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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
9 P; Z( f3 H) A+ ^% R, V if <condition> then
/ Q% h9 ]4 B" O* S1 j6 [ <statement sequence1>;
) i! C: g% a" N+ f elseif <condition> then
8 i* s; i$ T% ^) l+ P0 k <statement sequence2>;
9 \, n7 e8 @" y8 s else
' [) T" ?1 A/ Z2 D/ D, j( ] <statement sequence3>;' x" z5 R, [6 J, q, a# O
end;8 B6 F U0 X; W; h1 z
如果分支比较多，用：" t6 f2 n' ^; j2 c
inspect <expression>
6 ~& ^, |& u; J when <constant_list> then
) f8 I M& v8 [6 Y4 Y& @ <statement sequence1>;
. D R" i0 `% u" y/ V3 ]) B, v4 r when <constant_list> then
& U% a# n. P" j, s <statement sequence2>;) S% Y. Z0 a. |2 G! X/ ^& R
...1 q! g D( N. l+ r5 p
else
- [% p( Y4 u* X0 V5 Q <statement sequence3>;
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2循环语句% P5 L' O" c1 b6 K
(1) from <statement sequence1>) d3 }/ p4 R- I
until <condition> loop
9 j$ R# m$ T: M' l4 [ <statement sequence2>;3 g c) o# k$ E, r
end;: L7 U" | `8 i) Z5 j
(2) while <condition> loop
; n3 m/ J4 u- S- i! e <statement sequence1>;# k1 s5 C& j) x- N% R/ K
end;
4 g$ h7 H1 J/ e+ j! V9 F0 V (3) repeat , [! L2 s, ~2 O/ W& b
<statement sequence1>;3 ^, g3 y8 a; t# I( l7 ~
until <condition>;
, o: A' U r- r# L( U (4) for <condition> to <condition> loop
; n7 |4 t3 w: C& P <statement sequence1>;* y0 O+ u) l" B; ~! Y
next;2 X9 O+ H, @* q- U
3中断语句% r% u; K7 I& h: q
waituntil <condition> prio <integer expression>;
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7 X$ w2 e. b2 ?: [% c! u* }7 ~+ D
: l+ P4 _% i! W0 j$ H以上为常用的函数！, x$ |! F9 z0 l( U+ b
还有很多，如有需要我把资料发到你邮箱里
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