|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
. k4 \3 G6 Y. V9 J" a2 k8 Z1 U if <condition> then
( t" h6 `; B3 H' r- Q3 l" F <statement sequence1>;
% v& E5 G( f; u0 G7 }' F2 F elseif <condition> then. a+ `! J- X1 I0 A1 e
<statement sequence2>;
' @% N& C; b6 h: J0 V else
3 N" A6 w; ]- f- G, _! L Q# K& w <statement sequence3>;2 C& {4 e3 V' `6 t1 j: N
end;1 C4 D6 ~6 m7 e A: R
如果分支比较多，用：2 Y X; G. O$ c, J4 N
inspect <expression># q6 c! P, h" d% S- {' { m6 {
when <constant_list> then$ O; c9 S8 s) H: C7 f9 {
<statement sequence1>;
) D9 H+ q' G9 ~* ^% R* P Y when <constant_list> then
7 B1 Z! p+ T% e { <statement sequence2>;
9 w0 X: i( U' D ...+ R/ Q0 y3 s: [5 ?& R
else
* y4 \8 p% n" k! r& ?4 `: P <statement sequence3>;
; J* Q- I( i7 o6 ~1 Z8 \2 t1 f+ eend;
% ?3 ?8 Q; d% |, D' ] K* k8 T+ K& R4 z4 b) ^* ?4 u
2循环语句$ j* J/ C2 e- T. k6 c8 O& X- S
(1) from <statement sequence1>, W0 o1 n" A- Z9 t0 o9 e
until <condition> loop
v) `; j0 ?1 B- X6 ] <statement sequence2>;7 p5 O1 F" O/ H# J( [! |
end;1 i1 [3 N/ ?9 ?: V( t( b
(2) while <condition> loop
% E6 t" Q6 P3 w3 s+ |% Y <statement sequence1>;: g0 o2 [8 g7 t$ U+ X3 w8 u
end;& T" B& W T. }% j' g
(3) repeat ) U. j% m2 [; U' a
<statement sequence1>;
, u! Q- f+ S( K0 E, w- \ until <condition>;
; P, ^; S% j% L- Y; j% c( i (4) for <condition> to <condition> loop
+ R8 g# b0 q: ~8 c5 }& f1 [6 Q <statement sequence1>;3 l* Q/ u' @1 _! u
next;
3 t- Y4 T0 {8 K* W2 V' i3中断语句
/ Q7 e) Y+ \- i2 \2 E0 @ E) i4 | waituntil <condition> prio <integer expression>;. V' K. x% b$ T f) N5 p' ]& q
' I/ h9 s, R2 C. {! p3 {: b. d
6 o( g/ E Y n1 \
以上为常用的函数！
8 F* P: C0 F" d! W5 V还有很多，如有需要我把资料发到你邮箱里
* z) u) D( n+ l
: d# N) D- R+ D) m5 h) G/ {1 O/ F% i/ }) Z" i: |' S) k, d
* G8 s3 v3 k# o0 G
M: v m4 v4 A/ Y8 [: _
) n7 S1 `2 L- Q% r
; g: p8 F, f- g: e" x, j" Q9 K( |0 }# { N1 D x6 x; l
* m! f# O3 d, {* l- L. I4 d: @
$ T: l. o, x" o( R% R ' X1 z6 q" ^( u
|
|
[复制链接]
