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发表于 2012-11-13 08:48:12
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1判断语句7 a7 T7 x6 _5 A7 O. R& K: }
if <condition> then
1 ^/ {: T3 C f5 v <statement sequence1>;
) w5 K0 ~% v m elseif <condition> then! S/ f+ l3 b7 D6 k7 E; u2 n; y+ y
<statement sequence2>;
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<statement sequence3>;2 ]7 [( L/ {2 }
end;
4 \0 C3 [$ Q: m. P9 A6 q0 L+ k% c如果分支比较多,用:" ^8 Q0 Q& d' o3 v( m# N6 J+ ?0 c
inspect <expression>6 j8 ^0 }9 k: k ?( B, }
when <constant_list> then1 L3 I: v$ J0 B6 @5 Q
<statement sequence1>;
/ q9 f3 V! p% } when <constant_list> then; t" E3 ^- K! p8 B: @
<statement sequence2>;" T) h2 [4 s+ O4 S
...
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<statement sequence3>;, l6 u3 a& O$ m* g0 \# D
end;
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2循环语句
& P C* n* ?3 N. A (1) from <statement sequence1>
+ d3 W" A8 t8 Y/ p5 ] until <condition> loop( _3 E8 I+ S! p; u; s
<statement sequence2>;) W% O/ }4 P7 b5 u( H
end;
) U y9 \- @. o# l5 E5 C2 B (2) while <condition> loop8 N! L, Q. `& J% o$ U, f7 d5 |
<statement sequence1>;. k, p9 t r- }; l+ v
end;
6 J" K( {- @' S$ m! I (3) repeat
5 X9 z" `9 N8 r- ` L <statement sequence1>;
- m4 U2 ^( l' E( d' T. R2 `" @) l/ Q until <condition>;
3 v! Y9 k: t- W% | (4) for <condition> to <condition> loop& r; G6 q, w. ~& W9 O
<statement sequence1>;
7 @9 K& a1 O9 [9 F% U w* ~ next;
4 P3 X8 v. U0 n; l+ M3中断语句
, n( f. e1 G- t1 P4 m8 W waituntil <condition> prio <integer expression>;
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以上为常用的函数!
; W- g1 A I6 k' q& f A还有很多,如有需要我把资料发到你邮箱里
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