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发表于 2012-11-13 08:48:12
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1判断语句 w# a1 g' G2 X$ I6 `) \4 g, g
if <condition> then, F/ |1 ^5 O7 t/ K
<statement sequence1>;
% e( u8 v$ M" v9 D4 ] elseif <condition> then
& p2 F; v2 e1 H9 Z* Q: k <statement sequence2>;
% S0 u% }1 r4 ~- d6 z else
8 E2 [& }+ C) P* P <statement sequence3>;$ U7 S1 \! v# d
end;
" d' g/ n$ h( |. [如果分支比较多，用：
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when <constant_list> then! Q7 e: Q% X5 V4 n. B; h) j1 Z' w$ S
<statement sequence1>;
5 B# O9 |4 a$ h Y( t when <constant_list> then
* n( @* ?8 ]+ {2 `( N5 m4 i <statement sequence2>;3 C# b" \9 t! \
...
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<statement sequence3>;' p2 J6 ^" j* z2 N- `
end;3 o# ~& l' J9 Q, F
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2循环语句 D+ z( K6 V7 y- z9 |
(1) from <statement sequence1>
- H7 L6 ~" b/ u' n until <condition> loop' [# X$ o" U6 {% }3 M; N
<statement sequence2>;5 q+ }& h4 i$ [2 z# D& A
end;6 J9 I! d$ `3 E1 e! l8 ~
(2) while <condition> loop6 Y+ C ^! t2 _7 g' o
<statement sequence1>;
7 _! c4 c7 u% k) `5 B( W end;
" [: p) z f9 U5 c1 G; Y (3) repeat 0 J$ `/ [# l4 c8 ^, k2 T9 V9 v
<statement sequence1>;! i5 k P) h3 S. S% a, C
until <condition>;
: J/ ? ] C' @6 u (4) for <condition> to <condition> loop$ g! q' c2 \) e" p* k* a- J) l5 F
<statement sequence1>;2 u3 y7 E# R. `3 T
next;+ _4 i0 E4 W; }5 T2 ]8 P
3中断语句
9 ~ A+ } X) H8 H7 q, w0 X waituntil <condition> prio <integer expression>;
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" h* Z# b" w; z以上为常用的函数！" @4 V ]' S5 h' O C3 x
还有很多，如有需要我把资料发到你邮箱里
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