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发表于 2012-11-13 08:48:12
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1判断语句
9 n/ G0 S- L5 R7 h# N" J8 ~3 k if <condition> then
/ p9 o3 C+ g% u; o: \ <statement sequence1>;' z- _. p$ o1 x9 t9 F" W' u
elseif <condition> then
: t0 T+ W$ [) H, `4 i <statement sequence2>;
V8 ?! J( @* z" v else
. w. C5 n3 D6 x8 z <statement sequence3>;8 O, e; v1 {3 ^5 {' h" c
end;
& d3 ?8 i* s4 ~7 }如果分支比较多，用：& e! M- F8 V+ _4 L( R l5 e2 ]
inspect <expression>1 p G# x% j6 P! `( \2 C! f. O
when <constant_list> then9 r- @1 q* a& Z7 C1 B
<statement sequence1>; E1 Q8 i7 k" o2 M) l" b
when <constant_list> then
4 ~& m8 e; ]5 C4 O7 o <statement sequence2>;
\' O8 P- ]5 E2 [5 j- c. D) z ...8 e$ q9 P+ Q0 ^" s, s% E9 @! g
else) R' D% W+ ]# ^0 z/ G
<statement sequence3>;7 G+ U$ \( ^# U
end;. ]! H3 {1 Q4 D' U% l6 b
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2循环语句2 m9 k5 Z- F4 _3 T
(1) from <statement sequence1>
# z2 ^/ T$ {) C4 \4 s until <condition> loop
% B, j/ T0 i$ q- z <statement sequence2>;
( q; W, B" L, [/ x& k/ Z% ]! V$ U8 O- o0 j end;4 w8 n# |1 ?4 t% K, o
(2) while <condition> loop
* A3 G! |! A4 q5 E5 J <statement sequence1>;4 @, ^! O( p3 B' ]/ D$ l$ V
end;
- W* K" @8 \' ?* t (3) repeat
$ a6 `, ^; j/ J( x N <statement sequence1>;) G& c2 A2 l# k4 A6 f K( M6 x
until <condition>;
/ F7 _$ ? _, W7 j1 N (4) for <condition> to <condition> loop* Y" ~9 y3 n6 c, J0 m8 I
<statement sequence1>;
R$ I* O3 x* m$ E* c9 r5 v4 b next;( W& @, I/ ]. n: U I
3中断语句7 A& U) {/ a+ r9 P! d$ p7 _
waituntil <condition> prio <integer expression>;
, s4 _) G7 T; l5 l! c2 O" q6 R" o- s2 |: V
& e% _9 T9 |! i7 E以上为常用的函数！
( H7 A. W& `6 Z还有很多，如有需要我把资料发到你邮箱里 & {$ r7 P$ O3 {% v/ L) ]# j% r
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