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发表于 2012-11-13 08:48:12
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1判断语句* ~# |5 g! G+ O V* C
if <condition> then* p4 x8 `2 p1 C; b1 ~5 @0 d) _! {1 R! |
<statement sequence1>;/ D0 {6 M' f$ J9 k
elseif <condition> then
9 G' k3 J. l/ j6 E4 t <statement sequence2>;. ?' }; Z, x7 `8 k, ?4 f5 k" x
else 2 Z3 u1 U2 @3 G
<statement sequence3>;
% V: O9 j+ E+ y# k- S0 { end;
2 N: D. I3 k O; p; e+ r如果分支比较多，用：! Z. }; A2 w* o$ ~- Y
inspect <expression>3 v' [! J' p' H' j) r( S
when <constant_list> then
! v: x; W5 I, ~9 b; [/ x7 R <statement sequence1>;
3 o( d2 V. Y/ D: {( v/ c; Y6 G) i when <constant_list> then
0 r- ?3 e* N0 z# L; z <statement sequence2>;% Z+ `' }$ S/ b9 q
...
1 {6 G* [* O; \ else
5 E+ a) E* H; `$ {; {8 ^ <statement sequence3>;+ {/ |# [5 k. w/ u5 Z5 o) ~
end;
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2循环语句, U2 q# w7 A, \% X0 P. I7 f4 i6 d
(1) from <statement sequence1>
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3 p: G! E0 Y- f1 U6 U <statement sequence2>;* o& a" C4 [3 ^( ^; j& w# g
end;
P6 l' [' c1 U: h (2) while <condition> loop
8 {/ p7 h2 k N' A+ g" u1 c5 @ <statement sequence1>;
$ j2 z8 W: X; T9 [, @ end;9 _1 q1 }7 n) a/ t9 I
(3) repeat
+ q+ \# N. Q- _5 }' [" f: x <statement sequence1>;
4 ^; b V% E# G4 ]3 g until <condition>;' E; E7 L# e. B6 t5 V
(4) for <condition> to <condition> loop" L, f# a" o) }/ r9 f3 c
<statement sequence1>;
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3中断语句2 h% A& G; Q# i: V
waituntil <condition> prio <integer expression>;
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2 m% K) j) _$ {以上为常用的函数！
1 C& N$ G B9 E. F还有很多，如有需要我把资料发到你邮箱里 / n& ]0 z; c( [( D
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