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发表于 2012-11-13 08:48:12
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1判断语句
3 G" S, M3 U% n. ^ if <condition> then
_0 C# K Z' r# m <statement sequence1>;2 x O8 o {- M. Q
elseif <condition> then! D" E/ ]# e" X& B* X& x
<statement sequence2>;+ F+ Z% k) _& p* I7 }
else ) X' j5 r n$ @- e# H
<statement sequence3>;) s7 c K( \% O& m( s: z" o. i* `* v
end;0 F3 q! [" u9 ~; d
如果分支比较多，用：0 r3 [4 ^2 e$ t
inspect <expression>( k( ]# |4 N# ?5 t
when <constant_list> then
4 Y$ ?1 N; b9 R1 X <statement sequence1>;
) U9 P( a' l' q8 V8 n* s T; d; q when <constant_list> then
8 U1 ?7 E0 [, W5 N! w3 U. H <statement sequence2>;- @4 i6 S7 _' @
... O% R0 Q0 O5 z; {7 q/ e
else6 P% c) b6 d5 V4 O- f L7 X7 q. {: P
<statement sequence3>;, ]2 \9 ~9 t* s# ~# E& p. y
end;
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2循环语句
- z$ _. [3 m% i3 E0 X4 _& J (1) from <statement sequence1>
: u0 v# `7 S& o1 U6 k2 [1 ?; e) L until <condition> loop
5 R# G. a: O5 g! S9 k. F <statement sequence2>;' D/ Y* J0 R2 m9 X: r' L7 t
end;. E& f' K. @6 Q+ z
(2) while <condition> loop) r5 `* I: @- b4 h0 d
<statement sequence1>;
* ?2 A( r8 H& P/ ] end;' Y% X* w! D/ @* E4 h; ?, f
(3) repeat
9 n' f( j6 z4 M6 p! }+ n1 ~ <statement sequence1>;
) d+ ^& t2 `9 ~/ I: Z3 r5 i until <condition>;
* H3 K) K. g. R" e8 j8 H7 {0 | (4) for <condition> to <condition> loop- H0 J( Q2 L8 C4 r- s
<statement sequence1>;+ k- d' z& ?" r2 i$ A
next;
* `0 i" Y! f1 V2 {* v3中断语句
9 A1 i& N1 @, f$ w" Q: m waituntil <condition> prio <integer expression>;3 h$ O: b; R8 G8 e0 ~
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以上为常用的函数！# M3 B4 x, J+ Y6 j3 g6 x
还有很多，如有需要我把资料发到你邮箱里 ( x: R# I+ }( t% z( ~2 k& @4 M: n
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