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发表于 2012-11-13 08:48:12
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1判断语句
) `" u1 D+ Y) _- B" D if <condition> then$ ?: t7 E% i0 z# |' f/ m3 {+ l& I
<statement sequence1>;+ I" y# \# F! w( Z% C" i5 m
elseif <condition> then
- u; x* N2 ?7 y1 E$ T1 ?4 T <statement sequence2>;! F( x* h0 ~/ {8 E& q' H! G
else
1 \ K& x7 }; d5 U! l2 o6 s" [ <statement sequence3>;0 s# o' o: b$ }8 A
end;9 v9 Y+ j; }2 \- d5 E
如果分支比较多，用：0 A4 G! S h2 f) f+ V
inspect <expression>4 ?: F! e6 g* ~ s# l
when <constant_list> then
" Q) [2 T6 U# V: K, m* x1 _9 I0 j% M <statement sequence1>;
w6 X+ x8 ?( O4 r, S when <constant_list> then7 \. B+ o# ^ n! c
<statement sequence2>;
4 M k- R: }9 Y* w* T8 D: S5 i ...
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<statement sequence3>;
: E" ^0 Y- H4 J6 W' _' c4 lend;
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* {4 a% @2 N" L& i2循环语句
4 @: w$ @+ v; x( a (1) from <statement sequence1>
0 ]8 d: g6 m. o until <condition> loop) {. x+ \3 }# a# ?2 W2 }
<statement sequence2>;
6 ?- p4 d4 q# ~; c$ b end;
9 k1 q0 h4 ~& \6 } (2) while <condition> loop8 x8 v' s. j/ }" x0 a4 v0 d) u& V
<statement sequence1>;7 a3 }8 S% M* X; [/ W
end;' Q* M8 u/ r4 O% n {
(3) repeat + \0 m' Z, `) h# ?3 f( ?# g
<statement sequence1>;
, b& ^/ w! u) f8 j4 e! w" S; L until <condition>;
, u! H9 }8 q3 I" c6 G# Z$ X (4) for <condition> to <condition> loop
8 v1 {+ k% j0 c g" Z3 L <statement sequence1>;
- h0 E+ {3 \- a* |/ X, ` next;
9 _2 c# N; Y) Y3中断语句
+ S) m( V4 b9 K/ R3 A waituntil <condition> prio <integer expression>;
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以上为常用的函数！+ n% C: o. m9 l/ b) U- w
还有很多，如有需要我把资料发到你邮箱里
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