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发表于 2012-11-13 08:48:12
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1判断语句7 p) @& J: I% P& q9 r
if <condition> then' \9 |0 V' o, r: P$ o9 m% g
<statement sequence1>;/ a% R6 D- c: n& B$ t/ q0 M% X
elseif <condition> then
# c5 W6 `8 ^$ ^! R$ @ <statement sequence2>;
/ U8 |8 m+ ^8 P else
8 \& [4 y# K8 ]) Z0 ?$ L- ^, V <statement sequence3>;2 H y" i; r' M. V) y
end;
g7 n2 [( r2 o如果分支比较多，用：+ Z3 u% ?' E2 e
inspect <expression>, S" I3 ?% m! t0 L8 y: S5 ]
when <constant_list> then
2 r8 j6 n9 e( e; \ M7 k$ z+ P4 ^ <statement sequence1>;
+ B! N& T- `$ ^( f- o8 g' c when <constant_list> then
) Q% Y4 J% s1 |& K: a, _1 L <statement sequence2>;
$ S/ W) ^: ?9 r6 Q ...
0 N5 r; u$ F$ i/ d else0 e1 Q9 F# e U* y
<statement sequence3>;
+ s/ [' E- i; ]3 m k9 Y8 Kend;
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* L. Y0 B7 I$ q) I2循环语句3 ], m* V1 z8 p( C9 W
(1) from <statement sequence1>
6 x/ H& [5 i0 f& B until <condition> loop7 q8 C& g% x: V! T
<statement sequence2>;
% `1 F& Z. x: l. \/ `5 @- a: w+ T end;
3 m5 W# R$ V3 N' C9 C$ K. o) f$ e (2) while <condition> loop% z) N& c: s8 V! ^
<statement sequence1>;: o' Q# r5 d3 s/ H. H) e" i9 H. ~7 ^ n! L
end;% o7 ]' v; T; V' \
(3) repeat ( i7 w, p$ X& _. x+ P5 T2 g
<statement sequence1>;
) \8 g" e# n; J( w* D1 ] until <condition>;1 n: h: D1 U I7 V4 K
(4) for <condition> to <condition> loop, d- `. p9 Q7 q+ _" d `
<statement sequence1>;$ L1 }9 \4 |: A( j3 r2 k' A+ U/ }0 g: ~
next;
" I2 x- @/ M7 b" H9 W" p1 w3中断语句
. ~5 P% t+ E& i waituntil <condition> prio <integer expression>;. f0 G/ h- w$ M2 `
& ]2 g6 W0 u' p0 \( D E# i
( y- ~, X- I% G; F1 j以上为常用的函数！
, q& s+ p7 T l0 |/ U1 n N( N还有很多，如有需要我把资料发到你邮箱里 ; M# _1 B. `8 I8 Y; G4 J' B3 E; c
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