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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
. v- u0 h+ n0 s+ v5 ?3 y if <condition> then
% F \8 K+ A8 u% `" l% B, | <statement sequence1>;
) a: K& l: G' f& ?5 P elseif <condition> then
6 i' |4 d+ e8 J6 i9 { <statement sequence2>;9 B- u K% d: m+ C: B+ U4 \0 M, Q
else * @! L1 q+ g, F' o2 i+ r* a+ \4 D' P
<statement sequence3>;
- y6 s9 s% G) v# }+ {8 ^4 j: D end;$ X( O; j+ c( l6 ]
如果分支比较多，用：0 S1 M8 s z; E' W& x/ J0 h( c% K% I
inspect <expression>+ j4 ~4 N7 f+ r
when <constant_list> then- H$ d( I, d* q/ `0 U9 A4 `
<statement sequence1>;
5 G1 T. T. w, |, b: L/ m when <constant_list> then
$ y6 ?7 S" ~9 q- C# T <statement sequence2>;0 P/ @$ f' M) M( u; ~
...
" z( c; v& }! Y' b g8 k else
3 R/ K; u* V! N5 ` <statement sequence3>;, x4 O: v& b( Y5 K3 k2 y/ e( l4 Q
end;
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2循环语句
* {, \! {; L$ c+ {" Y& ` (1) from <statement sequence1>
+ Q) O( R! m) b) _ until <condition> loop
! A4 i& ^) C! A8 R/ ]7 U l <statement sequence2>;
, v( ^5 K3 _3 L e; y4 ^7 u" X end;
. ~' Z- ?; o: q* T" Z2 O9 J, W. e (2) while <condition> loop
. }7 U6 h) v1 j3 b \0 O: T3 V <statement sequence1>;
4 x/ N7 Z/ Q5 L9 Y end;
" ~) q @5 t% ~: D: K I (3) repeat b, `: @# O5 n [7 Y6 `: z
<statement sequence1>;
V" M( c7 A$ v; @8 A until <condition>;" _2 F ^( L$ J0 Y; j
(4) for <condition> to <condition> loop, U7 y- c& ?' U& c2 o8 A2 n
<statement sequence1>;
5 L! {0 y8 i, R' k next;& D$ q' J% Q5 D. h
3中断语句
& ]2 t$ I6 i" h; n) M waituntil <condition> prio <integer expression>;
' m$ Q" c3 C( i0 M4 v; _
. I! D' v* `$ W+ k" K% I* O
! l' S" \4 h/ r( N1 D; @以上为常用的函数！9 [7 s: D& t, d% A: P
还有很多，如有需要我把资料发到你邮箱里
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