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发表于 2012-11-13 08:48:12
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1判断语句* v/ H0 z9 V' [2 g; y9 C% }! ^3 z
if <condition> then2 g* D$ t9 }4 x( m/ S* E/ P$ m# p* c
<statement sequence1>;
1 `: z% o3 f5 |. p, y elseif <condition> then
+ W# v3 u) c) E3 m) q8 y4 T <statement sequence2>;
& h! Q/ l5 Y. C, D+ C' b v9 H7 J else
9 Z2 d, E2 i. t |0 h: ?$ h; o6 Q7 y <statement sequence3>;9 Y5 |: D; Q# ]: {1 |
end;9 a( c, ?* O3 T- l& U3 d
如果分支比较多，用： S) ]: K: x/ w# @6 a: a
inspect <expression>- a; O( T: O; s4 i& p8 R
when <constant_list> then
. f! d/ X3 j1 R/ L- A) w <statement sequence1>;
3 @# l0 I0 d" h when <constant_list> then
5 ?/ }7 W. k4 V! V4 w0 K <statement sequence2>;; K8 k, g- Z4 F/ |8 t/ G! b
...
" r1 l* y6 e; @3 X/ p& _ else
, V+ r9 N% ^/ n, t N- F& X <statement sequence3>;
" |- J' c" D" {5 ^end;4 @3 x# {6 a0 `+ q
' t" t- I" O! @- L5 y2循环语句
6 e3 k2 u* r+ [% e (1) from <statement sequence1>. J2 a: p4 ?/ W3 R4 {$ F$ m& g; A
until <condition> loop
5 V4 Z% Q+ l+ g; ?2 [ <statement sequence2>;3 G! L& W& ]0 g/ v
end;9 e. U: Z; g' N; H) b+ P
(2) while <condition> loop2 Y% ]8 i0 t8 V
<statement sequence1>;
- `7 Q) |5 h6 ^$ r end;
& T5 l6 F2 @, ~% r1 T (3) repeat * T. a! V$ h$ D; |9 Y1 Q
<statement sequence1>;
; O% I3 _: l/ j" m% ]- R until <condition>;- R2 X8 X( H7 ?; v9 O b9 i% _
(4) for <condition> to <condition> loop
+ n" S* t! U3 W% x <statement sequence1>;/ e* z# _. h0 I8 r- X3 y# y1 W; W
next;/ I' t! }1 X" A7 z( U9 N% w
3中断语句
" _# u/ Y6 N% |; w waituntil <condition> prio <integer expression>;
( j* @, q9 E# o* T) }$ H. t" d1 G% ~5 ?! K" r1 f) ^2 A
; W( ]2 m! [4 G* y% P: Z以上为常用的函数！% F1 y: L, C; j4 p+ R% _. }/ r
还有很多，如有需要我把资料发到你邮箱里
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