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发表于 2012-11-13 08:48:12
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1判断语句
, R' m' _# n. @4 C5 a( Y- q. j* c if <condition> then
9 q2 s2 L/ E& z <statement sequence1>;4 i( U: N) T. j
elseif <condition> then
7 l5 L+ R6 K* P) n! t0 T. P/ s <statement sequence2>;
- E; ~; F- }/ C: L0 u3 p else 5 K2 b: D* W# ` x4 P
<statement sequence3>;
9 I) [3 @# y5 S Y) l2 ~ end;
' U* K2 ^0 X# u+ b7 _; i2 ?; }如果分支比较多，用：
% v) i, y! ~" @0 B8 w1 n inspect <expression>
- W/ V2 U5 \' }* f when <constant_list> then
3 m4 l6 A3 s, i8 F <statement sequence1>;
4 Q0 U" a5 _& H* K) C$ F when <constant_list> then
! [2 b9 Y# O/ l3 p. t <statement sequence2>;
$ L v# F. U" G* v+ Q) y. Q) x+ o0 s ...
1 u" e% m& j- q, F/ {' P6 R& X else
% S0 D$ Z4 m$ L' [ <statement sequence3>;
1 j7 n8 E1 `9 W- \" ^* s& v1 iend;- C! N. L: p3 h
{1 ?* B( m; H8 h. m2循环语句
' g/ d' U! |5 E8 G. H" q2 _ (1) from <statement sequence1>
1 s$ n/ Z8 D0 p) u until <condition> loop( C& j( `: n7 }3 L: @
<statement sequence2>;
@9 i- N) R2 G! V ? F2 ~ end;
$ W1 L9 Q& o) t3 b' L4 e (2) while <condition> loop
$ X4 r) G) r2 Q0 d8 Z3 O7 y: V <statement sequence1>;$ x8 t# l- a3 R6 x8 `
end;1 q( Y2 t& g B5 ~) _( g7 S1 N* j
(3) repeat
: Z, R( k# @0 V8 r, b4 ` <statement sequence1>;
" i/ v& ?% k; m) E( m) R until <condition>;
) O/ k0 O4 C* g (4) for <condition> to <condition> loop) h. P0 x7 x1 }" T$ ?
<statement sequence1>;' W9 j, j5 [- d; x
next;5 l) X: C$ I% q
3中断语句- c: r% M. G* k7 a; L: }' z( d
waituntil <condition> prio <integer expression>;. V7 t8 A6 n1 u3 Z9 ?+ R7 ]* A
% Y5 [4 }. e8 f8 w
( g* K& R" w, x# ? B以上为常用的函数！
0 N5 A- f6 v, j5 C( G: G ?; n( d还有很多，如有需要我把资料发到你邮箱里 8 W5 X x! l& R. _* E
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