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发表于 2012-11-13 08:48:12
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1判断语句
4 T$ r a% F2 S6 g. H if <condition> then5 ]$ m" ^0 v( u& d5 j
<statement sequence1>;$ q6 U7 C* C8 l4 s. h
elseif <condition> then
( T, @" C Z7 e0 e8 b" B% t <statement sequence2>;! ] a# {3 v: ^4 I& R' L
else
' d( z \4 A" u' P <statement sequence3>;/ S/ d7 g) s s
end;
& D2 L" b8 |+ R# ?; X如果分支比较多，用：2 {& y+ N/ B, `, w, B9 q4 R
inspect <expression>
/ H: B1 ]+ R# L2 \* Z+ ] when <constant_list> then
9 }: t. N' p1 B# G3 |+ w0 ~ <statement sequence1>;! g, n( g& @1 [2 H% E* F
when <constant_list> then
' |( C( S/ g6 A# k. d3 R$ O0 F <statement sequence2>;! c* |" Y+ p8 W. L
...5 H# ~- ~' s' c# R+ u; t
else( x( c& G4 K. i
<statement sequence3>;
8 n8 X8 ], E" {7 M* Lend;
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# h2 j9 d8 e- ^ T( B2循环语句
1 j+ @+ W$ A! ^# P0 m (1) from <statement sequence1>$ h2 }0 I8 c2 d
until <condition> loop' C2 d1 U$ |$ q, o/ }( R
<statement sequence2>;
: Q3 W# P' T. p# L' u+ ^ end;
/ O" X4 Q# l4 L+ D1 r- J9 y2 q9 ^ (2) while <condition> loop
( u& e' M% s/ s9 Q8 P! S9 b9 W8 C <statement sequence1>;% i0 Q' D. T+ ]: u' S" ?
end;/ s2 F) K, o% Z2 v" G
(3) repeat * h8 V# I$ |; G- h$ V
<statement sequence1>;
0 H5 x8 k; n# V; d until <condition>;
$ C4 X; R- t2 b- j/ h# J (4) for <condition> to <condition> loop2 P8 \3 ]+ n/ E; b' z
<statement sequence1>;
) p! D% m1 r9 v8 `! D- } next;
" X0 c9 o: C$ {$ p; }* X5 t3中断语句
, z; H+ r% `# K3 N) I) ]" Q1 ]* T- d0 D waituntil <condition> prio <integer expression>;& T' I8 [9 C7 K, [: K2 g
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8 d% `- q6 L! M/ d1 K8 h) n以上为常用的函数！
$ o# b8 U- u; y9 C3 D* x还有很多，如有需要我把资料发到你邮箱里 ) `0 E% j/ T- B$ C' K7 x# V
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