|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句0 V. R! M! T4 a3 Q4 M
if <condition> then7 W0 M' }$ `' S, ~( F" K# H; s
<statement sequence1>;
$ y8 B' B& G4 o6 V elseif <condition> then5 L5 j: b! B+ l g6 Q3 I% F( q
<statement sequence2>;3 i$ A N; b/ x
else ( G7 E* s* _1 ]( P- o) E& d
<statement sequence3>;5 b( R" M8 V* v1 W# A. v; o/ g
end;
, Y+ h# [- g! M# i+ x, n如果分支比较多，用：4 P5 \2 J; g3 L9 `, E9 y
inspect <expression>
/ D' {4 S7 r' w3 d when <constant_list> then
8 ?9 f. I+ R' m; f0 c( ~: r <statement sequence1>; Q1 D7 u2 q5 D0 q5 }9 d
when <constant_list> then
% @: ^ ?. j/ ^5 A, K <statement sequence2>;. ^+ v- E. c% R! A
.... A7 R! b. O6 n0 z; T1 I
else
% U/ A' z6 w/ F" ~8 Z6 M j <statement sequence3>;
% e; I* z9 V% T; G) }5 R, \: Hend;
2 S; ]4 w1 S9 k1 u) _( E% `
; k1 t1 @$ t" |8 ~+ [: Z( U2循环语句4 e8 t4 s) @5 K4 p
(1) from <statement sequence1>
; A) N# n! g7 L9 ]& D7 M, B until <condition> loop0 l7 S r; H4 d: b" M2 O
<statement sequence2>;
9 H, [3 ]: e7 Q. u end;
h( v4 J( ~- u c/ } (2) while <condition> loop
h2 P+ q' Y s3 c' L7 x <statement sequence1>;
* Q0 c! ]$ Y" G% b" Q8 C end;
! s+ y c# i$ Q1 [- k! w0 i (3) repeat }; Y# d1 H1 }2 M6 f4 f, h
<statement sequence1>;
6 k$ c/ u7 ]/ k until <condition>;
4 Q* w. W2 d/ X7 ~8 y (4) for <condition> to <condition> loop8 Q2 v1 n2 n/ }# | o0 Y7 W* R
<statement sequence1>;
! R: @1 V6 u* k8 r next;
5 }. ]) c& ?2 C5 [2 a$ c2 y! Q3中断语句
! r3 A3 D2 w' d& G n waituntil <condition> prio <integer expression>;% h0 w0 l" {6 y. P
n3 n. P! a; W4 n P
7 I9 f( W/ k p* ]% v7 c以上为常用的函数！; A2 S2 ?- E0 R0 o+ V4 B
还有很多，如有需要我把资料发到你邮箱里 j( I# T; {" G- M
) J0 e* W/ a! u3 `! O6 J j r0 B4 u0 Y. o
, |3 a! @. a2 g9 w1 ? g
8 D. q( _6 _7 h7 g1 J M
0 P4 X: |" M' C8 z! W
- I" ?8 h: O( i4 G
r6 ]1 U8 I& q7 {
' r+ f# d2 B; p+ A* g0 R0 @' r( P' v, R9 w
/ O" J. N6 D7 K |
|
[复制链接]
