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发表于 2012-11-13 08:48:12
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1判断语句
! m5 p! v7 R) k- c' Y if <condition> then
7 S6 C8 f/ g) v$ ^5 b! Q& i <statement sequence1>;0 A) F0 E3 V0 m: p
elseif <condition> then+ W$ x! S4 e1 y v" Z' \! j
<statement sequence2>;
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<statement sequence3>;
$ N7 U1 ~% t! c( L, @ end;
; d& U6 l0 O5 F' i5 E/ q如果分支比较多，用：
+ `" }1 }6 I8 V. l, o% b& k) M inspect <expression># T( v4 Z; T4 x8 U
when <constant_list> then- Q6 C5 y: T+ t% k. K5 t
<statement sequence1>;
8 {% l3 I% s' C: L0 x+ E) p when <constant_list> then4 C' Y. g2 R s& G' k6 ?
<statement sequence2>;9 V- f- K% w; s, U
...
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<statement sequence3>;
3 l- a5 w) I( R$ \& ?. \. [/ d* N: |end;
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5 F3 q# o2 J9 E4 [. m! h2循环语句
! C5 y/ l: G- I3 p3 u4 C (1) from <statement sequence1>
+ @1 u9 o, ]2 S! d until <condition> loop$ d1 P V0 N& e) X7 ^* v
<statement sequence2>;4 U+ x" Z# ^: h! Z8 q
end;
! R7 S8 ]2 F. ^0 a- D7 C9 d% C (2) while <condition> loop
) l" c( Y) X1 q- q <statement sequence1>;# @. V+ t+ ^% Z& [
end;
& y3 o3 Q: L$ ^, M (3) repeat ! ?6 k( I% f8 N9 d: v/ e
<statement sequence1>;3 i. I5 ~- C$ Y" }8 a I
until <condition>;
5 e! @- S2 ?" }6 @# a* w) x (4) for <condition> to <condition> loop7 j/ [" K9 t) }3 d( n$ v b
<statement sequence1>;) a0 V1 i; L) W6 m) Z
next;
( Y5 [( _7 C2 a( N+ ]: R3中断语句
( b: e) D2 ] [3 \6 x0 b( K waituntil <condition> prio <integer expression>;
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以上为常用的函数！
' K6 `! u5 a6 U. V# A8 s, G还有很多，如有需要我把资料发到你邮箱里 3 z I) F/ }: P1 x6 B4 K
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