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发表于 2012-11-13 08:48:12
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1判断语句
& K& B6 z# v5 i7 w* G if <condition> then
! g$ |% w* j! J4 | <statement sequence1>;
2 y6 C2 s- m# o& n: ^7 d$ x' ? elseif <condition> then
$ V$ f8 j A# ?+ K1 w# f4 P8 k' Y <statement sequence2>;
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<statement sequence3>;5 {, z; y D% H8 }* D }; a
end;
9 a2 h5 ^9 u2 }$ n' i如果分支比较多，用：& {" t- v$ m2 C ^1 z
inspect <expression>
3 e, C z8 E$ @( r% d# l' K when <constant_list> then
$ X$ p4 j& y C <statement sequence1>;
6 u3 w4 m- N& n7 {9 N when <constant_list> then
& D$ i$ N4 M h) G! S: c! Q <statement sequence2>;
$ y# k) Z* q$ \ ...
8 L# a( o7 f, |" i6 C0 t" O else
1 z, G+ I8 i8 M. Y% [( y <statement sequence3>;
. n2 U$ d3 O0 T9 U& A1 C* H) n9 f* ]end;$ d- ^: A$ E. k, @4 ^
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2循环语句. i& |" L3 Y7 n5 F" G
(1) from <statement sequence1>& J# ^9 k6 l; ` W
until <condition> loop
& f. e6 Z+ [& J( p |+ g( r( U9 L/ Z1 j <statement sequence2>;3 f' d% ?4 t, f* X! K5 Q3 p# R
end;$ o! n4 c! G# ?& U- D/ i! n
(2) while <condition> loop5 {/ E/ E% W2 ^! r% v. x
<statement sequence1>;
: h% v) ]8 g- ^. S5 W) W! x end;/ G/ h9 ?5 ]5 M6 U% c g
(3) repeat
' p6 y& l& F/ z. {3 M+ V <statement sequence1>;: I& E, V' J1 r6 Z" d
until <condition>;( ]5 I- M' d( H
(4) for <condition> to <condition> loop3 x+ q @# Y2 Z
<statement sequence1>;. k- P( x+ _1 e2 l" u4 K$ K( f2 X' }" F
next;
7 v. D0 z; n, g/ c# {' `. Z* `; b3中断语句
! `9 u9 ]$ `* D3 l" `1 X waituntil <condition> prio <integer expression>;- N( J1 ]: i- c" L. n8 K4 z
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以上为常用的函数！
+ R8 a. C- k- o7 h, U% d还有很多，如有需要我把资料发到你邮箱里 . v/ F7 U$ _0 V2 S0 W1 k# U5 L
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