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发表于 2012-11-13 08:48:12
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1判断语句
5 R* `) Y1 s) f5 X3 G% ^9 I1 D% k if <condition> then& C5 l {$ H9 e: R, R/ W
<statement sequence1>;& L r6 y0 Q2 @! r, L) \
elseif <condition> then9 D2 a+ |1 u! u% r
<statement sequence2>;
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<statement sequence3>;4 o! [2 T A, v% ~, Z. m
end;8 {: k; K, }$ U
如果分支比较多，用：
" W0 ]. K5 J# w) g6 c4 @. J inspect <expression>
' |9 C# D Q; J. s" Y when <constant_list> then
5 E" D+ n$ s2 b: u# m, {3 T <statement sequence1>;
$ O0 ~7 {5 G& U' B7 [7 Z when <constant_list> then" h5 W# k6 D: X2 h5 Z3 Q- y
<statement sequence2>;
- B+ [0 k) p& ^$ | ...
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<statement sequence3>;
; o7 A& U6 ~3 p# ] g0 Q$ @end;) o% K2 m, M, Y+ n' T3 ?! p
! Z$ `! z W8 {+ t2 c2循环语句
* ?% y! V" W) ]% t( d (1) from <statement sequence1>
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<statement sequence2>;
8 O) i# A, ?- P: N end;
2 g. Q+ `! h& ]; P$ K (2) while <condition> loop: R3 h/ i: _) j. L
<statement sequence1>;& a9 G4 G- c4 t2 b' I ?
end;% B7 s; y+ @# y& ~
(3) repeat , e. c4 L- W4 M
<statement sequence1>;0 k: @7 b5 q7 A' c4 a
until <condition>;$ ^' v: k. w/ C2 x# o Q6 o
(4) for <condition> to <condition> loop: ~& Y. B$ q0 W
<statement sequence1>;; }# |2 K5 G7 B' A$ J+ q
next;
# b- n9 z; ]/ O9 ?* S3中断语句
& |3 e( e, v M' b& Q) v+ a waituntil <condition> prio <integer expression>;
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以上为常用的函数！
1 c0 d! O! |3 b+ w$ A! v' Z5 @, T还有很多，如有需要我把资料发到你邮箱里
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