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发表于 2012-11-13 08:48:12
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1判断语句
O% a5 a* S& p- ^9 r if <condition> then, A" s- H f- \2 W% l
<statement sequence1>;
& e$ e3 O; W( ]5 L' ~, z4 e elseif <condition> then+ s. `6 B J/ |3 V
<statement sequence2>;
; | Z. H+ H1 X Q0 m' o else
' k3 {8 {7 w) j# `7 ~& D <statement sequence3>;
5 u8 x, m$ m+ L- z8 b end;
2 a+ \' T& ~. ?" s2 m" D5 g( Y9 V如果分支比较多，用：" q1 `+ B7 l7 K& T
inspect <expression>! ?8 l/ [# I* g3 E5 V3 {# j7 K
when <constant_list> then# y8 y& I1 B6 V I" p$ D0 z) r
<statement sequence1>;
2 ?3 v5 ?* g7 D* z when <constant_list> then( X" }, F9 l7 a! D9 n( S( y
<statement sequence2>;
8 ]# Z& a; S: C6 @+ @; u& D ...
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<statement sequence3>;; s% N9 H! |4 Q! y% _& Q
end;
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2循环语句) l5 \; d8 {: J _% O* W j, b7 R
(1) from <statement sequence1>
+ W( y# }) T( y9 i& ]% r until <condition> loop
, J" Z; u2 v# U0 Z0 ?0 u <statement sequence2>;
+ n9 L. O3 w( w( h6 F7 e end;
) z; o! B3 Y& d+ H% K$ i6 ] (2) while <condition> loop
& T" i1 ^) }8 T. Y9 ?8 q <statement sequence1>;9 E( a' T- N7 z8 z+ {% O9 p3 m
end;
, `7 x' O( ^# z (3) repeat
7 g- X2 W; k( X% M <statement sequence1>;
/ ?! l/ E! K1 S6 M until <condition>;5 D' g( L0 ], b
(4) for <condition> to <condition> loop) G$ ~( N+ v4 c& e) q9 W
<statement sequence1>;8 H A+ j$ i( j `5 X; C
next;
7 \7 s, l1 o1 G3中断语句
6 H2 G/ a9 |0 _6 ^1 H3 Y waituntil <condition> prio <integer expression>;
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% v/ A1 n! r: N2 l9 l以上为常用的函数！* Z( q' S: f* {! \6 R0 x" ^7 {
还有很多，如有需要我把资料发到你邮箱里 * a/ z" p5 I+ ?) K$ M
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