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发表于 2012-11-13 08:48:12
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1判断语句7 o! b- O7 U' g& N
if <condition> then
* p& D3 O. x4 v8 M, d$ ^0 w. S <statement sequence1>;
5 n8 s8 t/ ~" |) f5 | elseif <condition> then1 F/ m h* |! s9 X! y
<statement sequence2>;
4 s; }7 i" r1 x( @( B else
9 w/ W5 B1 R7 m; o <statement sequence3>;
) d! }- C# U3 V9 \% b end;
% W3 j1 W3 a( O6 A: z9 ?' @, H如果分支比较多,用:$ c) J; N2 S4 u( K# k% B
inspect <expression>- G+ M! ?7 T, r; C4 ?1 X: l
when <constant_list> then
' n8 D0 b% ^) I. u <statement sequence1>;5 I- i3 }+ i6 h2 V
when <constant_list> then
& O2 I0 O% s& M* M5 d t1 j9 l <statement sequence2>;+ G1 Q' d" K! q6 \4 ~$ E
...
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<statement sequence3>;
3 t: _1 m$ S8 \% o2 \5 Y! Tend;7 |9 F: o3 e- m" b% C
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2循环语句9 E9 W p" i [8 c D
(1) from <statement sequence1>( x6 Z; y" x7 L- B- G; V
until <condition> loop, W( ~$ a( ~+ Y- E8 T }
<statement sequence2>;) u3 q+ Y' p4 N. z- X
end;9 {8 I+ m M2 Z/ k: b9 Y a
(2) while <condition> loop. n, ?) W: K7 B: A* ^
<statement sequence1>;4 `1 e( Q7 |' m! k" o4 Q# |9 F8 e
end;! J$ K3 Y1 j# @
(3) repeat
! d% V7 N+ Z1 K# w! ^ <statement sequence1>;+ h5 [9 Q8 I( \) z' {1 q( _
until <condition>;# O. Y4 j$ F7 q
(4) for <condition> to <condition> loop' a+ ]7 ]' z# M) {5 Y
<statement sequence1>;
# W. L. j, w1 N next;
, d0 D: [+ d8 V% U$ F- `' c V3中断语句$ W: ]! a! B: T+ P1 `7 j: b* Y5 e
waituntil <condition> prio <integer expression>;) P4 {1 _+ w* B+ s0 T$ [
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8 }; Z' ~3 b8 X, b7 C- N以上为常用的函数!" M" G& c9 ?4 |3 T# x& L6 k3 b2 ]
还有很多,如有需要我把资料发到你邮箱里 + C! R" N$ Q* \# Y% g
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