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发表于 2012-11-13 08:48:12
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1判断语句/ |: }. F' W9 r6 O7 A+ p
if <condition> then
/ h7 }4 e+ ^9 J; [+ W' R <statement sequence1>;
" {# c" M5 A: }0 \0 B) ^' E elseif <condition> then- E0 \/ w m n* K
<statement sequence2>;
5 B- G' C1 E8 } k5 \# t! O* q else
3 h! m q0 z; B B9 ~% b# Y6 ] <statement sequence3>;
$ x/ h' X) K* w; u: B end;+ ?+ D, g. M+ n+ l- A4 w2 q: r
如果分支比较多，用：$ @: U, p% z. r; j$ a$ T, c; o4 |8 H. _
inspect <expression>) P& E. C8 _5 w1 b
when <constant_list> then
! m+ I! N, M4 g' j" T: Z4 l <statement sequence1>;
4 t: N7 m( x4 W q when <constant_list> then: E$ l# z/ c/ }6 j' ^! h0 h
<statement sequence2>;
6 f) i9 A& o- g% W' e' C# S' R ...
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<statement sequence3>;8 ]. W! a8 ^; p8 V% O# |
end;( t% F) i3 N4 U% X! b [
" g$ r4 P. D) J [2 W9 w# b0 F2循环语句# m, K+ F1 s R. x; v3 W4 o n
(1) from <statement sequence1>
5 S' W- @; a7 V s until <condition> loop+ {. @3 w: Z; @1 T1 O
<statement sequence2>;
1 j/ O+ [% {% O' n5 G! L9 U* _ end;+ h: a; |2 C; p. R" }5 Z/ z+ g6 \
(2) while <condition> loop
" e& s6 D2 L+ O. K! a/ g: k% c <statement sequence1>;5 O# I5 e- r3 j
end;
' \- ~+ m2 U& E- Y; w2 A8 x5 l (3) repeat
5 W* l# X* O( o9 N9 ] <statement sequence1>;% @3 E8 ?0 u6 P: |6 s, F
until <condition>;) n" q$ E6 N4 A1 O6 b6 n
(4) for <condition> to <condition> loop
! X, `* u& x" K y <statement sequence1>;
6 W! ~0 L. o, t7 m6 p: G$ N next;* \6 S; W/ }; ?
3中断语句" g. {" i# x) c! Q
waituntil <condition> prio <integer expression>;
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8 ]+ M1 |# h U2 S& n以上为常用的函数！
( T2 ?% p" I9 ` T$ j8 N4 q还有很多，如有需要我把资料发到你邮箱里
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