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发表于 2012-11-13 08:48:12
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1判断语句) \$ I3 Z4 D3 D2 _! B
if <condition> then
( P4 J- o1 j2 j7 o5 T <statement sequence1>;
* a8 S8 ?$ D n; e. a elseif <condition> then
' s* h* l2 O% |4 I) L {- f <statement sequence2>;
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<statement sequence3>; @. g. c* }+ q* G
end;
, V+ [+ Z: I$ z如果分支比较多，用：
( }0 z/ s* o5 g1 | inspect <expression>
# g/ {* @7 ?. m) |' i! r9 O when <constant_list> then
3 y0 m- \# ~: Y' M <statement sequence1>;
" L' |5 `3 e p s4 b' t2 p8 @ when <constant_list> then
! h2 X3 E+ _% q: h% w1 v. M <statement sequence2>;- r* v* t7 b1 e
...+ x5 s& Z; Y6 S2 c
else0 b! |- ?" F4 A/ m7 G
<statement sequence3>;9 w) q' ^+ P0 @% [3 S
end;
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! o, |/ {' D4 X3 m/ z8 d2 \8 ?2 ~2循环语句
* _7 v! I( o5 o, Y3 W( e (1) from <statement sequence1>; i% |% ~' @; E
until <condition> loop; ?/ N H. f8 S6 k5 v* Y) c
<statement sequence2>;8 S* l9 O$ T, L% C
end;
' F* B( j" i7 S G% C+ v (2) while <condition> loop
$ Z% [4 H- w; ?* Z U, `( C$ P( ] <statement sequence1>;9 W. [) W3 J4 U2 ~
end;3 _2 i( g9 u5 W: m2 P
(3) repeat
3 E! X, a- O7 T- z% V <statement sequence1>;5 v D4 d8 L2 G$ A, z
until <condition>;
' p3 H) @7 _$ r9 H2 r0 t (4) for <condition> to <condition> loop P I6 I6 V, i( z+ y
<statement sequence1>;
& u3 g& Z/ K/ @% K& D. n2 x) z# p next;
9 J& g, N( l$ p: h: D3中断语句
% b$ a& L3 u: E+ x6 w waituntil <condition> prio <integer expression>;
- h- ~: G4 K# f3 [. U
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' q8 R' W/ N* s: Z/ A$ k, h5 C+ e* A以上为常用的函数！
8 w8 W1 V$ Z; I! @" U/ @还有很多，如有需要我把资料发到你邮箱里
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