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发表于 2012-11-13 08:48:12
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1判断语句5 v) Q- j" v8 q" Z* @
if <condition> then
' s9 W2 k& X& P4 L9 o( k; T <statement sequence1>;3 r" C; u% e' o+ r
elseif <condition> then& t' p( Y- @, h2 ~- X
<statement sequence2>;* Y5 m$ B% T) N) r# a& _3 V. h3 b
else
( u' U, q& A* F6 Z2 B <statement sequence3>;
& M8 j5 @- [0 s4 ~0 |7 I7 q end;. d4 ^5 j0 k: f$ M z7 j) W& X
如果分支比较多，用：( m3 J( e! @6 D
inspect <expression>' R3 I9 N: C) a
when <constant_list> then: f1 O/ T7 W5 j4 `( B/ l
<statement sequence1>;9 E4 P' g; r0 J" [5 l$ W
when <constant_list> then$ A" o+ V2 s6 H
<statement sequence2>;
4 m0 ^! {* a' m3 p# ^/ L# | ...
, M9 K6 z: z8 p8 z! w, ~ else
- K% @+ t7 N! c5 {2 k0 E <statement sequence3>;
+ a! u, C& M% `% |1 Rend;9 l7 p- L. q* r# V4 H
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2循环语句* }; F7 P& R( R, u0 f5 _
(1) from <statement sequence1>
$ A& z9 w* ~2 L" p until <condition> loop
( h0 z; s3 Q) r, m# F0 z' Z, h2 X+ ?, X <statement sequence2>;
8 D3 O1 p$ h# Z4 j end;
6 B' B# p8 o% W (2) while <condition> loop* @, I& T4 V, j9 u7 A
<statement sequence1>;: I2 T# B( q7 Z5 X' P0 s; I/ h
end;* P& v. C0 o' b
(3) repeat
6 M" S- G& F! @4 h/ ^% L" ? <statement sequence1>;
. _* f1 h3 L- w3 n7 d until <condition>;/ A; B& h* Q) M: L6 }% x( x
(4) for <condition> to <condition> loop. X! D v# ~- J8 M5 F
<statement sequence1>;
- [) \4 B) q# D next;
& Q' C. R! z4 h5 v( V3中断语句
& C( [ d: s8 r, p waituntil <condition> prio <integer expression>;# y/ m# u8 R5 R. n; S' [. V
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以上为常用的函数！2 J% O' R7 a( q, Q$ l
还有很多，如有需要我把资料发到你邮箱里
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