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发表于 2012-11-13 08:48:12
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1判断语句
`" ] \3 D7 `4 M/ ? if <condition> then
' {, q$ l. d4 e: t4 G <statement sequence1>;
" c4 |. P# D, m; z9 s elseif <condition> then* Z( E& A, }1 @/ \+ l' }; h3 h2 o7 A' R
<statement sequence2>;
0 P6 b/ y4 s0 N else . N$ G1 H" X4 P% v
<statement sequence3>;. n1 n% q/ [* _8 W3 B: e
end;4 ^" T/ @4 W( |6 f0 X
如果分支比较多，用：
4 K1 E% S! p+ L) G& a inspect <expression>
8 K) I3 E4 m' n when <constant_list> then: t$ p2 e; U) N
<statement sequence1>;
5 f) \3 p2 P i8 k5 v when <constant_list> then; A* A$ ^) S# C3 D* i+ J! h
<statement sequence2>;
1 S% |4 S& ]/ r. q Z5 ~ ...
' C$ j0 Y8 N- U% e& G else5 P, I+ \0 |! J3 R: P$ b5 E: }( _
<statement sequence3>;
v3 P$ C X3 C/ S+ S/ M) k$ jend;
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9 @% g/ k% t; S: P) G$ T2循环语句& d' j+ L6 y e) N. }* v, z
(1) from <statement sequence1>
9 P- f# c1 O2 u1 H3 E until <condition> loop
, r! p: z7 u0 d/ ?8 B# ?# U6 i <statement sequence2>;+ ?; X' N M" i( v I% a+ J7 K, t
end;0 r E( [. ~( W3 R
(2) while <condition> loop* p5 H; e" J: `, l! X
<statement sequence1>;
( `1 j0 X2 G$ D& f" \- ] end;
3 m. a6 ^. j I. \; |( J7 [ (3) repeat 3 N+ b7 ]9 F. F$ w" p
<statement sequence1>;: T! k5 R! F3 G
until <condition>;' Q; h7 L$ {; v) t# l2 r! h
(4) for <condition> to <condition> loop
8 Z% ]2 F, a" H( i I8 Y <statement sequence1>;# B" N6 _% U, O( U0 o3 W
next;
* P" b3 s: U Q4 _1 y8 @3中断语句5 t x7 V# u0 q
waituntil <condition> prio <integer expression>;
/ ~" L [/ \8 {+ r
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以上为常用的函数！3 ?3 M9 a! G; D: {+ ^' M+ L
还有很多，如有需要我把资料发到你邮箱里 7 \# p% }4 J' m% R4 ^' F3 g: s
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