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发表于 2012-11-13 08:48:12
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1判断语句
) M; N: W8 r0 C5 X if <condition> then+ Z l D: e+ ~% j* Y
<statement sequence1>;% z5 a1 ?4 }- R' |/ A$ r
elseif <condition> then+ [: ]' ]) B6 d( k. U8 ?2 s
<statement sequence2>;
% q; f! j# A" n* N- R. t! F+ o else
/ h5 P- K9 K9 ^4 j$ ` <statement sequence3>;
5 {: W& z4 E) |% [( }( ?& c end;
7 n! K. Y4 f, S& l, D7 m如果分支比较多，用：
9 e& ?" x2 F! {7 I6 m inspect <expression>
) E' b, n% ^/ ?( P" ~0 S3 F! v when <constant_list> then2 Y4 ]) @% W) d
<statement sequence1>;
& H6 D5 Y& n* C" Z when <constant_list> then
3 X0 F- j+ K3 s5 M/ L3 ? <statement sequence2>;2 a+ Q( z- {, B/ L9 O1 Y( E
...4 D# U) `3 ^$ v) N+ t
else/ g' l& N. x& s6 \0 a
<statement sequence3>;
0 `! _3 I+ T6 A- eend;
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) ^! R( W6 W+ R9 p0 ~% |% |2循环语句4 h. l& p7 O% O$ Y8 u
(1) from <statement sequence1>
8 Z8 O' K/ w) P until <condition> loop
- ?3 b6 O+ m' Y. P) y <statement sequence2>;" f8 W) e! W1 j! N
end;+ u( T+ k( S7 z* I- \' T, Q1 q
(2) while <condition> loop" h6 [( H+ P5 Q9 O0 `4 n$ C
<statement sequence1>;
& y2 @# k5 P; K* ~- e! o! o g J end;3 ^ d; F- V# P2 }) F: u
(3) repeat 2 o, c- `6 D* W8 b+ F1 Z
<statement sequence1>;
3 f4 _9 S+ B5 S$ X% j& E until <condition>;
2 w/ d2 \9 b! j6 c6 N7 K (4) for <condition> to <condition> loop- S" O$ R& T; n! P4 T7 W5 j
<statement sequence1>;5 V- p% |" {' k/ u# H6 a
next;$ {0 s# Z: v/ r4 B& i4 }4 [: I* M
3中断语句% j( Z1 J5 g8 L$ L
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
g- H, x6 A! T! j$ M/ G还有很多，如有需要我把资料发到你邮箱里 $ Y- v& n. ^' f! T3 c4 k/ Y
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