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发表于 2012-11-13 08:48:12
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1判断语句' M* Y) Q2 z g6 K0 R+ U
if <condition> then
* z6 ^ `: W% B5 J <statement sequence1>;
1 U2 E6 e2 V4 L% r5 h- u m elseif <condition> then
$ v+ m' ]: f% n- d3 K <statement sequence2>;; ]6 j6 p+ @; L7 X8 S4 m- |9 t* Y7 u- {
else
& U7 [" v: F0 _5 C <statement sequence3>;8 _/ Z w9 \( l- l0 \
end;1 I i( \1 M$ F' `2 v9 G E ?
如果分支比较多,用:
: g& o! c5 R! V$ a) i6 ~$ P. E; u inspect <expression>+ {" T9 w7 i& Z+ u
when <constant_list> then
5 A! t: q& w& `% M, X <statement sequence1>;
% k0 G0 O P$ r1 i$ L when <constant_list> then
. Q# {; `+ D3 B T" _. H% S( w <statement sequence2>;
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else
: w5 i: w& V$ _- V/ V' M* A <statement sequence3>;( h5 \( h8 O/ W# `
end;" l0 h. U y" c4 M
8 \1 N& j, q2 n2循环语句
( P6 R" E7 b k# Q0 I2 g (1) from <statement sequence1> k4 s+ m1 i1 h5 Z$ {
until <condition> loop
' L6 H8 S k" e( C: g0 Q <statement sequence2>;
) x' e8 {) h3 b end;
% Q" {$ O. N7 x9 ?0 M$ y1 x+ V (2) while <condition> loop
7 X: l3 [2 B8 P( A <statement sequence1>;
2 c1 K3 v& ?( `( n end;' V: I+ Q: C2 I+ Y6 z0 b; l3 |" U
(3) repeat 5 L, C: v: a' l& O2 r1 y. \+ g6 h
<statement sequence1>;
, t6 R! B7 ]9 [2 B' B4 |2 z until <condition>;
5 {8 w2 m) m0 N9 E' L (4) for <condition> to <condition> loop
; [2 k, M: g9 A5 J( T6 _8 W: D5 { <statement sequence1>;8 h& O8 V1 _9 T1 |& T' Y" O
next;4 f5 X0 A1 L& p' m$ w; r' m
3中断语句$ a. q1 D% s; f" b% V! |
waituntil <condition> prio <integer expression>;
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以上为常用的函数!- P8 K2 Z$ e$ o- h* f$ J
还有很多,如有需要我把资料发到你邮箱里
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