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发表于 2012-11-13 08:48:12
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1判断语句" f' h' a$ K- C1 Z/ e/ v5 [. @8 ^
if <condition> then# w0 X- g& G" h" g5 K; `
<statement sequence1>;
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<statement sequence2>;
9 n, z F* r/ N5 a else
. c' I7 J5 n4 Q( P4 V <statement sequence3>;
1 E' @+ U) F) l! @$ ~! V5 S end;
0 t: c8 M( h# V+ \4 A$ V如果分支比较多，用：
5 c4 R# a+ Y) q; m2 L! g inspect <expression>. _9 ~: m% l3 K. e, p6 u+ P& \5 i& S0 X
when <constant_list> then
# @% @' w" h0 S! s <statement sequence1>;# s- b, ~9 y {: f3 d' t
when <constant_list> then
8 R% k8 y+ F P <statement sequence2>;7 p% s: N& ~, b0 I( b
...
, ^, I# ?% N4 Q8 d9 ?% N else
. D" H% }- i: f( F. T+ R <statement sequence3>;, s0 ^. S& b. _7 H G% B
end;
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2循环语句
( w, x5 K6 H( b$ y0 a" j0 t (1) from <statement sequence1>) x! b* c& T" ?+ A
until <condition> loop8 g1 v% D! y- {# m+ Q3 s- V8 W
<statement sequence2>;
* s J6 m& ]+ g. @, H1 [9 o4 o. v end;
- m) K, @* h) \! ~ (2) while <condition> loop
1 U0 y$ _# o# r9 Z3 r6 } <statement sequence1>;
& \* ^3 }7 r$ K4 H0 Q- e+ P1 @ end;! ^6 T, B9 c. |; Y a
(3) repeat
" }0 \8 F1 o( L" |% e! }# ^ <statement sequence1>;
+ x* `* I0 o# v9 y. H8 u until <condition>;
9 ^' m& }5 V, I( ~' j5 T. x/ g (4) for <condition> to <condition> loop- V6 |8 ^' O& a8 k+ j4 A
<statement sequence1>;' x# N2 b8 q- t! }- R
next;
& j- B) {1 \( f/ Q2 ^3中断语句4 v, s! C: J$ O4 I3 _
waituntil <condition> prio <integer expression>;
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以上为常用的函数！5 M l; N; i( G, u6 X( ]) @6 G: `
还有很多，如有需要我把资料发到你邮箱里
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