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发表于 2012-11-13 08:48:12
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1判断语句
! g Q# m$ b: Q' _ if <condition> then1 l6 y! U8 K, `5 s3 Z, y
<statement sequence1>;7 i3 x) w+ \% ^( e6 m
elseif <condition> then
; V2 T) @2 W8 V6 s <statement sequence2>;( v8 A% u8 k9 e9 z
else
D3 |5 S* ^' n# n <statement sequence3>;
' i. S3 T; |0 Z. [; u+ g end;* F2 e1 V* N' ?
如果分支比较多，用：& ?2 H3 E2 V3 \" s
inspect <expression>
0 a9 w& f7 A4 F) E, x when <constant_list> then
6 e4 l9 W; N) \; p$ _. J5 B* } <statement sequence1>;+ B9 l3 X7 J- e5 m. M
when <constant_list> then% g/ q& G+ e6 B: X4 }& ^3 b
<statement sequence2>;: v% L6 n. E% ^# y
..., `% N1 v4 l' w8 L
else
) O/ k# n" a- [* l0 z! f <statement sequence3>;+ Y- ~' A- x( v9 u' ?3 }
end;# G/ A C% e; ?1 M8 w3 ?: ?
! c0 x1 e1 S u7 ~* O7 i0 |9 s- o7 C2循环语句
# z5 `' O; S- t* ] (1) from <statement sequence1>/ _. w. @" ]* g" y+ e/ Y. a# C# k
until <condition> loop
2 t, D& U e+ T. x <statement sequence2>;
3 I3 V* v$ D8 R) _2 c end;3 ?/ q. {' D9 E* Q: y& b( J5 ^: X
(2) while <condition> loop: l! [9 ]' M/ J* b0 a0 Q4 U
<statement sequence1>;
; l6 {' A' A5 k/ E. Q1 z end;
" K. t" }4 I' b2 j- d$ n, N8 x& i (3) repeat . k& f$ B# w3 u: D+ x V/ U
<statement sequence1>;
" I N' T6 `. k9 ?- [ until <condition>;# j+ y7 j2 }+ ?% N% e
(4) for <condition> to <condition> loop5 E& N' s ~ w: K" p+ ^
<statement sequence1>;
4 `1 P2 c: @$ y" I+ ? U& t next;* ~+ X4 ^) ^; x I+ h4 x y u# Y
3中断语句
$ d. T. Y! x9 d$ l waituntil <condition> prio <integer expression>;
. c! @/ `8 v! o$ @/ M* [( d8 w( s
6 ?# z+ V2 a9 h7 v, R' T: f8 B& Q
以上为常用的函数！
A- o: r6 b ?$ a8 X还有很多，如有需要我把资料发到你邮箱里
\! w+ v( ]- J' q ?: @2 g J$ E5 }8 r8 J; X
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