|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
* g- |( V, Y3 f, j if <condition> then
3 d3 R6 r* i! o3 Z5 h <statement sequence1>;
0 @. G- |! K0 ^0 N6 T0 ~ elseif <condition> then, \2 G6 V6 ?, G/ l6 x1 }: N
<statement sequence2>;
2 u$ V1 I3 j; Q8 x. L else
( ^, J Y. u# L4 C0 O4 }! a( L <statement sequence3>;) Q! _' o; Q1 }& Z, f6 u
end;# }0 z) ]: F+ }1 E; }
如果分支比较多，用：9 ~3 G6 Q E7 X
inspect <expression>5 n" @# B% e' ?, h3 [8 H
when <constant_list> then
; s( v3 h5 ?; O <statement sequence1>;
+ |& \, f1 L* Y& r8 `8 l when <constant_list> then
9 d# }# P0 ^5 K, C0 T <statement sequence2>;4 P. Y: T; s5 [2 ~8 i) d+ y
...
7 p% _4 v' j) J' L else
4 F2 G" {" W# b <statement sequence3>;
* n* P0 J- i: j' n2 Q Gend; n ` V* E9 P0 r
9 l; d" @6 |% d. D" \3 M* ~3 R2循环语句5 c' ~ Q* s2 P1 }% k! i' }) R
(1) from <statement sequence1>: J+ i1 F# H7 ?3 g! n3 C) H2 g
until <condition> loop
1 j- L0 I6 e% M! P. ]( f; x <statement sequence2>;
) L: R4 @/ p j! g+ A, t$ B0 ^ end;) Z# |% o7 E! b/ l: G0 ]
(2) while <condition> loop
% y5 } t" j. C2 K <statement sequence1>;! g/ i) U S. @2 _- d4 Z, Y: ^
end;
3 H2 l! p x: u+ g (3) repeat ; b9 M! Z @/ U' [7 u
<statement sequence1>;
. h) z3 T$ }& J. R6 y: @ until <condition>;
- r/ R/ K" D, a. m$ d$ O (4) for <condition> to <condition> loop
c3 h$ Z* C' \% e9 D& Y- \ <statement sequence1>;
" @ l6 J6 P& w) R+ D, ~ next;* _! c* |- }( ^8 W& D! |! A
3中断语句, X# X8 i# F8 r( ?' f, P' J! D( t
waituntil <condition> prio <integer expression>;
_( M! V1 D! ]
; J- w6 Z$ y4 D: A# ~% L1 g$ |+ S0 j
以上为常用的函数！9 i4 f2 d' M$ {( s
还有很多，如有需要我把资料发到你邮箱里 ( s. Y% `% U4 W. S) M5 b
0 b" y/ O+ p3 X
7 h8 U9 i& [( @# i/ L" [- V: M
( W0 E, x- C# Q- [. A$ l 5 A n6 V/ S: d% o4 |
M) K" g9 j2 \* p
% j" x6 m( H% O7 F2 o
# K" V+ T; F7 D! `
0 d4 M+ [0 Q5 D( m5 Q4 i$ L3 ]6 {
& U( z: Y! Y: c! n; B% B , v2 K1 L, }# x
|
|
[复制链接]
