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发表于 2012-11-13 08:48:12
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1判断语句
, \* K. e N0 Z if <condition> then
- t1 a- k4 q# A9 V" W <statement sequence1>;1 V: k3 N% ]- M) _* ~
elseif <condition> then
+ u& P) A9 E5 l2 j2 F <statement sequence2>;9 W7 R7 Z2 S* u4 q' O% h" o% w
else 6 x3 y% R# L4 w0 w+ {( U
<statement sequence3>;
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如果分支比较多,用:0 G# b& \+ A% V) ?, n
inspect <expression>/ ^7 \$ E( B2 W; x0 s- [
when <constant_list> then
. j# O6 q$ `# I+ Y0 G. H <statement sequence1>;
+ B# ^) a" a: M& d when <constant_list> then
9 ~- m2 D1 U" X" |. {5 B <statement sequence2>;! J0 `& \; b% `
...
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<statement sequence3>;
8 l" @ a- q2 u/ Y& s) ~/ m9 kend;
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) y3 Y# _2 z" L* z" f5 d2循环语句
" G! ]' a7 m: k( H1 Q: Z (1) from <statement sequence1>
3 h4 L( E% o4 A) | until <condition> loop
2 W- Q3 j6 g1 G <statement sequence2>;
y% k2 y+ u2 S6 B; J* |' t end;# t% _4 [3 C4 F# o0 w
(2) while <condition> loop9 v2 V; g+ n' A+ T2 Q" X9 \% z1 A
<statement sequence1>;
' ?" V8 C" x" R1 q& B5 y S end;' R7 `1 {4 N! o- W! N
(3) repeat $ m* [5 U$ c6 | d8 y5 ?7 l
<statement sequence1>;
, u# e: Z: J/ Y0 B/ n until <condition>;4 i0 n: r1 J1 b- g. B2 Z4 _
(4) for <condition> to <condition> loop9 m \# O$ I, h5 m" i" Q( E
<statement sequence1>;2 p% q* |6 a4 G+ E* [' Z: Q
next;- j; G% J# R! I6 b% ?" E
3中断语句/ y9 _9 j2 ]/ }8 \1 O5 l" q) ^# _
waituntil <condition> prio <integer expression>;
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以上为常用的函数!
, E& a1 {9 j4 _$ D$ H还有很多,如有需要我把资料发到你邮箱里
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