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发表于 2012-11-13 08:48:12
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1判断语句 Q5 W3 J( b" J( h+ n
if <condition> then
5 h" t, h, H: Q& A* g; Z+ H+ I <statement sequence1>;( n1 l# M& Q5 u4 k* c% a
elseif <condition> then/ P* ~2 k0 ~& e% L" ]
<statement sequence2>;
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<statement sequence3>;( B3 q$ f* ]# L8 s, a6 ^
end;% i- q3 O2 b8 {* w6 v2 m
如果分支比较多，用：
M1 p/ w7 e8 ?( ~, ^9 s, @" T inspect <expression>
+ C. O$ Y7 d: Z9 C8 [# u when <constant_list> then b/ g5 F- y, g/ n& o6 ~
<statement sequence1>;
% q f- a6 p, k6 c when <constant_list> then$ e$ W- l# r2 _
<statement sequence2>;
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else' A. A% {, ^: f# j" E) s1 a
<statement sequence3>;
6 w/ W1 e6 |3 r( h$ Cend;
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2循环语句- k3 B# k. P' _% Q1 D
(1) from <statement sequence1>" e) E2 s6 f3 s6 \5 k) P7 ]
until <condition> loop9 s! I+ u; a8 p9 c* z' F
<statement sequence2>;
3 k5 Y G0 P, X/ u3 @0 Q F* A end;
2 O, @4 F6 ~% g( h (2) while <condition> loop/ R$ m/ e" h& A# L3 w
<statement sequence1>;- X/ h; D! \8 p+ W$ Y. C: B
end;
+ R+ G K$ M2 T1 v# _2 n% g (3) repeat
. X/ \5 X3 w2 q2 x, f <statement sequence1>;: ?8 y, f, P% @7 E8 h. {+ B
until <condition>;
* [$ L4 u O. f o# J- h& d! x7 M6 n (4) for <condition> to <condition> loop/ f; I4 `3 ]5 m* W: r6 e
<statement sequence1>;; r5 l/ z0 l/ z, [% q- d0 }$ o
next;* y. j3 |9 j( |1 @, m5 {% h
3中断语句3 F6 W1 I, j! _, j2 R0 K% A0 d7 Z
waituntil <condition> prio <integer expression>;4 s. Y+ E# G2 ~& P
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以上为常用的函数！' Q* O. N. o9 u% F, E
还有很多，如有需要我把资料发到你邮箱里
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