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发表于 2012-11-13 08:48:12
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1判断语句3 x ~- m; H7 d/ [6 v+ W" Q8 @
if <condition> then
- F! }# |9 W( g3 N# W <statement sequence1>;
8 Z) M& K. r0 P& I elseif <condition> then6 b/ S8 N* q" G- M2 o5 y Z/ W' j
<statement sequence2>;
% C% S3 e( D% ` else
a+ N3 q. N- B& Y& A/ X% x <statement sequence3>;
( ]# N$ f9 x) L' r5 u end;
- }, Q$ [. j2 H如果分支比较多,用:+ ^* T) `/ |5 a$ |) F/ |
inspect <expression>
- a R: c2 A& I) k* u/ }6 e when <constant_list> then) x. n) \; D& \' L* f9 v
<statement sequence1>;
8 e. f8 ~5 O- a u' v8 w& Z% M when <constant_list> then
. [4 |( u4 Z( q; u4 }! K9 \+ C <statement sequence2>;, H; |% l' a1 }. i: K) U
...; e* o" T. k8 W
else9 j* }2 T% I0 \3 r7 q7 \: u4 \
<statement sequence3>;& R: B! w6 ? K0 s3 C2 o
end;( v" `8 ]# r% U8 h* p
7 I# e0 C( A5 S( n7 b( K# O! d2循环语句1 @2 ]7 ^8 }3 C) d3 k
(1) from <statement sequence1>
- i: }3 O; Q. o# C until <condition> loop7 A9 a- F8 P2 ~ L! c
<statement sequence2>;1 O/ l+ L8 t$ e# v* R, g
end;' n$ s8 a( E7 o2 W1 m
(2) while <condition> loop
6 k( F( d" j' F) c <statement sequence1>;
, h8 S; U$ L. o9 p end;
) A/ U1 s" ~1 X- K7 [- S (3) repeat ; p) o) E D& l- z3 L4 m1 H6 z
<statement sequence1>;
8 T4 h: t. G2 Q until <condition>;
( s1 w* C9 a4 N4 } (4) for <condition> to <condition> loop
0 l9 P6 R! U! d- H2 Z( f <statement sequence1>;6 S9 j9 }, n# i/ U" y! Y
next;
# z' U3 R2 O. n9 @# N# N3中断语句" Z7 {* N8 g) d3 z
waituntil <condition> prio <integer expression>;
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5 H' T2 m' |( a6 x9 @" h5 T' K以上为常用的函数!/ W0 E% t; A1 [$ T/ l; Q1 `1 _/ o
还有很多,如有需要我把资料发到你邮箱里
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