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发表于 2012-11-13 08:48:12
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1判断语句
* t- n9 f) ?1 r% h if <condition> then
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elseif <condition> then
, W2 m3 K, n6 t3 F/ F ?: t <statement sequence2>;
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<statement sequence3>; w; T3 Z3 T/ ?6 s, a
end;3 r& W. `- k4 v
如果分支比较多,用:
! ]% F% S: `0 z: r* f inspect <expression>
' z1 a) p4 W' v5 A* \ when <constant_list> then3 F: [$ J, g7 S% N# f# }
<statement sequence1>;
) i( \! N9 E+ ~" X% a _# O3 Y when <constant_list> then
6 D6 E' b' ~8 R% j/ G <statement sequence2>;
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else
4 F- C# V# z a. N# U9 {+ L <statement sequence3>; B* M+ X( Z' P) s& e* C
end;
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: u' ]- o; s$ n* Y( J& r" N& d2循环语句
% u$ l W' t! R% `) P6 f. w (1) from <statement sequence1>* w3 W/ q- Q" ]9 v
until <condition> loop4 w R) r5 C% k8 L8 B+ _6 G" ~
<statement sequence2>;
* y* z8 f5 y% K end;
4 O* ^4 [6 v6 S* y% y e, V: p (2) while <condition> loop
$ R5 d1 U' B1 h$ J, i <statement sequence1>;
3 D* B' v2 Z' p, \% c end;
+ V& J9 H- s( @2 h- {; _" ]3 h (3) repeat 3 e, K' K5 l" A% f1 M/ Q6 i4 H
<statement sequence1>;; V: [( `2 i' q
until <condition>;6 F. E/ {- b( v% K
(4) for <condition> to <condition> loop
( I' u, d+ ^# B& r. H S <statement sequence1>;
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3中断语句# a' a& _/ x( B. x6 ^
waituntil <condition> prio <integer expression>;
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* }* d* G9 j7 U K9 y% `1 A& c以上为常用的函数!8 k5 P: s* Y0 E, @
还有很多,如有需要我把资料发到你邮箱里
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