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发表于 2012-11-13 08:48:12
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1判断语句0 g2 Z0 @/ `& |# P8 C
if <condition> then5 A+ [" s+ G% x! g! t
<statement sequence1>;
% M& m6 s+ v( y4 s/ V% g elseif <condition> then
6 r1 T P. u, e+ b <statement sequence2>;
* D, b8 ?/ E) j else
! Q5 w! r' Q/ l* H# L <statement sequence3>;
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如果分支比较多，用：
4 i8 m+ H/ B' u9 m0 x4 w& \ inspect <expression>2 d5 g4 c6 A# q0 j7 @+ |, s
when <constant_list> then u S0 b' I4 \
<statement sequence1>;
7 `2 Z; n) Y4 ?; B' Y when <constant_list> then
. i' E% n; `% h2 x$ _1 Q0 t <statement sequence2>;
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else
; b) u( G% H, L3 Q$ ~" } <statement sequence3>;
0 H0 s$ Z- X3 Cend;) t" ~- w- p9 Y1 a/ |, Y
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2循环语句# G2 e, S, E4 q" @3 c
(1) from <statement sequence1>
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<statement sequence2>;) e+ }- L: h( `. r" J( u
end;
$ O0 I$ e- m' t (2) while <condition> loop
) u/ o; Z9 y8 _1 C1 J* T% O <statement sequence1>;
: v) a8 c9 [" V end;* [+ x- W' Z5 a
(3) repeat
- V3 D- U3 c1 O7 s <statement sequence1>;
1 ]) A0 Z7 E! R; p6 } until <condition>;
( l8 q8 O9 f! \5 [, |2 i( f (4) for <condition> to <condition> loop
1 K7 v+ {, k; ]1 J! ^ <statement sequence1>;
- b8 H1 P- L. b* v" v! [" a next;
: l3 b# g; I3 j$ i3中断语句+ ], ]5 d' t @" {+ h! `9 S% C9 J
waituntil <condition> prio <integer expression>;# r+ k" R+ l+ i b5 D4 I) p* N9 G/ R
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+ J7 \. y, T+ k/ m以上为常用的函数！
/ L& z6 V9 o5 w0 W- z* O i/ _. Y" E x% S还有很多，如有需要我把资料发到你邮箱里
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