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发表于 2012-11-13 08:48:12
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1判断语句, K. G; d# Q" G* O
if <condition> then
+ \. T" E6 [: ^1 z <statement sequence1>;
" Q6 e3 L! i" [5 A elseif <condition> then8 }2 Q1 }; @0 F; x, q
<statement sequence2>;
$ W* I5 y. _5 l4 p else ) j' Z( Y' N1 v
<statement sequence3>;
1 Y6 B6 G; V' g, e" P5 R _; L( _ end;6 }7 r6 W+ B& O
如果分支比较多，用：
& e2 {. u. e" @# _+ D6 | inspect <expression>. \7 ^* I* a9 q4 Q _( @
when <constant_list> then
. C& I; E" E( w. o <statement sequence1>;/ L( I6 c* D3 B( q: o# Z
when <constant_list> then2 d6 d" o! d( H1 s( i
<statement sequence2>;8 E2 n& a. |% B% X# Q3 T/ J
...
a" L# `, e1 Z8 L4 g- I" O else
) T M$ b# d) G6 I <statement sequence3>;2 J x5 D1 N9 e9 m. D9 ?
end;0 i, q2 T" k/ {9 U3 K
* o. l0 S. L9 W% D! S2循环语句
1 q; {; [! ^' J1 n (1) from <statement sequence1>/ ]! z: D* k( j& x' x
until <condition> loop
6 b& H" ~% c9 b$ [3 r' d! e& o <statement sequence2>;
5 ^) `# k: [& d. w end;
- I% Q$ T. Y+ ]% r (2) while <condition> loop4 ^8 t% ^6 x: Z% X$ f1 c4 ]
<statement sequence1>;
9 F9 p* {/ r0 W3 z/ b, E end;$ ~& ~& M$ D( R. G
(3) repeat
" K# e- C) c% X0 p <statement sequence1>;$ ?. o0 N% ~7 K |1 d' g
until <condition>;
: N- {& Z/ n$ t (4) for <condition> to <condition> loop; Y" _$ E* ]. n- ~9 o! k6 A. ^
<statement sequence1>;
7 h, \1 y' X8 w/ _% E$ P$ m" s* P next;3 n% a# z- N7 l% V' P
3中断语句
0 ~7 v8 y2 E, b, L. e) p7 } waituntil <condition> prio <integer expression>;, N/ B0 @) b, C" G7 O' q
9 b3 R5 e$ @+ N/ q. ?
# Q5 s% F6 i( i" X$ i. E以上为常用的函数！
$ M, m' h _" L" n9 K6 \还有很多，如有需要我把资料发到你邮箱里
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