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发表于 2012-11-13 08:48:12
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1判断语句7 R: V3 F' ?% J2 y$ [
if <condition> then/ g8 O9 ~: y8 H
<statement sequence1>;7 i, j- ^- ^2 F8 J8 I0 s7 ?: b1 W
elseif <condition> then
0 ~# z. O) {. B% a9 E5 o" | <statement sequence2>;4 Z! Q) U, Q- e; ]: J2 x1 M- ^+ s7 z/ f( e
else
. ^" h |9 _) _2 \ U2 A5 S <statement sequence3>;+ l$ o4 d- ~/ d2 `9 J
end;
# v9 H& d$ T$ ^* p# o8 n$ e如果分支比较多，用：: c8 X3 q! S% K9 P! {2 m3 R
inspect <expression>
; W: B/ z$ v+ l6 V L/ i when <constant_list> then
( g% E6 q' `& n, m+ M& k6 S- v& | <statement sequence1>;/ P8 C+ `# v% s e7 D
when <constant_list> then! |: a+ s6 s: _% {, R! @5 S
<statement sequence2>;
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else
. Y( [6 m+ r" n- n9 v7 A <statement sequence3>;
% o, _" {! M. ^: o: U4 {) iend;9 X/ F% _" _4 x1 i$ ~+ s
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2循环语句
/ g$ F9 @0 I9 ^! K: E3 R- \ (1) from <statement sequence1>6 D: x7 A9 s6 E
until <condition> loop
' o" `6 l7 ?7 x <statement sequence2>;4 ?3 X0 k; Q6 A4 Y4 ~
end;* O. X' D, Q; }0 `
(2) while <condition> loop
$ P7 S; k9 X1 t! F' V <statement sequence1>;
1 A- l" R( `, n end;
" ^( u( r- u0 u (3) repeat
2 D6 O0 N g* e. I: k3 z <statement sequence1>;
+ X; G# a: M7 Y+ `* c0 G9 q1 X, i until <condition>;
- k8 |% B+ Q- M (4) for <condition> to <condition> loop
- `7 I. O' x6 t7 i% C <statement sequence1>;
g% X4 A2 X( R7 m next;
+ b/ t+ S" t. c# D, @; @4 A1 ]9 G3中断语句- x: W# O5 U( y* v2 ^- p
waituntil <condition> prio <integer expression>;% W6 \- |9 K4 \& p8 d$ [ H; ^
" ]$ {" K2 t& A. S5 m
& I6 }/ ^$ i+ P$ z. i8 Y4 t以上为常用的函数！3 J: y" P5 B, c* G. @
还有很多，如有需要我把资料发到你邮箱里
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