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发表于 2012-11-13 08:48:12
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1判断语句$ I+ n, D& R( \* e, O
if <condition> then# g" E$ x5 t4 n7 k9 s
<statement sequence1>;
& u* q, G O: R0 C+ {7 N& | elseif <condition> then
W% L* \5 S3 }# N5 J <statement sequence2>;
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<statement sequence3>;6 ~9 Z( ]* E' E
end;
0 _! U m8 L7 G5 G如果分支比较多，用：
3 @4 k7 C# T+ P( }* j4 K inspect <expression>0 E" b! x- F# y# t( m4 q
when <constant_list> then3 J( Z! k) f; D; A
<statement sequence1>;/ J2 m1 F, D; p2 @
when <constant_list> then
. v0 n5 d; p5 V: ] <statement sequence2>;
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else
6 x7 w/ p& |% W4 }" K) U$ E <statement sequence3>;
, b- r$ @, b0 Gend;
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2循环语句
' f3 y3 _5 N# a (1) from <statement sequence1>, L- r- p! o" d! i# b
until <condition> loop+ }0 ]9 Z; p5 W) }" m
<statement sequence2>;
& C: R& k2 a6 R7 x+ {; ~8 E- }( Y8 E end;
" [1 M1 g0 |1 [; x6 u7 W; [1 {+ \ (2) while <condition> loop
- G* P4 U! o4 [. b0 P/ U( e+ q <statement sequence1>;; H% N1 L0 A4 O3 B# `9 \& ^' j
end;* [& P- e( L) ~5 F0 W9 Z
(3) repeat
0 o# A6 c/ j, h/ i1 w; a <statement sequence1>;4 t4 P6 I) D7 b, ~
until <condition>;
6 u, x* H2 ~' A% f& K. h; ~( F (4) for <condition> to <condition> loop
) [* ^* I3 l" X4 I+ [- V <statement sequence1>;
. A( J' W& m) }7 j7 |: Z S* K next;
4 J& Q5 y, o( x3中断语句
" f) E# X" g& e' C- J/ [; N7 f waituntil <condition> prio <integer expression>;
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) |$ H. V% l b4 _# h7 c以上为常用的函数！
- q9 h `( A3 j, q, s还有很多，如有需要我把资料发到你邮箱里 4 |' S& Y4 u7 R+ d* G/ E
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