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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句4 H+ M1 i% @2 z0 A$ G Y; v
if <condition> then' r$ U: t. i: }1 ~2 M/ w9 x
<statement sequence1>;$ @; V: G6 D5 k; Y/ y+ g+ k
elseif <condition> then
9 Z+ Q) I! b& y- N% D% ]8 ] <statement sequence2>;) J+ q! f0 F5 G5 @
else 6 _2 U; t; _$ K( A8 z
<statement sequence3>;
; p- V' C- r8 q2 r e end;
( U+ n( o0 n5 J! f如果分支比较多,用:% U- G# O+ k/ z' F" a' W
inspect <expression>; u& [; v! Y& i4 U
when <constant_list> then
) {6 \" I- Y" b- X7 ]) y4 B/ i <statement sequence1>;
: Z0 n6 u M0 V when <constant_list> then$ e6 a' ^! C* i# Y( w) X& S' `; t1 p3 E
<statement sequence2>;
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else
/ @- [% T; [7 `9 g C <statement sequence3>;) J( f6 U! g& C9 x$ A' x+ ^6 G
end;
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2循环语句
1 F# {% d2 |! d% x (1) from <statement sequence1>5 \' D; A; C/ a! w
until <condition> loop/ @7 o$ Z0 }' D* D
<statement sequence2>;' \- ?! Z" R. t+ T
end;
0 O) ]2 }) R. e7 C# ~: Y8 i4 l \8 y (2) while <condition> loop
' @. Q: _' L( ?# t2 c3 H) Z% K <statement sequence1>;
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(3) repeat
3 ^. v5 y) V+ F z' @# X <statement sequence1>;2 \. O& M( J2 W. r$ Z
until <condition>;4 Q3 A$ W* O g
(4) for <condition> to <condition> loop5 o6 T7 l i+ r
<statement sequence1>;! ]8 s Y2 K! E( i$ S
next;3 {! L9 @: ]! b" D# Y' r) \& i
3中断语句
! @1 E# \; H/ z waituntil <condition> prio <integer expression>;. X& n% W3 E2 l G
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以上为常用的函数!4 p( N7 z; Z. O P5 C' H
还有很多,如有需要我把资料发到你邮箱里
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