 {: {/ Z( p (4) for <condition> to <condition> loop+ S# R- }% n1 \; M: X, p
<statement sequence1>;
: j/ @ D o8 s. e next;) \/ u" l, ]; _! ^* s( W* z% c& a
3中断语句 a, x! e, j- k+ h& L" U
waituntil <condition> prio <integer expression>;& q `. j9 g0 d( d. e
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以上为常用的函数!
8 g$ y# ^( e2 N# F# K* J还有很多,如有需要我把资料发到你邮箱里 9 J: y& R( q+ w& s/ ]/ A g }
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