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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
9 C9 @! I% r6 Z6 n if <condition> then4 @' |& N4 h) W( }- N; R
<statement sequence1>;
/ r3 J/ w7 V( Y. i3 ]* n elseif <condition> then
G( h# G" Y6 `+ K1 {; ? <statement sequence2>;
* R* d1 @( o9 {: G5 E else
. P5 n# |% j; W9 Q0 x/ Q <statement sequence3>;
! C. T" l7 u: M# `* t4 L end;4 D* F' ^. Y. _2 o$ r7 X
如果分支比较多，用：+ z) ?* Z \$ H4 k8 I# q
inspect <expression>
7 ^! `4 c/ e8 ]" n& G when <constant_list> then
+ ]* A( _( ^6 ?( V* B <statement sequence1>;
+ x) @8 ]% T9 m* b when <constant_list> then
2 Y/ Z9 c5 R, ~9 S <statement sequence2>;
: L3 F- V) R2 ]* Y/ o ..., d+ o* b* y5 O
else0 d, q R' t F% b3 s. m# X; Y* T& D% c
<statement sequence3>;6 a+ o+ Z4 m! f# v/ D6 A
end;$ D( |5 E6 s, y/ P# D9 R
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2循环语句
' Z# D, L3 h# G. }3 V (1) from <statement sequence1>
- @2 i" u S: i. i$ K until <condition> loop7 s: J. h5 e" `; g2 J
<statement sequence2>;
/ q" J/ g2 U. q& U5 E" j% U end;
( `/ ^& n+ p, `; | (2) while <condition> loop
+ ~' p7 [8 }1 x7 f( x6 B <statement sequence1>;5 X% n8 |7 m! k" U4 o: H& A
end;
$ f. Y/ p- @/ j- d9 t& A4 ]1 K6 e (3) repeat : V3 ]' E* c1 Z) h8 Q$ b' [4 ~
<statement sequence1>;9 i* {- E( y$ a. D
until <condition>;
* w/ R8 M( l1 i (4) for <condition> to <condition> loop# e! ?' i- y4 E! [& H1 W
<statement sequence1>;1 @1 D8 N9 Z; b6 S. J# J6 z
next;# m6 u6 W, B4 t; a/ ?7 l% R
3中断语句0 _0 h+ D! t' i+ M) K/ G
waituntil <condition> prio <integer expression>;
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以上为常用的函数！& O: z" z) o, u' k7 g" g* ? @! t+ t
还有很多，如有需要我把资料发到你邮箱里 ]) X! O# J3 @4 p, }1 j2 D: O* t8 |
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