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发表于 2012-11-13 08:48:12
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1判断语句
" s. V: e: T! v6 G$ b if <condition> then; V' X" T6 n8 v% H% S4 B' P% h
<statement sequence1>;5 Z/ u( ?& |' G
elseif <condition> then
6 T. U) O" }9 L6 q; x6 s <statement sequence2>;
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<statement sequence3>;1 c: n- ]: l2 s F& w' N
end;
' N! t* l0 `5 |* J1 }如果分支比较多，用：
5 H/ x$ d: }/ _, h1 j4 f inspect <expression>
8 T5 b6 {- s5 z$ y% E0 Q K1 T when <constant_list> then
; c( k9 g4 e3 G) O! m9 l+ {- k <statement sequence1>;
( \: I* M$ s3 ~" B9 F when <constant_list> then
$ h2 _) Z4 z. d3 F1 K. @4 S% L E: s <statement sequence2>;) B2 A3 ^# d( K& X" l; |
...6 w( R1 Z5 k$ R: f
else A. R k- h" D( y. t
<statement sequence3>;: W* W, V. b/ ^2 H) k! s+ D1 s
end;4 P2 y9 U4 X3 k1 m" \
3 k+ W7 o9 @* E; e2 @: _% z- R1 z X6 R2循环语句" K5 W0 A( C. v M' M g6 E
(1) from <statement sequence1>
' e1 G% E2 O. ~2 ^7 p# t& A until <condition> loop
& M( e9 E- o9 J/ ]; D4 ]* _ <statement sequence2>;
9 \- P# e; f# b1 Q7 L+ U9 C. V end;
! h# M c" C* p (2) while <condition> loop
) @: ~% ^7 S' b$ p) l. Z ]( ~ <statement sequence1>;
8 {8 u0 X/ ?" I# s. S; q end;) p( ]. z5 j6 u, e
(3) repeat
6 ^" |) h6 U1 u3 J; S3 M# _ <statement sequence1>;5 D z. \# j' N# J) K3 _6 P, a
until <condition>;" M+ J& _) m: \3 ^
(4) for <condition> to <condition> loop4 w6 d0 ^5 N, j# M% |
<statement sequence1>;
) }& c* C( c# u5 \" b9 z) _7 r) E next;/ S( V" o5 k- {4 f
3中断语句* K& i) g" G) U+ @0 J' c! n& g
waituntil <condition> prio <integer expression>;9 b1 K; w+ w2 X& d
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以上为常用的函数！
% M4 Z, ?* [* n0 d/ d$ u还有很多，如有需要我把资料发到你邮箱里
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