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发表于 2012-11-13 08:48:12
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1判断语句
8 t/ u! l( B) a4 W9 z. C if <condition> then3 u) ~% A8 ]" O& h1 J8 r) d
<statement sequence1>;
% {6 b3 Q# M* s& F9 c/ W Z elseif <condition> then
" @" \2 e: e* }) d# J6 I <statement sequence2>;. Z; o. M' N( H- S
else
! d R, `/ K$ D/ R1 ^0 L9 N) O <statement sequence3>;# O( e* M3 ^4 i, A% d+ d
end;0 y% b5 o9 I0 m# I- B; [% B9 m
如果分支比较多，用：
+ t5 G' j5 ~; w( E" q+ Q inspect <expression>1 l) O) m& [* y0 y1 i8 ~
when <constant_list> then
1 } J& n; _8 g. s <statement sequence1>;& q- j3 \" C/ [
when <constant_list> then/ Z* ?* I( w5 Y1 x! U
<statement sequence2>;
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else% ~% k1 O# [* ]3 D2 R- t* ^9 _
<statement sequence3>;
+ I& _* U6 H3 n, m1 B8 _end;
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4 m- s( V/ S( M S" A2循环语句
+ {; G" x7 Z" Q- O (1) from <statement sequence1>/ K+ E& N7 f$ k2 p( ^
until <condition> loop
; j' H$ k* \& a( e6 F <statement sequence2>;! R" `/ `8 z% F1 @$ m) Y* a
end;+ n: Q2 G: Q2 T- ?
(2) while <condition> loop
5 S) t% P. [0 Q. C& f <statement sequence1>;1 H l$ P% e& @2 q1 \& E
end;
: H. P+ r/ b, l (3) repeat
( s& P/ ?8 w" i( M3 a <statement sequence1>;, e$ T# q7 J. V+ m# V0 f; `
until <condition>;
) x6 p/ V) |6 f4 y7 |+ b! r- Q! m (4) for <condition> to <condition> loop
( P% P! k- q5 F' @9 S% b6 ~ <statement sequence1>;
. d. ^- S! ~/ _+ f8 ]( f next;
! _* r1 I- a6 n9 M$ v3中断语句
+ x; J7 @" j& @& y* s$ M* r' y, L waituntil <condition> prio <integer expression>;& n3 A( _9 s8 g" K* B- g G" P. G
' l& M/ o" n: A- y8 i
4 V; Z. | d2 P9 F6 A* M+ u" m以上为常用的函数！
# H; u6 T* ?* k9 e0 L还有很多，如有需要我把资料发到你邮箱里
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