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发表于 2012-11-13 08:48:12
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1判断语句3 V4 N o8 g0 t+ S+ a4 b
if <condition> then! u7 A5 v& H/ Q% y2 c/ c7 {
<statement sequence1>;
0 G8 J0 H) \( ~/ t elseif <condition> then
& x- r- ^4 I0 M# e$ O <statement sequence2>;
7 W @& F* U8 Z$ ^+ u) E else
, @+ X: i [/ a <statement sequence3>;
: H. B$ j- x% e! Z. ` end;
7 F; Y7 h" N. [ H3 U如果分支比较多,用:4 z) Q2 b& q1 j( M; v! P
inspect <expression> k/ n' S3 g- o" @1 L1 C$ t, B+ C
when <constant_list> then9 _, Z, {8 v6 X4 \ H
<statement sequence1>;
% l2 u* n8 J' q% K when <constant_list> then
; f1 R' t6 r* N8 W. D1 ?. z: u% J <statement sequence2>;
) M5 a1 ^/ n* Y: G* W ...
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<statement sequence3>;
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6 ^) I- C) w) P+ m" l4 v2循环语句6 d# D9 q, N, V& K1 r7 `& S
(1) from <statement sequence1> H' c1 a$ [- m# V& D& u
until <condition> loop
; ?4 w$ {" S. {0 ] <statement sequence2>;0 q5 d, c: E* Y
end;1 G) a, g- u8 |1 Q, j
(2) while <condition> loop
! @- z5 v$ ?* \# B: ? <statement sequence1>;5 I# I) G' Y) A6 q* O& F
end;' @ |- @7 G( i7 b; j& e8 g
(3) repeat
' H0 ~) Z+ p, J: ]7 p <statement sequence1>;
2 R/ q; Y6 K( o4 X2 d* Q3 t until <condition>;
; ^ N1 O7 ?2 N (4) for <condition> to <condition> loop
( k& O- O6 g7 R) T2 F; d* i* T7 ` <statement sequence1>;1 _$ s8 Z: H6 w' U$ w
next;8 H- C) N U! @) @% u! J) o
3中断语句; C5 H D" t6 M; Z8 A* ]$ y
waituntil <condition> prio <integer expression>;
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以上为常用的函数!
! `. o" ^0 X. T& D% z还有很多,如有需要我把资料发到你邮箱里 , \4 x2 D3 @/ e+ Z% o
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