|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
1 a7 X/ z* ~$ d- F8 L/ t! ]' W if <condition> then
% V0 V/ L+ m; A% K) B" v n6 E+ J <statement sequence1>;
1 }; ~- R5 P; n) \ elseif <condition> then' C. D+ D% i% M' u' ^
<statement sequence2>;( }% v* |( q v$ z R; h
else 3 g5 I( @, W8 Y/ a! d4 _
<statement sequence3>;# U$ F3 M- Z( v4 P/ k" U" V/ I6 C
end;
" z0 L1 \/ s8 V; ?0 q% U& N& j; j如果分支比较多，用：2 l1 B" K: }% g: S6 t
inspect <expression>
0 g1 G# I0 j1 u- H when <constant_list> then7 U4 }/ w7 W1 j7 h
<statement sequence1>;
$ B1 m# z f' z5 B _ when <constant_list> then& g& O. ^. t: @* \' ~. [% m0 u
<statement sequence2>;
$ A" X/ V! V) O/ Q* w ...5 }4 c e1 p) e+ h& L. ~
else
; v2 }3 ~" f M <statement sequence3>;
- a0 q2 ~2 d0 P+ wend; v7 c. C% U+ V+ B( x. W/ J) M
$ N. f; P% a* d/ m! A
2循环语句! G1 e j3 [, o* M
(1) from <statement sequence1>5 }! J" o8 K% I$ L
until <condition> loop
' h! \1 x/ V( H& D <statement sequence2>;3 E0 m ]& V+ W9 V9 ?8 N, U3 `
end;! m, u0 R( [: P! H# F/ z! D
(2) while <condition> loop# X( V% V' y9 r# q6 v% d
<statement sequence1>;
3 Z$ V, b: n6 J; R; n end;
5 [0 a/ O! s/ W (3) repeat p# m# o9 Y( R' ^8 V9 }& k' _4 J
<statement sequence1>;( ^* D$ b! \) R
until <condition>;
5 K& T: r- b3 G4 a/ D- U (4) for <condition> to <condition> loop) H1 s2 O' O! f# U9 x% a- S
<statement sequence1>;, Z( E# z" W' Y8 p' c& M, @' N
next;% B8 b0 K8 a8 |3 l4 |
3中断语句
1 ]* W5 J2 Q. U7 {* \7 y8 G/ {( K waituntil <condition> prio <integer expression>;
/ u, m1 v: G9 q' }2 `2 T' ]$ Q7 s
6 O# r+ H3 ]$ w% U6 [ n' ~9 T. o% l' G. g) r7 U3 [, `
以上为常用的函数！" e8 C8 X& ?& m- |2 @1 i3 S
还有很多，如有需要我把资料发到你邮箱里 - T1 p0 G# B3 }- x' R/ F+ P2 @
T3 w1 z. M' ]' S) x p
( F$ {! v% T7 s/ ~% S# z4 }/ _7 r7 G' @5 v; Q" w+ V
( t' r- T# P* A
! v6 r, G9 O+ l4 B: ?5 i
2 \* V4 u& y4 h+ |& f; I: |; E) ^: j \$ i: G+ y) ~$ i
2 X0 i8 t" I) S+ m4 Q' b
8 C- @. G2 P# S
2 S8 N# [! r4 h( o, ?
|
|
[复制链接]
