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发表于 2012-11-13 08:48:12
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1判断语句: K' l7 L: h$ D5 D
if <condition> then, _" a4 V# a% R! x1 D) z8 d! t
<statement sequence1>;
o7 b6 V# y& g8 Q5 A% W elseif <condition> then
4 D& e4 ` f0 `6 `6 a( _+ T% h <statement sequence2>;; A8 m8 d" d' ~
else
' M( R, I$ m# y! Z. U6 |, `' t <statement sequence3>;
f$ A4 C0 ^6 C; M d" ^% a end;
) _! S; Y* c" e& j/ c0 \1 c如果分支比较多，用：1 p, F$ T, V$ F0 S# t& j; J
inspect <expression>
/ _/ M' p- |) d7 i6 s; @. P when <constant_list> then$ E2 m$ T7 X& f6 S# g
<statement sequence1>;
% U2 w3 X, i# t. t# F when <constant_list> then
0 A& F/ T9 G$ e <statement sequence2>;4 u7 s. \ v+ d8 [9 t
...
( q' A- S6 \$ U+ a$ s else
' i' A9 B& P' T( p1 O' m( L! z <statement sequence3>;+ K5 G* Q, q, `8 f) T3 C
end;
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2循环语句) ?# ?+ ?5 K2 ?, q/ [
(1) from <statement sequence1>9 u s2 M% m6 g& v' g/ w
until <condition> loop* P0 A7 z7 c5 W2 [4 ~
<statement sequence2>;
% C9 u0 I+ `' d end;
1 v; m7 ~. P. Q6 R: I: W' r0 k: q (2) while <condition> loop& ]1 F N7 {/ ^2 t6 v# ~
<statement sequence1>;( U; b9 p! y3 v+ I5 h
end;- R- h! _) ~8 k* v/ t7 T
(3) repeat
; x2 T1 B' S' c. p+ T: J" I. v <statement sequence1>;
4 H+ a6 d' Y: ^* Y3 H# b until <condition>;& z" b6 ~ [" X( q0 ~
(4) for <condition> to <condition> loop
% [/ q* \' w* h0 {6 F; u( u <statement sequence1>;
5 ^- D( T' ?0 j( i next;
# K2 ^4 q" G' J: l3中断语句1 V' d/ M( `9 ~1 T) |
waituntil <condition> prio <integer expression>;9 A: ~$ I8 Z2 r" G5 W9 G7 S
" s1 {! d+ z/ @7 q: Z6 y
* I: n$ Y1 k0 I. g" C& t1 D以上为常用的函数！
/ d5 g: ~! L+ D# e; B还有很多，如有需要我把资料发到你邮箱里
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