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发表于 2012-11-13 08:48:12
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1判断语句! o9 E8 p# ]& j8 ?8 l
if <condition> then
) m& z) H% ~7 U. R: G <statement sequence1>;
* Z- C2 G2 [3 {& a* F elseif <condition> then
% D0 J0 C$ m _( h6 P& Q- e <statement sequence2>;
$ C& H t' ^- e$ j, s- K" B else
% g. L% s" W, N8 F$ A <statement sequence3>;
+ _, E- b2 V) }( L6 f end;
w S" ]& D% G2 Z* h0 X5 K如果分支比较多，用：7 ^2 D. W. k ^# S) B9 u
inspect <expression>8 F! w" [+ R9 T5 ]1 d+ v
when <constant_list> then
3 a- m( X! ^2 v& n6 L/ i* F" a <statement sequence1>;" x/ F ] v: F3 P1 X
when <constant_list> then4 f. }" o6 p# K, w* K
<statement sequence2>;/ I# e& H1 J6 }0 K
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else
& t- p% k- Z" N' j. C# J <statement sequence3>;
. B3 K. Q2 L3 T8 ]5 O4 K* vend;
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7 A7 n4 L- d7 @2循环语句
, Z4 X( V- I3 g (1) from <statement sequence1>
, i# |# ]; T6 B& k& f) A9 b. G until <condition> loop
. ^. \6 E b! y <statement sequence2>;
' _2 c1 T4 Q7 H0 t, [' [ end;. s, o! Q( w2 k" M( v- r$ l
(2) while <condition> loop
; J1 H% E: F$ i6 ]* }8 D <statement sequence1>;
1 @, ^3 }! V' J# t& U end;0 c6 V% m% c0 h6 c% i. U2 p0 u) d
(3) repeat
! @' _- Z# p/ ]9 S% h% q7 Q) M- z) n' t <statement sequence1>;2 I. `! l# s) X; t, T8 X
until <condition>;
; H1 z H+ H& v (4) for <condition> to <condition> loop
! G _3 ]5 g# D1 u <statement sequence1>;6 ]( ~. A8 Z$ [: z3 a0 @0 O
next;
* s* G1 F) [! ], w) X$ b3中断语句
# K$ m: @3 ~) N* d, X waituntil <condition> prio <integer expression>;
5 N7 W; I: b' z' s" g* a- f
2 _/ ^3 ^" Y$ A7 x0 L2 z& |& ]: }' H' z0 H
以上为常用的函数！
* u/ W" T5 i) p; }' \; N4 X- C) B e还有很多，如有需要我把资料发到你邮箱里 R$ F8 J3 c/ F' h' Z. |$ U
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