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发表于 2012-11-13 08:48:12
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1判断语句$ O1 m9 {/ ^! N# G% \- ~4 K
if <condition> then
% ]* b! t! h- n <statement sequence1>;
+ h9 S J1 P) U! L! n B3 h elseif <condition> then
' X w# @7 `2 C <statement sequence2>;6 [8 c$ K2 Q8 I
else
3 Q1 S; q; R& B$ ] <statement sequence3>;! L2 t8 Y" x/ k" |7 X! W
end;
6 h& E4 T+ K8 i- Z, j' `如果分支比较多，用：6 v ~9 Z$ f* C# Y
inspect <expression>! H1 {+ L$ E+ N' f! m/ b2 {3 y
when <constant_list> then
5 E# l0 R, G" N; K <statement sequence1>;
$ b6 z; Z5 L5 ]. U. n when <constant_list> then' ^8 T3 q7 ]' h- _
<statement sequence2>;; _- Q \5 u7 t8 _
...
3 z' [3 ?" O, ]* J: T else
, J9 I8 E9 ?0 |$ I& ] <statement sequence3>;
. n3 V }1 u: U$ ?2 nend;; u" o; U4 A) b6 b0 J: s) x+ @
0 j% j8 x1 s( D! q% h- `2循环语句
" Q, K' V. G7 @" W5 k. T1 k- {0 a (1) from <statement sequence1>
8 y. O- U# i; F. n: c until <condition> loop: o, O: G4 c+ H* @! Z0 w2 i
<statement sequence2>;9 K7 W$ Q4 t3 h& }
end;
0 G5 y5 S; \* X) W; U+ I* ?- F7 u2 U (2) while <condition> loop
# T8 V+ T& l2 O6 ] <statement sequence1>;
6 l' b( ~" [! \$ w; X6 g1 Q' d end;4 h; @. R2 Y/ t; ? G# h* x: H0 h
(3) repeat
/ [0 N4 M3 K _! b <statement sequence1>;
2 P1 t" c6 w2 f) E# b$ } until <condition>;" `1 T6 {6 F. m" O B
(4) for <condition> to <condition> loop& D8 @* V% {: z: A9 P3 E; U
<statement sequence1>;: n7 f5 w/ P+ H: Q
next;
% k+ o! R) h5 f9 g# h0 ?3中断语句) `( k/ p: K9 t2 l
waituntil <condition> prio <integer expression>;
3 s( V( D9 E; `1 @$ O) c7 F$ ^) d) Z: ]
% F! |/ S1 E% d9 ]: b! H7 K以上为常用的函数！
) O2 u3 w' v& }$ Z1 q/ l还有很多，如有需要我把资料发到你邮箱里 0 ?+ {- ]: Q9 U! @. v' `5 ^) K
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