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发表于 2012-11-13 08:48:12
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1判断语句* l( i5 o' ~* M
if <condition> then
# K n/ E( k9 v* K+ Q8 n) F& W7 o <statement sequence1>;
3 ~/ N/ z5 h( g, T5 i5 Y elseif <condition> then
/ |9 W L! e' M* Z2 |4 E9 V <statement sequence2>;
Z* i, o# |; |3 t: X else ' D1 [' a% M4 Y$ U. D& ?
<statement sequence3>;
1 k" A3 T8 f8 G7 F end;
4 f* M; L% e0 a. c- _如果分支比较多，用：
. l- ^5 C- _; W9 Y' U3 u inspect <expression>
8 ]3 h6 h* y& |7 Q d4 U when <constant_list> then! z4 e. [; |& a& D6 \; a& S
<statement sequence1>;
/ |1 z9 n z _/ S6 v when <constant_list> then
* ^! ~0 U& V6 _8 c6 ? <statement sequence2>;& w/ w- t* ?- {7 G3 L
...; a3 ]4 t- p+ z8 X
else
6 M+ r2 r/ e1 D" Q4 }8 j/ W! ~5 y <statement sequence3>;
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2循环语句! S; [$ ?1 h5 N& u9 X0 X
(1) from <statement sequence1>
* l q' m, z8 Z5 J until <condition> loop7 r% [0 J6 w& S) R
<statement sequence2>;0 U0 G" |2 Y+ n4 J+ L8 b
end;
4 f) R+ H$ Z5 z" O4 Q$ ]& N3 F0 p$ y (2) while <condition> loop1 [4 Q$ r- h0 h s( L$ _& D1 K" b
<statement sequence1>;
/ T; M1 z+ J' i end;1 L6 S/ \7 C# ^) { J
(3) repeat
/ B0 S4 a5 X) G: G7 _) c <statement sequence1>;5 J9 o# \; Q( B0 k
until <condition>;
4 P& w f M4 c2 _( d4 \ (4) for <condition> to <condition> loop9 C6 \$ v2 K9 }: ]# q6 e! [
<statement sequence1>;
: S4 i$ d8 N' R! y6 B) Q# c9 m# ` next;
6 }- \" [* ?: y$ F) h- P3中断语句" V- _3 N9 A8 T' Q9 t/ F
waituntil <condition> prio <integer expression>;' ^( L& n# w/ |1 E+ i* L
2 g- M u% Y& F# B( @. |% m3 \
1 T' R) |0 {: n5 X1 }0 j1 c3 d$ y2 b以上为常用的函数！% I9 c5 t* Q4 M: Z
还有很多，如有需要我把资料发到你邮箱里 5 }( \( D# F$ I3 [, v6 c
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