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发表于 2012-11-13 08:48:12
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1判断语句) ?5 P0 I. X' l8 q
if <condition> then8 @9 v% K% |: J0 U
<statement sequence1>;
! R' n* q+ e( u elseif <condition> then0 R/ ^9 L; _: P1 }4 {" e2 ~
<statement sequence2>;
* D6 d' B, A" D) i( H else
7 C1 i& m& {0 U) f1 U2 d <statement sequence3>;5 d" x" H* Z$ z2 |( m+ e
end;
( T- w: E8 Y3 \1 F' N6 O) i) m如果分支比较多，用：
" ?: G2 T5 l( b inspect <expression>
6 `4 }; ?( b8 q1 V% ?) C+ u5 P$ ~ when <constant_list> then
5 T% p( N5 S" W+ \# N/ y9 y <statement sequence1>;
$ g3 Q" P1 ^- f$ q6 _ when <constant_list> then# [5 N% g) a/ A7 l# k# G2 c
<statement sequence2>;, [( w& F# g; ?/ _
...
/ [$ g2 L2 z# Y* b" M else
# H' P2 k! R; u, |5 X' F+ I <statement sequence3>;+ _7 B$ k/ ^: [- i
end;
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2循环语句, v- A; i5 J/ u4 R) x
(1) from <statement sequence1>
! D/ Z% E, z% i1 u6 _ until <condition> loop
: A' q& v# Z9 m+ | <statement sequence2>;
' x* }2 M& p+ o" j7 f8 W, H5 N! e6 z end;
) m, Q9 X" I/ k1 l) t: [ (2) while <condition> loop
{# O, m8 H" Z <statement sequence1>;1 O/ V+ M+ p3 i9 j! m! o
end;
* J4 q z: i' j& B2 I (3) repeat , y) P1 u R# p9 b+ `5 z
<statement sequence1>;
% Q8 J, ~& g' S/ G7 ^ until <condition>;4 d2 x: P+ S% t4 D
(4) for <condition> to <condition> loop; w& b2 }+ ^% {1 \1 Y: K
<statement sequence1>;
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3中断语句* T/ ?" `6 R. K* K, L
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
4 z1 n4 z" p. c% i& _( x还有很多，如有需要我把资料发到你邮箱里 # S1 X/ j Z) p3 r" |) T2 g1 E
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