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发表于 2012-11-13 08:48:12
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1判断语句! }8 S& F0 m4 ^7 t
if <condition> then& l2 {; ^5 ^5 i0 ?1 f
<statement sequence1>;
9 k! j' z1 }' I+ U* E elseif <condition> then
5 Q* l! ]2 W. m k# s% B <statement sequence2>;
. S+ P |- S0 l) F2 { else z( F! K0 d0 Y' G+ r. H/ t! Z
<statement sequence3>;
0 l3 A$ i; I; e8 k' {; {; X1 `7 d+ s end;0 p$ n6 L2 E8 \& k
如果分支比较多，用：) _! L, R3 r# I" b: g) M
inspect <expression>9 M/ p. R' z/ T
when <constant_list> then
0 k1 O5 Y2 o% f% V/ }* Y <statement sequence1>;
7 z6 D. N q, I1 `6 `7 N8 I when <constant_list> then
% ]( V5 I/ v h9 ` <statement sequence2>;' p* ?: L- y4 Z) ]( m
...
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<statement sequence3>;
$ N% S( q$ s. v3 p5 I3 Zend;
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2循环语句6 k0 D2 H; H( p5 S# O
(1) from <statement sequence1>
- V4 h8 o( D' C# L until <condition> loop
& q9 H4 w) d1 a, B0 [5 k <statement sequence2>;- A6 e' b+ J1 p' @& | s- d
end;' }9 V. j. g1 W2 @; ]! h
(2) while <condition> loop
+ R. R8 j2 J* f8 ` <statement sequence1>;
1 A1 | [% f2 D0 ]0 o) A end;
+ o$ x# q2 W8 D4 r# O9 a (3) repeat 7 w( ^/ G& u: R5 S
<statement sequence1>;
S8 A' H% k' _$ P; R until <condition>;
* B1 ~# x _# k (4) for <condition> to <condition> loop: y& b% ^/ M" u6 L" X% N
<statement sequence1>;
; B2 j: p) D. F# t9 U. {/ T next;
/ |% L/ a) `7 A0 |& \) T3中断语句
; B* R5 o; ]! ]! ^5 Q waituntil <condition> prio <integer expression>;
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. f- w/ L' q6 V以上为常用的函数！
- |% u' r, T+ l1 K3 s$ s1 w还有很多，如有需要我把资料发到你邮箱里 8 }( I, A" O1 @' a& J$ Y
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