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发表于 2012-11-13 08:48:12
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1判断语句
7 X7 M+ _; T, E: W& M2 Q if <condition> then
4 i" l9 n" v8 c2 A2 [ <statement sequence1>;+ H5 F' P& I6 U& }
elseif <condition> then
# q4 `) s5 L% d <statement sequence2>;( H7 f! m8 ?/ _, W' F
else
+ \! r( K$ n" n+ X5 X" a I <statement sequence3>;; q& L& J2 i1 m" S, f
end;. @+ Q' K' r1 k0 ? T
如果分支比较多，用：5 N% K2 A) m+ n
inspect <expression>+ g' {+ V! \. y1 J( {6 F0 ]
when <constant_list> then* k, j$ u* h3 J0 c3 q0 d; L/ X! b
<statement sequence1>;3 I0 G$ G P3 ~
when <constant_list> then1 \3 ~1 M* q* P& Q4 f
<statement sequence2>;- H% L( B' ]) q% [# w$ r
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else
6 J8 A6 w6 J' p- B. C7 X <statement sequence3>;6 a* `5 `. P% Z" @2 A: f" V* p
end;6 n! L8 T1 p0 m( H
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2循环语句2 c! @# `$ f. I$ X0 q( ]4 P
(1) from <statement sequence1>5 |5 H U" k, T; `8 S9 S7 q
until <condition> loop
9 R& l! F1 a. }$ f$ Y <statement sequence2>;
5 y5 G% U& h) k4 E2 F) Q9 R end;, r; Z2 r* R) w: d) Q
(2) while <condition> loop
: g$ B. ?1 P0 t4 v# c <statement sequence1>; z& x1 G! A% T0 q
end;. u" H. h7 w! i6 l9 E4 y6 Z7 z/ z" L
(3) repeat - t9 _9 Q) H* K' h* c5 x0 k w
<statement sequence1>;( \. e) S4 O6 a. @7 U
until <condition>;
: w: l) ?8 f8 Z6 j% m (4) for <condition> to <condition> loop& [" J0 s I- U! m
<statement sequence1>;
2 Q4 O0 U6 \7 I next;
; H4 b9 f- i- A8 N. \3中断语句
' J1 N5 b- e# M( I waituntil <condition> prio <integer expression>;/ [) i$ l4 \& c
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, W6 W3 g9 t1 v4 G以上为常用的函数！' c! u) F ~- ]6 j* G8 O0 \
还有很多，如有需要我把资料发到你邮箱里
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