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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
/ k4 E. U3 n, ?+ K if <condition> then' s( A& E9 l$ v5 }7 Q. @
<statement sequence1>;
% r6 z, p+ }' o& @ elseif <condition> then9 t, s( ]0 A) J$ v' Y9 f: e4 \" p( I
<statement sequence2>;5 C1 z9 N# C& f5 o
else
$ t, l/ j6 K& a2 R8 ^5 Q/ m3 O0 Q <statement sequence3>;* \8 G4 p7 O3 [8 F3 v9 v( C
end;
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inspect <expression>
6 m+ V; q1 J. ^ when <constant_list> then
% S0 S n* Z2 A0 B) m! m <statement sequence1>;, f0 m% m/ I. d; \; e3 W5 R
when <constant_list> then
" @3 `/ Z& E3 ?* m( t; u: B& Y <statement sequence2>;
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else7 F! N6 M) Y: S T- f
<statement sequence3>;
& H$ G! [+ E, g/ j6 Lend;
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2循环语句
0 L6 g( p( b8 f1 f; V4 e# G E1 T (1) from <statement sequence1>
G0 `% p. j! D. S until <condition> loop) x/ o! A* j& N
<statement sequence2>;
- n C- N2 L4 }. K end;
) O# p6 y# l5 P0 ^: Q; r& y( H* j; t" d (2) while <condition> loop0 E1 g* @5 q T0 H, X( a! l
<statement sequence1>;
% q( b, N9 `2 p& b, ] end;, q" [ y0 f+ J
(3) repeat - _) U5 r+ L1 t, C9 z, O9 l
<statement sequence1>;# r5 o/ O, Z/ L8 p0 u8 X
until <condition>;
5 L- L; B4 {% n (4) for <condition> to <condition> loop; P* o$ ]$ {' c8 y) Y, P$ A; s
<statement sequence1>;
. z; B8 t* j5 M. H next;
& l# W. p7 S7 C0 B6 l3中断语句
& q/ U) ^! `5 x# R4 `2 t+ _4 d waituntil <condition> prio <integer expression>;
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@6 X: g, m$ ?( f% S9 y& y以上为常用的函数!; n0 Y+ Y0 H2 Q; w6 [8 [
还有很多,如有需要我把资料发到你邮箱里
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