|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
4 H9 U* z2 Y+ Y/ i; E. H- S. @ if <condition> then/ ^" I5 X3 N% _8 C7 f) f. {
<statement sequence1>;) i4 C% {$ k& C' B+ P T! X
elseif <condition> then! Q: k% d* I; v. l' \3 t# I# ?3 J" D
<statement sequence2>;
' T/ @+ D+ Z$ R# N- r else
" D& q+ e/ M' l7 [ <statement sequence3>;
. q5 I8 `; C$ K5 i, P: f+ I* D end;1 K, O C% O* x
如果分支比较多,用:' ]" q' j0 U- T, b) u" }
inspect <expression>
, ?4 \% S5 J% I- o when <constant_list> then
5 w6 h& J& V# T3 Z# _ <statement sequence1>;
* p2 P. J7 \7 j) e0 u) m; W when <constant_list> then
- a2 k+ X7 `' ^8 d1 _ <statement sequence2>;
$ S* h7 x M% f; Z ...
+ q" ]( m+ R0 q else
7 x( C2 L9 b$ |: Y4 k <statement sequence3>;9 t% Q* K% Q/ ]8 h
end;% C1 n: k/ D m6 q
- @3 D9 x' R6 ?' Y2循环语句
; |" R+ m& [7 Y/ d# Z (1) from <statement sequence1>
2 _/ n I, _4 ?" b until <condition> loop
* I& Q1 R2 X3 m- Q4 z <statement sequence2>;5 @- ~6 M# z/ _! d7 T, c! c
end;' D! k# r& a# m. a9 e
(2) while <condition> loop4 ]4 [/ t+ R* @2 u" y% Z
<statement sequence1>;
9 N& c9 H1 j+ ~: n end;2 z# x! z% I( l) s( m2 s
(3) repeat
. j1 ]& D c* }/ }' [. P <statement sequence1>;
& |+ ]' B( \7 D' `4 o7 S, e2 I$ [ until <condition>;
+ }3 _6 i% v- K- R (4) for <condition> to <condition> loop
0 m; B. z+ e- S" q2 E6 a" |4 f% q <statement sequence1>;
/ n$ h$ }0 B3 E2 B next;
0 F1 i$ D' x9 Z" [) b* p6 ]3中断语句5 C3 b8 K6 t' @ y
waituntil <condition> prio <integer expression>;
% \3 I1 o0 a, e6 r: F% x
! m, b8 d# ^0 b7 m2 K1 C$ a2 o% T1 `& W' Z3 E9 x% y3 W
以上为常用的函数!- y' ^/ }" K- `5 a
还有很多,如有需要我把资料发到你邮箱里 d9 j- E# r7 z& A; N+ d1 b8 ]6 O
- C; F' |8 c. D4 _: x$ t) G$ Y$ ~. y# _% \% w6 K5 L
3 w; {- R" |6 g 9 I" `7 d B4 x
. r8 I: R+ z+ T7 \5 y9 D. _, Z- @/ R" \$ ]
+ K7 @$ j0 Q% b, Q( O
/ G( w+ f1 g- H2 K3 D! [% j, ~; |9 J" |, r& J
' Q2 i3 I3 M+ V5 g3 @0 L
|
|