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发表于 2012-11-13 08:48:12
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1判断语句
% z' n) L: c1 \% H* s" X/ Z if <condition> then# A3 G0 r+ i! ?* `. ^9 S& z9 D
<statement sequence1>;
# C0 w. ?3 Z9 I! Z/ d elseif <condition> then
7 o0 G8 o2 Y- I: M- K& D6 @9 Y <statement sequence2>;. d+ M, A( w( `1 C) D0 q s( h4 E
else
6 a7 j6 l4 v" \% j( W <statement sequence3>;2 V* ^+ o0 ~* S4 a2 `8 ]* F
end;4 g% y* U2 l/ Q! g7 W
如果分支比较多，用：, ]' `2 Z. M2 m
inspect <expression>0 w1 _4 x; g& f* @' x: s. x
when <constant_list> then! B5 N* ^+ z% z/ M4 ?: |1 d
<statement sequence1>;
; F- U4 {: t6 W. T" [' h0 Q' V* u when <constant_list> then
$ A! V+ W. U% }$ R <statement sequence2>;/ \- x) a- K/ i5 q9 t$ _
...
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<statement sequence3>;9 M0 r# y& Q+ t* |) g8 F
end;
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2循环语句
' J& W |7 i% i8 i& c i' Y (1) from <statement sequence1>7 T1 C* h7 C3 W! j) y7 d) F
until <condition> loop
# U! K8 C8 S3 ^0 t$ t$ l <statement sequence2>;& q8 J4 i- Q; d
end;3 i) u- b) G# W& I' I
(2) while <condition> loop* S- @3 Q% w/ G9 Y5 w
<statement sequence1>;
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(3) repeat
- _* G: N; d: q( @. w <statement sequence1>;; b8 j9 O1 ?( K/ x; F5 l
until <condition>;
. h4 I5 H+ i4 j0 m (4) for <condition> to <condition> loop5 N$ k5 o. n( W: k& J% k
<statement sequence1>;" O) n7 z- u2 c6 S3 \3 Z( _, L/ U
next;
. W2 n0 z; ?' m" j9 s5 M3中断语句% Z; Q! @: S* h
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
3 f a& n; k: L) r* f7 S还有很多，如有需要我把资料发到你邮箱里
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