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发表于 2012-11-13 08:48:12
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1判断语句" N, k0 V' X5 j8 y
if <condition> then
5 h* C3 h1 u4 B8 i6 T7 e, t <statement sequence1>;' Z' e2 T; C1 ^) N3 y1 F5 O% f& P
elseif <condition> then/ q, L: m6 y; ^ U9 Z
<statement sequence2>;; }# s. @& V& {( O! |+ ?% E
else 3 |9 ~; _9 X# ^' `& t# F2 X
<statement sequence3>;
2 ]+ y% q. Q. ?% F+ [ end;5 r* k5 Z9 @/ l! Y
如果分支比较多，用：& J* ]( G7 t0 Y# x, A4 c8 K7 I
inspect <expression>
6 {" ?( I7 N U5 |1 t& o0 T when <constant_list> then
8 U+ U4 {$ a6 e2 \2 `; ^: {+ j: h <statement sequence1>;
8 t* k$ Y+ k8 v$ Q when <constant_list> then
& _( ]7 b U7 c6 L4 p <statement sequence2>;
+ B/ O0 n# Y9 t$ I ...
9 h4 _/ r1 j7 t& b9 k else
2 L" P% F6 N0 n! \2 }% f <statement sequence3>;. k6 l; } m" u+ ?: c$ R3 N
end;
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; H+ i% ^" [5 \: s$ h2循环语句
( ]' G' [/ u& e (1) from <statement sequence1>6 N: t, M, T" N: e3 O# f3 I: [. {
until <condition> loop. Y3 c( T# C' @9 p- d+ a
<statement sequence2>;
$ P7 h4 k$ k& U, N' H7 z end;
4 S; M8 B7 u$ [- @ Z, l' ?3 C (2) while <condition> loop+ Y& A! V: D: k. f: @: U
<statement sequence1>;
+ f3 ~/ y( P9 v end;
* B" n9 Q% x' X' O$ | (3) repeat
3 C: v! v9 G6 g& r <statement sequence1>;+ V2 a0 P- \& D" \7 S% F5 E
until <condition>;7 N6 ~4 l: s( w* a; Q
(4) for <condition> to <condition> loop
% n9 ?+ M) b9 @ C/ y <statement sequence1>;. U/ c- r' a& \& ]' K7 F
next;0 T, e4 [1 X5 B5 y9 }) U
3中断语句
4 u* A+ _( t' n& y2 C# m waituntil <condition> prio <integer expression>;
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' p4 c6 f# X! u4 q. W: O5 w; g以上为常用的函数！
" _) a& h0 c7 D e还有很多，如有需要我把资料发到你邮箱里 $ D6 d1 c. U' Y8 ?* z; R
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