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发表于 2012-11-13 08:48:12
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1判断语句
: j" n1 B8 F9 ]( C# p0 O if <condition> then0 S3 E0 d+ C+ C
<statement sequence1>;! y: M( m: S" C4 u/ `' `- X+ E
elseif <condition> then
( U& Q! D. o, r2 |: ~) z <statement sequence2>;- f( E* `* J' m
else
# r7 O* E+ l8 P4 } <statement sequence3>;
% y) M* b% K2 v0 a3 B end;
# q1 f- T1 i9 k# G- `0 d# U如果分支比较多,用:+ D2 f3 ^" v$ R! C4 ~, x
inspect <expression>1 d9 k' y) z# v4 r: ?4 M/ M+ Z
when <constant_list> then2 M ^# \4 n7 r. |0 Z* \
<statement sequence1>;
% A7 B1 V- i" ?9 ] when <constant_list> then+ c/ b) L; D0 C, p2 U( d0 l
<statement sequence2>;1 C! D& U% Q0 r2 x; _
...: o* H P, x2 T2 q& ~; ~3 a
else
! {0 |1 G/ D% }5 A3 V* B+ ?' w( z <statement sequence3>;
$ {9 r+ q5 I0 kend;
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2循环语句6 B! d0 a9 y& |+ c
(1) from <statement sequence1>
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<statement sequence2>;
2 x# q8 K) c) S) b end;- W7 W( R% b" K
(2) while <condition> loop
5 S& N7 f/ P# F+ x <statement sequence1>;! v: [2 d+ k2 w8 d
end;
$ _" n, e# f& Y$ x( F (3) repeat ' P; W1 m" z" O1 G' H, s9 J
<statement sequence1>;
* i" v! a" c1 H$ Y3 p until <condition>;
, t a" |5 K( F) `9 j (4) for <condition> to <condition> loop0 n2 A1 J. F% ^8 }
<statement sequence1>;
& h3 G% ^8 ^$ r next;
. g6 ^! B+ ?* y. k3中断语句0 q! F. A) M# S2 I8 j7 y! [$ t
waituntil <condition> prio <integer expression>;
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以上为常用的函数!* [- a; E q% V$ J, ~
还有很多,如有需要我把资料发到你邮箱里
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