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发表于 2012-11-13 08:48:12
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1判断语句
% D' H3 x$ X8 s1 B* b( ^5 C if <condition> then) P' H+ |7 D h$ h$ w# k' O8 H" R# P
<statement sequence1>;
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<statement sequence2>;# c9 E! c5 |/ x) L C
else
4 c% r1 q* o- y+ F/ _ <statement sequence3>;" C# ?* e* z6 @
end;; A' F. N. _# W4 G# I8 i
如果分支比较多，用：7 u d# {, u, N9 n
inspect <expression># c# e- E0 W( I1 | c* o2 H" V
when <constant_list> then
0 ]$ A) v9 k0 w6 o, l) { <statement sequence1>;5 F0 w$ ?$ \& q' \9 U5 ^) t; f
when <constant_list> then! l3 p4 r3 g& I3 E3 s0 ^4 A) g
<statement sequence2>;8 a. o% r- q' J, z, P
...
" f1 R" c" U5 ? else
8 k$ U0 M/ V t/ T: a <statement sequence3>;
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2循环语句* n1 |: R! }( p& M; X
(1) from <statement sequence1>
$ J8 P$ Q8 P. ~+ w until <condition> loop$ s1 o/ l: m! k' W4 n
<statement sequence2>;# n$ n2 z* N; r# |9 V$ q6 t
end;
2 y( _! G8 A3 X+ b' H (2) while <condition> loop
0 ^ h( d# N7 i3 O+ r <statement sequence1>;
! ~! J L, ?: c! T& m& Q end;
; O- J. Q! R! I; O, q! X' y (3) repeat
& @+ P7 K3 x( i; Q <statement sequence1>;
: I/ [4 w! W# I8 h5 G, y% e until <condition>;) H" N3 L$ x g0 F, M6 M
(4) for <condition> to <condition> loop
, d% `& v# o$ M& F9 V/ r0 b <statement sequence1>;: ]/ W2 t3 O |/ G$ _& C5 n
next;
# h: h, i: t1 A. w+ \# L0 G3中断语句
5 f1 A& ^1 f* o; e waituntil <condition> prio <integer expression>;
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3 ^" h0 j5 R2 q" z
以上为常用的函数！' q+ j' R: j% D4 [. K4 x. t# y
还有很多，如有需要我把资料发到你邮箱里
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