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发表于 2012-11-13 08:48:12
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1判断语句
. l* m% k+ @& T9 R' y5 `3 h, Y" { if <condition> then
) H' I& g1 n" i <statement sequence1>;$ f. d! L b; @, Q) O* a
elseif <condition> then3 U$ j% J1 v e% m" A0 [
<statement sequence2>;
$ @' C4 F5 S$ F8 u' m: \# g9 W$ \ else
, w9 ^1 `: E, I, X. H( x0 B# q6 q <statement sequence3>;% R/ _- s5 e) r- ?2 X
end;. M9 p! x- u) d( l
如果分支比较多，用：
8 i1 J0 u- E0 D2 [ inspect <expression>
( U9 N4 D( {! t+ R u5 W when <constant_list> then
/ Y! P6 {, m% k6 z* A) J <statement sequence1>;
2 l3 | l* y9 b4 ~; n; q when <constant_list> then$ C K- ]7 j1 Q2 i
<statement sequence2>;
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else: h; j1 k, i. l
<statement sequence3>;
1 z3 t5 S4 }( l- u- M% |end;
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- Y. V R" U6 c9 J0 Y' B2循环语句
, I6 M2 O8 R6 G3 \1 h7 c (1) from <statement sequence1>
; f2 s' @2 r, i- Z; G until <condition> loop' `" F1 d! v' E
<statement sequence2>;- p, s+ [0 w. Y9 M! |
end;& ?; C; w* C" H% @6 E5 v
(2) while <condition> loop
O* d4 S& E( G3 O+ g1 B, h <statement sequence1>;
5 _& [; Y0 T2 [% [8 J end;/ F) b# x4 l' d1 V: O' M
(3) repeat
3 i# |3 k: p# E: ^$ m3 j <statement sequence1>;
0 f( t% H1 Q& K3 r until <condition>;
1 y1 O, U7 S6 P' h (4) for <condition> to <condition> loop1 Z6 C' W+ b% I/ `
<statement sequence1>;
4 x) ~- b9 T! u ^3 q. u, [& }7 e next;
+ C1 W! R7 k3 I4 F* ?9 l3中断语句% \: `9 y* K3 d; j6 G5 c3 p
waituntil <condition> prio <integer expression>;4 Q0 ?/ o# l: G; \1 Q- ?6 }
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8 t" Q( A w3 b3 O5 _6 {
以上为常用的函数！
: U- l. i. e- r( e还有很多，如有需要我把资料发到你邮箱里
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