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发表于 2012-11-13 08:48:12
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1判断语句
, M/ ^' w( l) I; E) \8 A; n$ L if <condition> then
" \+ d) D( a3 `( q5 [ <statement sequence1>;9 q3 Z' l6 B! Z
elseif <condition> then
3 N ?4 w7 L$ K- c! c2 T8 @ <statement sequence2>;! V1 U4 q; U3 C
else 4 `- t6 [7 F, B) }) d) |4 k; h
<statement sequence3>;" A4 W z+ ^7 E, o: m+ t6 u5 `
end;
8 V3 q4 S2 i7 q4 e如果分支比较多，用：
9 Q; X. R: B$ `! X! m1 e inspect <expression>
$ d ?& O5 [1 x when <constant_list> then
1 |. f3 L, `% B- H- V <statement sequence1>;$ Y, W1 y* Q+ m9 v k
when <constant_list> then
: B y7 y# v+ ?* M S/ M <statement sequence2>;
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else/ {7 |5 Y/ _0 B ?: {: Q$ h
<statement sequence3>;
2 |# W, O$ x) Q& send;
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9 @; I1 {5 A+ W5 @2 x2循环语句
* l2 i+ ?3 ~6 Z3 L, C# r (1) from <statement sequence1>5 K! q3 t# v9 ^1 G. I
until <condition> loop; `) C' j3 X7 L" @% m
<statement sequence2>;, V+ w0 Q4 n+ j3 `6 {
end;
+ r9 A" @- @7 |, Q (2) while <condition> loop1 x) B$ K0 C0 E4 A, O
<statement sequence1>;' I4 z5 o' B8 s9 Z( n& i" y1 k8 T! Y2 @8 f
end;
* y1 U1 D7 T9 P (3) repeat
+ Z/ l: n. f7 m! s7 r* M <statement sequence1>;" Z" B: V5 N9 t8 g
until <condition>;
! ^! e0 G7 D, a (4) for <condition> to <condition> loop
}3 j+ H5 l5 [+ Z <statement sequence1>;5 Q: W& i# T! g) @
next;
, }" i: |" B/ n8 h2 X4 X$ F% L3中断语句, v( ^/ u* |) s, p' p* r
waituntil <condition> prio <integer expression>;
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" _; B- M& N- y以上为常用的函数！
3 B8 x/ z" e* L7 W/ @* T) t还有很多，如有需要我把资料发到你邮箱里
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