|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句8 j' }! l$ l& w$ R- ~
if <condition> then
) P% |8 k1 {) O <statement sequence1>;. c5 K, I' y) G* Q
elseif <condition> then
, v, \/ w- O$ P" {. y% |. z <statement sequence2>;
0 `) l9 E" H/ |+ B& R else
( k& C0 w6 P+ z% }0 ? <statement sequence3>;
4 U" P% u6 j9 {( H+ o) I% K# {9 j end;
, g4 ?5 z2 R/ C( M0 x @' d; t如果分支比较多，用：# u# ]) [5 ?2 |9 w9 s
inspect <expression>3 [" \+ R. n! v. ~* \# w2 Z
when <constant_list> then1 \* k. \7 C- o N$ J" x
<statement sequence1>;
9 `7 j. d5 h8 L+ f8 B o when <constant_list> then W% W4 T$ Q+ k- I+ O w
<statement sequence2>;
* O9 Y k9 g6 j, x- R ...
7 T i2 q& Y4 T7 d1 ] else) z# t4 B" C7 Q# G( r
<statement sequence3>;
8 D) A& x% l1 L1 f1 Eend;
. B( \8 E9 I. Q* O0 b4 X9 g3 u
+ a/ n b3 R& G5 C0 _( R& S2循环语句
3 k6 A* L" D# U0 k7 n* V, ~+ k% U (1) from <statement sequence1>5 Z9 Y& o7 Y6 w S9 m. x1 Y
until <condition> loop
# P0 B% V' O2 ^/ a3 u9 L5 O2 W" a% X* ^ <statement sequence2>;
) M% a ]$ G3 W$ z end;
0 g% A$ f7 ]3 c1 O1 Y, y (2) while <condition> loop4 C0 R0 A: f( }+ t0 ?, h6 ?# b; a
<statement sequence1>;$ `! m+ }9 z* Y& p9 f4 T' y& S
end;8 s& z$ _1 t- c4 ^1 k
(3) repeat
! c2 ~6 w$ U/ k <statement sequence1>;
# ~) n5 t+ ~4 ] until <condition>;
6 l7 R' g5 l/ n- u$ C1 G; E (4) for <condition> to <condition> loop
" b1 C2 X1 N, p1 O+ W <statement sequence1>;
4 i2 _ |4 `1 L+ j next;$ [" f7 M+ m. |) b1 ]$ I) m+ e
3中断语句
" s+ C( ? y" _% n. Z% s" C9 D# u waituntil <condition> prio <integer expression>;; N7 c8 E" w% z
. \- k! { I0 \3 g, Q- _" g$ \ ]6 E3 o6 A- l+ S
以上为常用的函数！
% u8 e! g- @" u( B/ b* @1 N还有很多，如有需要我把资料发到你邮箱里 6 i" e8 o; V3 [: h0 q9 w
' u' k! `+ [) Y6 }; A- ^; ?' }! e, x$ b* s
5 k2 E; v2 G% j- M
; L& ^" R) p2 v- Z8 [( r
6 f h' G% N; {
5 d. B, P6 c; F4 o7 \4 @1 d1 R% n- T( H
2 U+ Q' t2 b: B: v9 F; y% `; m4 U
# X+ u/ j5 ?5 J+ ? : S8 h! N8 U% Z2 n" v
|
|
[复制链接]
