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发表于 2012-11-13 08:48:12
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1判断语句! E$ q$ [% L, n+ n/ L
if <condition> then) E6 t/ M- v! E; x$ b* C. ]0 ^) ]
<statement sequence1>;; v' ] o4 |% Q# p- V( g
elseif <condition> then/ K1 e C7 L) X5 x3 |" s
<statement sequence2>;
% Q% z n& E4 a$ \2 N' R& b else 6 Z( k9 K4 h7 ^" a
<statement sequence3>;
/ \+ x f E5 T3 T+ Q end;
* S" u/ a1 a3 ?7 K如果分支比较多，用：
2 F7 T4 R4 F( L1 N: t( Y4 l inspect <expression>" w: r4 S, Y, {+ V/ a+ g. J
when <constant_list> then( @4 E. H, D& u3 H, g# i' i9 q
<statement sequence1>;
& w2 j ]! `; v$ x when <constant_list> then
# H M* Z' l0 u) ?3 G# Q. f <statement sequence2>;- A5 R7 R! Z+ B$ `9 ^" v
...
; ?3 z6 O ~ Q# [ B" u else, B6 u% @5 T. ^9 ^9 @" M U3 F. M0 x
<statement sequence3>;
8 B; m' F6 L. V1 x' w0 Y* X( Qend;8 }. u9 D; |; w9 u* ^
8 w! X8 A! C7 v* i4 h2 y9 N2循环语句
4 L% _. a* D& s" ^% T (1) from <statement sequence1>' y0 K) c1 x( J
until <condition> loop
2 g% v( e4 l: ^3 k0 Q7 R7 y) K <statement sequence2>;8 w9 ^% R' T3 e4 P' [) T& j
end;
& C! X! a; l; u4 X7 ^" u' A (2) while <condition> loop6 m! x5 }- t5 X1 d- `; F
<statement sequence1>;
$ i8 d ^1 E* \' k& C" z end;4 I2 B* { ?; y- B
(3) repeat 2 T! n p9 x6 B8 t
<statement sequence1>;8 c( y+ J6 H! M' r
until <condition>;
: v0 D0 F5 m& G0 A (4) for <condition> to <condition> loop& e% a( r& ^' ?+ C6 g$ G9 l
<statement sequence1>;7 |% ~% ^3 q$ q2 h
next;3 }+ a" L, M) E: P. p; g0 {
3中断语句
9 B, f/ D$ x0 l# l; u waituntil <condition> prio <integer expression>;
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以上为常用的函数！, U$ V' F2 [5 x. |4 W; `/ i
还有很多，如有需要我把资料发到你邮箱里
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