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发表于 2012-11-13 08:48:12
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1判断语句% j4 _- R5 J0 @( A
if <condition> then
+ p5 V( k7 d3 n+ ~8 c5 z- c5 w, y <statement sequence1>;
+ Y0 r" ]+ R4 p* L/ n+ P: p elseif <condition> then
) L% J% c* p) d$ `) {1 w' p <statement sequence2>;7 { R( L) E' ]7 N
else ' V. \( ^! ]$ O, Q8 L( s5 x
<statement sequence3>;' C2 b9 \6 e1 c% s. I) L% a! L
end;
8 f) b8 g. `1 Q" P7 E% e# A如果分支比较多，用：
# ?6 i& x; b( V8 F C& o. T9 M inspect <expression>3 S& z! y+ M/ N. e# R R- J
when <constant_list> then
9 W2 F1 o6 z G6 X0 O) q( X e3 A <statement sequence1>;
( t3 E- G& C. w" O' p% n when <constant_list> then8 q ]# E7 L' O/ o: O$ ]* x
<statement sequence2>;3 l9 x3 j, Z% M3 P7 Z
...) C6 [5 y5 n8 \! A/ a" F
else, W8 j+ N# X( t/ l- C9 f0 f
<statement sequence3>;; x( u4 C$ ^9 ^% v0 N4 h3 _ L8 _
end;
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3 ^8 Y: n+ w4 S2 `9 P$ \2循环语句! \9 p. O2 X5 Y4 Y6 p- q
(1) from <statement sequence1>
( Z; S( b* M @$ A until <condition> loop
! p4 u0 L4 l- G/ s2 H1 K4 C9 z8 c <statement sequence2>;
6 b2 k' m1 w* R2 S" P end;. i0 F, e' B$ S3 Y) g9 m" `1 g
(2) while <condition> loop L2 P& n. |3 {3 P9 E
<statement sequence1>;
0 v- ]( R% E# @' a; F5 k$ S end;. j, @$ c+ k2 u, Q
(3) repeat / O, L" w0 v8 ], f$ `
<statement sequence1>;! {# \2 W7 W/ Y. x
until <condition>; X/ y8 p! S! W1 P1 R6 o
(4) for <condition> to <condition> loop
* }1 M7 s5 F: i" _ <statement sequence1>;2 J; Z# N5 L$ ^- Z; h3 [; F
next;) E) @* I! ~& l! @. V; C8 V
3中断语句8 V) ]( m0 b6 @+ b4 x7 R* L
waituntil <condition> prio <integer expression>;
) v. `+ L) y8 q. I9 R7 ?8 C% Z2 g1 i- `
5 }7 a3 D$ ]+ c y+ a以上为常用的函数！
5 B% O" x" W0 i还有很多，如有需要我把资料发到你邮箱里
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