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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
5 N7 `6 U+ f7 x- [8 l7 W if <condition> then
' }/ n- ?3 t9 S L. F <statement sequence1>;
& P& N1 @8 S$ w2 q6 b elseif <condition> then4 W6 y& P* o H1 \4 V1 u
<statement sequence2>;8 f4 ^# f" ^- Q3 I( j4 e4 F
else % ]# [; U* ^% i2 g0 }
<statement sequence3>;
) `: x+ _+ N% b- D: Q6 \ end;
% I7 u X, N; }7 n% k$ k如果分支比较多，用：
- x) B& }/ m* O# G' r* N inspect <expression>
3 U) M6 ^; m; Y" T* M5 ? when <constant_list> then
N& A" K r' B) q9 m$ C <statement sequence1>;7 H0 K3 p7 [" o8 f( Q4 T& |6 v
when <constant_list> then
2 f" Q5 ^" P r <statement sequence2>;8 G% {! r! }% |( J
...
! g1 K! D9 w9 D v9 l else, s* m/ ?% k% i- I2 F
<statement sequence3>;
$ e1 n. p- y x, |( }end;: f, ]. f) N# e
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2循环语句
V4 x% _1 b% U- l (1) from <statement sequence1>- f2 a6 }4 ~+ G6 ?
until <condition> loop; V5 b) }& L4 ?3 L1 ?- Z7 q7 n" W
<statement sequence2>;
4 I/ W, S7 N$ c6 T end;+ ~9 J8 h4 p/ [3 T9 k& z
(2) while <condition> loop
; q1 C: X- v: Q, j <statement sequence1>;9 l$ n, y4 I# u2 x$ F
end;' j" A8 Y1 W: C, A V# Y
(3) repeat + c3 C! F" t' o
<statement sequence1>;
; C& L K% T q, T until <condition>;
5 l0 @7 \8 S' p7 j! t% @2 w5 w# H (4) for <condition> to <condition> loop: N- M# R& p! h, Q" y; }
<statement sequence1>;
0 p9 k4 d+ A! [' Z. c6 { next;0 T- ~3 z/ p, ?5 n& t C0 `
3中断语句! y3 R/ \, o* k: ^
waituntil <condition> prio <integer expression>;/ g2 M- ^0 @# v
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; \. l. @- D* {4 a% U) y, _以上为常用的函数！
# D+ @4 l. `( O0 ~还有很多，如有需要我把资料发到你邮箱里 - X# V; E3 ]3 N3 s% E
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