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发表于 2012-11-13 08:48:12
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1判断语句
5 c2 v5 o; R! C3 `! S0 N, J9 l if <condition> then- c# M3 g, P6 D. v
<statement sequence1>;9 U# x a! n5 w8 v% f6 |9 M
elseif <condition> then
[3 h7 V. U- s1 {' w* ~$ R% g <statement sequence2>;
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<statement sequence3>;
9 Q7 a: d" N0 \6 j9 h3 b5 o9 K end;$ p s/ m2 }1 h) D& v4 V: h
如果分支比较多，用：: c; B/ T* E& ~: y4 E
inspect <expression>
3 `2 X( K* N" ]8 _% {0 { when <constant_list> then
: p% @1 N: `: S' \ <statement sequence1>;, D: d$ K5 j" Z
when <constant_list> then8 @7 E$ o% {5 A+ P: @8 A9 s
<statement sequence2>;& K- x4 \# C+ F) F+ s6 ]
...9 x; k/ W% a: e% o- P% g
else
5 h/ A! h) G5 h4 w v% C( D <statement sequence3>;
5 }4 ~! b( Z2 A$ D9 Lend;
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, z9 e7 U: c3 R1 {2循环语句
* c& C& n/ l2 Y9 G; u (1) from <statement sequence1>: P( p ]# [" X2 `3 O
until <condition> loop
$ y5 H- I! o A! x <statement sequence2>;
/ f6 s G* L* e" Z0 z end;
$ ?, Z0 n+ H1 T" x (2) while <condition> loop
0 |3 Z; v3 v9 K& J, ` <statement sequence1>;" g; z% P6 n* @% |
end;0 Z D" P* L" r f- |. |
(3) repeat & G4 @) ]" F2 ^* K
<statement sequence1>;
8 d) `+ ~0 q" }( ]: e$ v) k until <condition>;& k" M2 b) i, L, L
(4) for <condition> to <condition> loop
) j; c1 f8 U: [; D* d/ m <statement sequence1>;
: N( b: }8 s, K3 T6 G; B next;
1 Z- e9 `- a- Y7 [9 L3中断语句8 l5 C7 I7 k g2 H d( b
waituntil <condition> prio <integer expression>;
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以上为常用的函数！9 y1 g6 ?* ?' H' ]% N8 q9 s
还有很多，如有需要我把资料发到你邮箱里 / `5 g) ]3 g; P, ^% _
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