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发表于 2012-11-13 08:48:12
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1判断语句0 |+ I B+ h! r! [4 }' T
if <condition> then) q5 o! m& i k- L' s2 ` n
<statement sequence1>;
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1 R. K. ^* c7 Q" r, c; [ <statement sequence2>;6 f4 m* M- G7 ~( m$ r7 Q- h
else ' y* q; L4 ~1 D+ W5 L6 O
<statement sequence3>;- _0 K1 u3 k F6 g& q m
end;2 o+ A7 O4 _/ {
如果分支比较多，用：
; e6 O& I/ Q) i! Q& V inspect <expression>
7 H1 O4 S6 X4 L% q/ |, V. K when <constant_list> then
5 ^% G4 R" C: v3 B <statement sequence1>;( a* s* Q3 y8 m8 g$ G: \
when <constant_list> then& v% k5 a/ H' o' c! }; g
<statement sequence2>;* K2 d* H0 H1 K9 A( `7 ]+ l
...9 A6 z ~' D( w- I: W% X
else
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2 l4 ]8 S& p; m, @' Z2循环语句. e& a! e* p# R! N4 t2 I* g- l
(1) from <statement sequence1>
( K4 J, k0 P4 J7 w% ~ until <condition> loop4 q' J: o; ?( ~: [5 o! o
<statement sequence2>;
0 m6 o3 E" P+ A5 i- V; t+ }' c end;5 Q M) o, L- s* _' x% I
(2) while <condition> loop& U w8 x/ \5 }. s0 o
<statement sequence1>;4 a6 p) L1 @6 T m* C3 A, e1 i, N
end;* V6 ?- Q% X& s& H$ z* \
(3) repeat $ D7 ]0 {; E) J, w6 ?* h/ `! C
<statement sequence1>;
2 d: i# y: Q$ l) x& y# a- W# K: b+ u until <condition>;
- A; \( i8 W: ^* [ (4) for <condition> to <condition> loop
6 S: v. o, K& L <statement sequence1>;7 Q$ D4 B6 z+ \9 X$ G
next;
3 C6 ]5 P6 p4 ~3 _3中断语句
) X9 I% Z6 v/ e waituntil <condition> prio <integer expression>;
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以上为常用的函数！, Q h3 i0 U/ J
还有很多，如有需要我把资料发到你邮箱里 / I4 A, M" |& s3 ?1 j: N
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