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发表于 2012-11-13 08:48:12
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1判断语句
& H5 E, l% r3 |) n* C* b if <condition> then
; M' \/ a; Y" S( w <statement sequence1>;
K: p( z" J( L {# S elseif <condition> then
2 X$ A8 B- v+ T$ l) @4 _, m <statement sequence2>;
8 j8 |1 F' N) c% N4 ~$ N else
8 Y8 P& T" p9 F5 ]8 z& f <statement sequence3>;
+ A! [! T% X5 O% b3 o: c end;
8 E0 Z+ X Z6 }& I: f如果分支比较多，用：8 g" S% l4 v+ c
inspect <expression>
" m7 F: P9 i! G3 w/ E. z4 J when <constant_list> then
& T B4 f- Z. \7 U$ U <statement sequence1>;
& q2 f$ O/ f, M" F3 W when <constant_list> then
/ k0 }, p2 q9 N; |6 N <statement sequence2>;! J; d7 [9 r, Y9 M& D
...9 ^; H5 B1 w' H& o ? m
else, `; g( M) h7 N" J5 ~, b
<statement sequence3>;; T! y& D) _# F! h) G7 k0 p \
end;3 `" t4 p9 {- J7 ~; m: n; t+ j
& |6 }) N. f9 Y' e7 D
2循环语句
Q1 { {$ v* f; L (1) from <statement sequence1>/ l0 |& L. r4 ^! P4 e: c5 o9 ^% R
until <condition> loop* u) _3 K* m2 U4 U
<statement sequence2>;* b# [- L$ C3 n8 ]
end;* i1 `0 Q% P3 s4 r0 z9 k
(2) while <condition> loop
. K# e, c+ _# k- f6 ~ <statement sequence1>;
5 w. ^' o$ [* [ end;
1 r: ~ Z$ N6 e/ U& v" {( w i/ C% G (3) repeat 0 |" f$ v3 D% b/ D* I
<statement sequence1>;, O* @% r4 Q" n( u: y5 h) ^
until <condition>;3 p& ?1 Q; r- w/ J9 ]1 ^
(4) for <condition> to <condition> loop
% s+ @- {4 X7 y. z0 D$ \ <statement sequence1>;1 [. A1 C& t! J6 m% g+ i7 u2 n0 v
next;5 _# ^% R- _) r7 a
3中断语句
3 U, F2 [8 h2 N% e- g' a6 I+ N, R waituntil <condition> prio <integer expression>;! z' l+ p: k M- k1 z
5 k3 z }: Y5 M3 F/ s% _
( r9 B+ M7 Q( ^, Y1 v以上为常用的函数！4 z- C5 g) m+ P0 q" p& x3 t
还有很多，如有需要我把资料发到你邮箱里 9 |8 V: c7 }9 q
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