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发表于 2012-11-13 08:48:12
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1判断语句
5 @) P: A0 v( X2 Z! @4 J2 S if <condition> then) t6 z) I- N4 W+ `6 \
<statement sequence1>;- t) r) y6 T# l O( L& E
elseif <condition> then
8 G5 s- R: q; x) {; X0 L <statement sequence2>;- A- n* q; M, m! r( h& S* n- T
else
% p, \" |( h1 ]0 e$ |- O' [8 r <statement sequence3>;
0 M( g! i0 {% s6 n end;
3 e: R; ^" Z u4 o如果分支比较多，用：
- L8 @1 b# j, i( ]/ o5 |- L. k inspect <expression>/ C% G) @9 a# b. p
when <constant_list> then
7 i% c# n5 D. q$ A1 d2 X9 ]+ T <statement sequence1>;5 c* F! H; B' C
when <constant_list> then! Q0 q5 T; z. l) K0 e
<statement sequence2>;
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<statement sequence3>;/ [. E1 Y$ ]5 |3 ^
end;
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2循环语句
$ s5 A) l u9 ]9 i (1) from <statement sequence1>
& C1 d5 J) U1 N until <condition> loop( i- H4 p& s# r' Z3 v0 ^7 |
<statement sequence2>;' Z5 r# ]/ h$ e' Q3 ^) E, h! X
end;/ }0 E# C* \$ D: D
(2) while <condition> loop
1 x& p( _, C, W# C) F( ~9 k9 m' @0 I <statement sequence1>;
' U; v% _3 X; {/ T, f* |5 H6 z( w end;
7 u3 }0 `, o( l* B; I7 C (3) repeat $ Z1 S" G, i& d1 I7 S
<statement sequence1>;
7 w8 z9 ?) @* T- f `. l& _& r until <condition>;6 P* G1 A w% X& u7 l- }1 x
(4) for <condition> to <condition> loop
, O& ~1 `! P. o0 Q <statement sequence1>;
1 w; Q! u0 F7 O. T/ H7 N& q* [( w. B next;
: W1 p& G1 d* y0 a7 G$ W' W% L4 U5 g3中断语句
J2 g! r( J& s* Y. V+ D$ {9 Z% R waituntil <condition> prio <integer expression>;! \* m7 F2 F1 M- R* B3 n* K& s
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以上为常用的函数！
' c4 t2 t: j8 x6 E还有很多，如有需要我把资料发到你邮箱里
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