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发表于 2012-11-13 08:48:12
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1判断语句3 ?& B& H! X! Q" S4 m9 A
if <condition> then
5 h' Y' a0 J) o- P# U$ p3 x# e <statement sequence1>;' K, K! H" l9 h% Q7 q, @& R) O
elseif <condition> then
6 ~1 z* U! D: G <statement sequence2>;( Y! \% \) r% g; v
else : `8 |. w9 P( o7 m( W+ ~3 V, S
<statement sequence3>;
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如果分支比较多，用：
2 E, m8 }6 x' T inspect <expression>
0 [7 |+ \0 u* }; O2 O& p, D# g$ H when <constant_list> then( \, p6 C4 Q6 B0 R# K0 r3 K
<statement sequence1>;
) v# D- K- _" ]: L4 z- i( T/ M when <constant_list> then
7 C+ o! i2 ~! z# A <statement sequence2>;6 x2 c+ l7 v! V1 Y; Q
...
- _* x$ U' T- c else
( i# }) C$ G" X$ I <statement sequence3>;2 B/ t' k+ L0 l, f6 z& ]* [# }
end;1 ^0 f) V6 e+ g) B$ T
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2循环语句
1 x; B: O1 t& V9 J8 r: F4 ?9 M' ] (1) from <statement sequence1>2 I$ l6 h0 |/ m2 c
until <condition> loop3 Y. x6 t6 R5 \! o- Z* x+ ~/ v
<statement sequence2>;6 k7 f( G9 W6 q8 K8 ?* j/ C
end;$ V& e3 Z! A8 Q: z8 ?
(2) while <condition> loop
n$ E8 ]' L8 l! U' C8 @ <statement sequence1>;
- v+ s$ W# V* u+ D end;4 M0 A. |" Z5 E2 H7 Z: m( D/ j( `2 U
(3) repeat
; G3 T" z$ }6 B <statement sequence1>;
2 j8 w1 J/ T# H) ~" b until <condition>;. |9 z% a. F" |# o/ X$ n
(4) for <condition> to <condition> loop% V0 J" l8 J, B
<statement sequence1>;
6 K2 X. O3 G- `3 Q2 P next;* Z+ m/ ?+ ]/ g3 |/ e! a* {
3中断语句
4 b: V0 X* N$ K* u+ O: H" Z waituntil <condition> prio <integer expression>;
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以上为常用的函数！/ _3 N+ h3 s! G! v# t: s
还有很多，如有需要我把资料发到你邮箱里 1 v% `, V" w8 q" r: Y0 e0 J2 [( K% Z- [
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