|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
- @: U1 X; O3 @- k! { T5 @ if <condition> then
" f/ @ P5 U1 K5 H* J <statement sequence1>;9 J5 X; W* y: V+ T! t9 n$ p. U
elseif <condition> then7 V* z9 ^9 M/ v
<statement sequence2>; R' g. s0 u+ D3 [
else
' @7 X# g) D+ {0 x; V <statement sequence3>;
7 {, M! q3 Q6 F end;$ A4 z, }& |7 ~& v# Q; _& O! z
如果分支比较多，用：0 z- m; F) k e/ t e2 C! i
inspect <expression>
6 O3 K S6 ]; U when <constant_list> then/ e0 Z" ` Q3 y0 F- S
<statement sequence1>;5 Z+ N' Z6 {8 s$ \4 M: V, L$ e
when <constant_list> then
" M$ O- B/ {1 i# l; e& a <statement sequence2>;
, f" A5 X2 W" I) L ...6 f% J8 W( \) j' ?6 k' U
else% X+ V, r- a( f6 [+ l$ q M" o
<statement sequence3>;7 S% c3 E; z9 B/ e4 u
end;
6 S. W, H5 ]* n, t1 J2 U' q" n' @1 I0 z0 F. D1 L7 x
2循环语句* r8 _# n3 j/ t% [7 n
(1) from <statement sequence1>% y7 S: f p+ H% a5 Y' [
until <condition> loop4 j+ W9 x2 Y# K7 E K- J4 N
<statement sequence2>;6 X8 R2 Z0 |$ O7 l W. a
end;) N4 P3 Y/ t: x4 U7 ^, d
(2) while <condition> loop; Z: _+ Q: E- a X: S
<statement sequence1>;8 k% @+ U3 Y: ~$ d: g0 L' d
end;
$ Q U" o I2 T+ ?8 l% Z5 v (3) repeat
) \; R J# [8 N+ n( X2 G" g <statement sequence1>;$ k8 {8 D4 w5 P& y: p6 { L" a" }
until <condition>; k- U+ y! g& i. k$ c) f
(4) for <condition> to <condition> loop5 d4 S2 {( m, L% W, J3 L
<statement sequence1>;* R/ Y4 E( m& d3 S, X0 Y4 f
next;$ q* Z& Y T5 t" q2 A2 A
3中断语句/ j* O) L) N: K+ H( B. G K8 O" q
waituntil <condition> prio <integer expression>;
. K5 G# `4 z+ i1 K
1 h. c$ E( Z; Z' t5 n0 I( h% M6 o _% k! k+ x- x/ m- j* J
以上为常用的函数！
' z; m$ j% k4 r: ^# q还有很多，如有需要我把资料发到你邮箱里 2 M! Z. j" M. r7 J1 H
. i4 c- R0 ?, J8 I
5 C, j' _1 l4 f
2 I% `, }+ u+ u/ P# j' [
- R. x! y" f% W% L' R7 f" m4 E% P
5 Q/ [9 Z% g; {5 ?, i! f. a. [ N* n' j; D! f' l) X
7 l+ h; \0 }, F4 r
! U; E) _! g2 P" H/ F% ^% H
0 `* P/ d! o# m, r W9 ? / T+ i. c% K4 b8 y" N6 @* V
|
|
[复制链接]
