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发表于 2012-11-13 08:48:12
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1判断语句% `' n: O l1 |- r, ?
if <condition> then
8 p6 z# [5 p8 b# u8 F# [/ S <statement sequence1>;) D N; p1 g- F
elseif <condition> then
0 R5 q2 u4 ]. r8 S/ y <statement sequence2>;
5 q7 t6 f0 L# l4 i" f8 B# c. e else
! S# ^4 ]$ L. F/ z <statement sequence3>;
1 Y) _) j0 Z6 Y- g c6 N end;
* w$ s( z* E$ {+ {" Y# p如果分支比较多，用：
% _+ t& d7 }0 p5 B$ a8 ? inspect <expression>
* n1 [) M' j+ U/ d- s6 e when <constant_list> then
. A/ i/ y, |6 c4 z0 ^! |7 k <statement sequence1>;0 A2 s' ?$ r! ]4 F; h
when <constant_list> then8 w9 [& Z8 Q4 g7 o9 N
<statement sequence2>;3 P9 g' o1 w9 z
...
# ^- k, J$ J% E) C1 B$ v else
: X5 e+ d; F; S <statement sequence3>;
4 r- M- r) Z6 b$ F0 E7 L, m$ Z5 Rend;
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2循环语句
3 j, O9 ?4 Q# n. ` (1) from <statement sequence1>
2 c! w% Q! g, \/ y4 ~" p until <condition> loop$ j4 p+ ~" J9 F: T5 L- \
<statement sequence2>;
k$ ?, K+ V1 E end;! q* j5 a/ Z* {4 F s- p( A
(2) while <condition> loop' z( J* ]$ h4 G4 V: e
<statement sequence1>;, j, o) Y4 I2 _. o5 R
end;
$ Z9 A5 b* }- L: } (3) repeat
( T* a8 F0 c. Q) [- m* q <statement sequence1>;8 Y& q Q- t: \7 o
until <condition>;! ~" {4 h* T# l# B0 z0 ]5 G
(4) for <condition> to <condition> loop
' j0 O" ~+ V8 x' k' P- n <statement sequence1>;
+ n% ?* N* U" z' D6 z; I2 E next;
$ V9 X- o1 Q2 \/ b% |, \3中断语句
8 w/ D; i, W6 Q+ d$ C) q waituntil <condition> prio <integer expression>;4 D2 r. I# X$ ]! v7 z% k
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以上为常用的函数！2 @+ M' z! T! k! f, t
还有很多，如有需要我把资料发到你邮箱里
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