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发表于 2012-11-13 08:48:12
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1判断语句( }9 f/ d# i/ v$ Y% I
if <condition> then
4 i$ x' U- Y+ a2 D1 S <statement sequence1>;
- q1 ]0 H! l. r) ]8 ~9 A0 b, Z- P elseif <condition> then4 _& _) u: M+ S8 ~0 n
<statement sequence2>;( _3 b1 W6 ]' m* |( m" |# n9 u
else
, _) E' S& P: Y* u! o <statement sequence3>;
' f& e( c4 r/ n7 y! S/ X1 w6 { end;% s3 K* [& v, }- W8 z; D3 w
如果分支比较多，用：% Z; G( l: } V J& \1 a0 p1 m; `
inspect <expression>
- g" G# ~, [6 i when <constant_list> then2 P! @/ X, H6 r1 x# X% z
<statement sequence1>;5 C) L( n" \4 K7 U$ s
when <constant_list> then
* i7 S+ b8 a( T( O, ^ <statement sequence2>;
% A, T0 r" ~) S- P! c: V4 p ...
1 }! y5 s6 `/ _; X9 w G4 Y else
! C+ q" G; `/ K* k+ L. V; q <statement sequence3>;
9 p5 @8 A8 b6 l6 ~, [3 wend;
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; s( r1 M/ O- d% n2循环语句8 @1 z, b0 Z' W+ K
(1) from <statement sequence1>- ^) D& S/ K# J, s% @; @; _, C
until <condition> loop
: O% | P% ^3 R# ^ <statement sequence2>;
! B* h! M" A% Q( w& r end;
7 E" V( h9 F! X+ f$ M5 V a (2) while <condition> loop
0 \* c) N7 n3 a. o% U K. W <statement sequence1>;6 n* L9 w1 e) d8 @; q
end;
, X8 Z3 N- S' Q% ?5 ?1 M; f5 H; |' u (3) repeat
) w7 d, _& |0 s3 B" l <statement sequence1>;
0 ? o& d2 L; x+ A until <condition>;
2 B& m6 I9 L% b) d) |! p9 v (4) for <condition> to <condition> loop
# C; E' e. ~& Z# u9 [4 {4 Y <statement sequence1>;
) Z. W: }* O4 J7 v+ c; y9 ? next;$ d% j/ E( W! d- D
3中断语句7 b1 M; E0 B5 T. D" I2 d2 R. P1 ]+ V
waituntil <condition> prio <integer expression>;5 i; w$ S& n4 \- N* g0 R. t
3 Q6 ]1 j( x5 T6 u4 n
) F9 G# ` u6 e以上为常用的函数！+ r4 d9 t, D- }2 V
还有很多，如有需要我把资料发到你邮箱里 3 a( B: ^6 Q, h7 v9 J( B
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