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发表于 2012-11-13 08:48:12
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1判断语句* C/ r2 E7 B$ d1 `
if <condition> then
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elseif <condition> then
: C" A f4 w" y: H9 m* L <statement sequence2>;
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<statement sequence3>;
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如果分支比较多,用:2 Z" A) u3 I3 l3 P* ]
inspect <expression>5 i6 _1 z- X% n. a
when <constant_list> then; r2 A* T. C7 E
<statement sequence1>;6 }/ u, E, H N4 T1 B& @
when <constant_list> then% k: v: ]! z4 H4 Q F+ f
<statement sequence2>;. {; m3 P# r: ~2 r7 L \
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else
% v) n9 Z: o' P0 p: j; c* S <statement sequence3>;
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2循环语句: D( _% x: q8 E# j( J
(1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop6 \0 G4 J( C$ n* r* y. ]
<statement sequence1>;; x7 P% `" n$ s8 M, I+ p* \
end;9 f5 s0 R6 N0 ]# W0 W' ]
(3) repeat
. T/ }5 [1 Q5 Z/ P0 j+ i <statement sequence1>;
- }) J/ I* S1 w( B until <condition>;
! \( A( a% b. t# l: v (4) for <condition> to <condition> loop
1 v5 n+ ?8 ?- r <statement sequence1>;: V& p& [' O& A g; ]
next;
& W) b% t% n" E# L3中断语句& ?4 z7 [7 K! h) Q* {& @; Z
waituntil <condition> prio <integer expression>;6 ^8 Q" _9 ?2 A, ^3 b; [" x+ w# u
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以上为常用的函数!
6 ]. H Y1 o! p% y' w' p9 V还有很多,如有需要我把资料发到你邮箱里
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