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发表于 2012-11-13 08:48:12
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1判断语句 }, C6 i9 G( N" }
if <condition> then$ k) a% d! W0 w4 ]* q+ {
<statement sequence1>;
; |3 ^7 n8 |8 m: N elseif <condition> then6 Q: o9 b0 a9 r! u, d! n3 P) R& u
<statement sequence2>;
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<statement sequence3>;9 k4 s" g. T& r! w9 Z' z2 C
end;
5 i6 l( |+ P% @7 n% B如果分支比较多，用：0 u) `2 q( N0 H6 \$ ?
inspect <expression>
: p1 i' [2 `0 D* V when <constant_list> then9 l3 M2 H& u& a& J ~/ ]( U* ]
<statement sequence1>;1 h- C `# j2 s' y$ X$ I
when <constant_list> then
% p( I4 h: Z- _$ F* A4 d <statement sequence2>;
' s- n( b6 K% t) Z+ k5 \ ...
0 Q9 @9 O! l) Z' z7 r% M! @; c- r else. F( J" Q, D* T4 }9 h1 f- w/ b
<statement sequence3>;
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2循环语句, h& g o9 q) L( h2 s
(1) from <statement sequence1> w: j* q0 ?8 L. N" ?- I# N. @
until <condition> loop
# P6 H. b* J% z( Z% W5 Z <statement sequence2>;8 `. w( v% i/ s/ m f6 d* G* i. u0 n
end;: e5 e9 N$ W! Q/ s7 h; `! ]* O
(2) while <condition> loop/ c' N3 y, E' \1 l- b
<statement sequence1>;
9 O: U. h7 Z. H; {, Q& Z- D1 g2 N end;7 s" J( W B) k) l% h: K
(3) repeat 7 b% C3 B' Q9 B! {7 ?) [
<statement sequence1>;3 h% I1 W" n# Q. b- x6 {0 N- @9 Z
until <condition>;
$ V2 _' y2 [6 U9 `: h (4) for <condition> to <condition> loop% _- K. h# k( N" `1 ]" A E" Y
<statement sequence1>;# o% m z* \- m2 u) r
next;
3 {% P+ z6 c! E' R' s) ~" n& I9 `3中断语句
, \9 R k4 o. S5 Y: C waituntil <condition> prio <integer expression>;
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以上为常用的函数！
, h: N; A0 j2 T还有很多，如有需要我把资料发到你邮箱里 3 g: m( Q. ?( K
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