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发表于 2012-11-13 08:48:12
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1判断语句
# c- D$ \) D$ k. I# i if <condition> then
- N+ n( U% A: d: ^5 Y6 N" [ m! K <statement sequence1>;1 p* |& B8 v. n: E0 }
elseif <condition> then; _. V2 H# a% U& o1 n" K
<statement sequence2>;
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<statement sequence3>;8 r( G# D2 T2 u' D, v0 E, Y+ b2 x# P4 k
end;- c, }7 [+ i. }* w1 {% L7 O/ W
如果分支比较多，用：; I6 M& t O' `6 m
inspect <expression>; D) q6 A" E; l/ z1 j* n0 t
when <constant_list> then
' [ G4 P( }% E0 b$ z4 \/ _: `% A1 } <statement sequence1>;# ~' i+ U% x! ]! f
when <constant_list> then) Z# b6 a( }8 |. q
<statement sequence2>;
% U' X( e1 [ {7 C ...
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<statement sequence3>;
6 m F+ {1 G, x: ~7 oend;
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2循环语句% B0 _* u: y$ X8 X1 b: H
(1) from <statement sequence1>
|9 i2 u2 |% | until <condition> loop: C& T; c6 S- X5 m7 d6 r* \! w
<statement sequence2>;, s, L% h- ~7 ^* Z. D
end;
( \5 p9 h7 V: t1 }! q0 d, ^ (2) while <condition> loop
) v4 B1 e0 e) _4 ^4 M, R# T" h <statement sequence1>;
" N, w* R8 {" J! y J* n0 I end;
" `/ n( _7 Q0 M. V3 o (3) repeat 2 t" a8 ~/ W; t/ h0 N& J" F" v
<statement sequence1>;, E2 `" g& _, [% L$ x
until <condition>;1 G7 i l9 m% ~- K9 a
(4) for <condition> to <condition> loop9 ?* M! M/ Q) M6 ?! n- l) J$ h+ F
<statement sequence1>;9 W3 c. {- q% w7 k3 l& C
next;& B6 H/ Q$ L$ i2 I/ V: B
3中断语句
+ [: D8 U/ ~! [$ o9 _3 B+ S waituntil <condition> prio <integer expression>;
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以上为常用的函数！4 O' \/ ]' e, o
还有很多，如有需要我把资料发到你邮箱里
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