|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
( `0 w" V8 `1 N! K. Q! V1 _ if <condition> then
! f+ r) c# W. J: J0 G7 T <statement sequence1>;( F W6 @# K( `. Q) t
elseif <condition> then
% A! l* b& X- u: n7 z <statement sequence2>;
/ s* ^ b5 H8 N1 M; ? else 2 q2 [ D, b c8 Q
<statement sequence3>;
8 ?8 y1 b7 G8 S3 ?: \% D( r" z8 n end;8 f! _) H4 {# W; p: H
如果分支比较多，用：1 r7 _+ k0 q! B" I+ n% c
inspect <expression>; p, w! g* K( E: J0 A) ]) \* v
when <constant_list> then3 z$ k9 F" _( e: z4 O4 q2 `5 n
<statement sequence1>;
6 g; y! X# I8 p* } L when <constant_list> then8 h& j) {& m A' ~1 R
<statement sequence2>;. t% p( K3 S1 t" o( W- ~
...
# s8 _6 z4 w! |1 T& M else) T, X/ O$ b A
<statement sequence3>;
" F B6 U, r; g3 J! x8 rend;
+ Y# Y$ Z- U( ]( v( t+ S5 g$ j+ Z
! @: B' o* j* u* ~1 u2循环语句: `4 e h, \; p% w
(1) from <statement sequence1>
3 Z4 l2 i( T# l, O until <condition> loop
# E" B. ?. e! d <statement sequence2>;
1 g2 i+ [# ]1 l- s( a end;# M" G" J9 I) f5 J; D) j
(2) while <condition> loop
4 o+ D! B$ l& ^ <statement sequence1>;
, e4 P. N- @9 k/ ]( y2 ]) q end;/ P/ z5 Y7 V5 p O2 b
(3) repeat 2 n: h) H: m# ?2 c# H
<statement sequence1>;9 u& O/ T4 e3 h; {
until <condition>;
: @* i# \1 Z9 E: ^0 s7 |- {* r (4) for <condition> to <condition> loop
$ u1 A" K6 o2 L% E( x( n <statement sequence1>;% E U+ A0 _; P) o* m. u
next;: s- O9 c' ?% H$ i
3中断语句# a/ ]7 ^% o6 P4 g
waituntil <condition> prio <integer expression>;* y* t( [1 O, A8 N
, [# B: K: U' J) Q$ w1 t& }0 a' q' {4 _
5 [. X' y9 t& e- X% B- Z以上为常用的函数！1 y6 p) a6 y# P- q4 d
还有很多，如有需要我把资料发到你邮箱里
8 K% A- |) X: {8 l
( ?1 W: O6 J# O# d* y7 x: R/ V- G- d' T% W; b4 r
$ C/ Z$ w$ u& Q1 I" e5 O( f
' F( e- h3 L" x6 J% h( G5 I7 y
- f S( C$ q5 {# l, p/ u
$ X, ^1 T" R& G' z- v/ r7 ~# m9 H2 g% e5 A6 I: I! _
9 M& T* S, f) O' N4 d3 N
0 U. l3 X3 C1 V7 e7 f& H, B E9 u# j9 D0 K. {) P T
|
|
[复制链接]
