|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
- X$ `( j5 W! ]2 z E2 O$ S3 m+ v if <condition> then
d3 F' q' T/ c: {* f2 E2 j4 ~ <statement sequence1>;
, }1 K/ h+ L% J8 P elseif <condition> then
; \ z2 {; G. Q; w0 S: j4 w; @- b <statement sequence2>;
I- T- s) r+ T6 f* u else
. n' P+ @; i, R: Q/ ]$ w5 w! N2 [ <statement sequence3>;
$ l! v* y, X- d% F: n% L end;
6 Q1 W' G$ s' }) H0 K2 x2 o6 N% G0 L如果分支比较多，用：& W* n. E0 T1 F2 S
inspect <expression>
* I5 g& f. I0 e# g) l' p$ q when <constant_list> then
0 |* P7 b4 V( E' u5 B2 @1 o <statement sequence1>;
* O7 @/ H b, K) w when <constant_list> then
" B7 u4 f# Z4 n; P <statement sequence2>;; s, k0 G) u' T# E
...
' }" |3 O4 A3 w1 e9 ]. z& |! K6 ` else
8 Y$ {' `% X; M* V <statement sequence3>;6 \+ `- M" W) [6 C8 J8 t
end;0 J$ Q B3 r0 ^9 f }. g' n
' ?$ w L& H A1 s+ @/ H2循环语句
# Y S5 h6 T+ X) E! ?8 d5 `- P0 J7 h (1) from <statement sequence1>0 {, p- S! ?& C
until <condition> loop
* Z9 U0 X- t! S% K- a3 }3 a# I <statement sequence2>;. P0 l+ i4 k1 a0 B
end;) c7 Y! {" o6 k3 k
(2) while <condition> loop
% {% r) `4 S* S9 S <statement sequence1>;- \+ X( ^" g2 f% p% T" f* i
end;9 J( n: W7 n9 W& A/ U8 O7 q
(3) repeat
! t1 A& \2 D/ g7 h1 p5 q <statement sequence1>;1 J! }* G/ J: l6 k% P# t
until <condition>;; y+ w$ x( ]. I4 J4 G; b
(4) for <condition> to <condition> loop
2 S: b; x, U1 B: z$ P9 @0 v' n/ d <statement sequence1>;5 A, _6 A. X9 B: J: }
next;
w% m- l1 W7 K4 W) V/ Q3中断语句
, S: _; _& g. _5 u) ^ waituntil <condition> prio <integer expression>;
5 r0 z( C; Q- U" x+ A2 f: }4 ^% s% b, c2 D i( G
$ M: _: U% b* x! m
以上为常用的函数！: E7 T5 y4 I# S- m
还有很多，如有需要我把资料发到你邮箱里 6 N+ o+ h; i. a
) p1 P- b2 X9 u% V) R6 B) N1 d- Y
7 J+ o; k7 A! O$ {. v7 A) Q5 \: e' v' ^# L: q5 {
5 g6 j/ P) h3 b; J) m3 I
3 I5 ]! Q2 V& y
; R& G4 E' U1 j9 W P% Y9 @
" g& B6 A3 n9 P# {+ ~6 \* j/ m @3 S3 }7 {( `
" u v$ [. T: X6 y4 T! k U% d: N
7 C2 S a( p5 }0 L; ]6 B2 h" ^
|
|
[复制链接]
