|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
7 j% |5 t- k6 K if <condition> then
8 t$ s; `9 }% }" J, _ <statement sequence1>;
1 N6 p B/ I3 \# }5 b+ l! H h- z elseif <condition> then
. _( M9 U" n. l# c3 t R+ \ <statement sequence2>;! X/ b0 Y8 v' A( x. |- Y
else
/ s$ S7 y5 L' M& P. D* J <statement sequence3>;
' X& {1 h$ n* j! ?& ^ end;0 p7 a: R/ |, u/ n: m
如果分支比较多，用：9 V3 m' x1 c1 Z3 E% O8 ]- \1 P: H
inspect <expression>" Y7 h7 p0 i/ o# s
when <constant_list> then
0 J, W4 S: E& l, \ z; @( \, { <statement sequence1>;' `. i$ N7 c4 N' |; e8 d
when <constant_list> then
8 j3 o2 I6 s5 o2 {$ J9 q# n% `- I+ A <statement sequence2>;0 p5 ^4 w# B# o
...
& r1 h- L) X/ B' }/ @ else: x1 n l2 X# p" h
<statement sequence3>;
8 ?& x1 ?2 g& W* e7 rend;
% C5 P+ }9 G3 A }0 \; e7 Y- Y+ ]8 m j6 [1 p9 Y1 W+ x
2循环语句
4 G" Y+ ]9 Z4 C (1) from <statement sequence1>
# R+ a) _& I+ @6 c2 J) M until <condition> loop% j* x! F6 Z' [5 u
<statement sequence2>;
$ P$ |# H- T2 }; ]- E4 J! T- M0 D end;
+ q5 _8 p2 f( ?7 ~0 [0 y7 I (2) while <condition> loop0 r" `! L1 j$ g* L
<statement sequence1>;
% x% x7 a# O: R/ d4 `- f9 O% I' @3 e end;2 s# X! f6 u1 \+ J" d6 K* [' p
(3) repeat
+ I7 V \8 `$ @ <statement sequence1>;
0 T1 z6 n! }6 ^) r( j until <condition>;
0 [) {; O/ [/ q (4) for <condition> to <condition> loop
* Z' O( v+ Z3 C* B# P3 G' D1 F4 n" ] <statement sequence1>;3 u3 \" I! u/ x8 t& u$ B9 k2 g
next;9 [* |1 r0 R. U+ O6 ~( a2 G
3中断语句
2 c! y$ O- {( f* a; q$ ]1 B4 \: v waituntil <condition> prio <integer expression>;+ g: [/ H) h' p( G1 O
# C' f) Y/ b1 A* f1 q; N& q' s
: R4 P/ w7 G4 L6 p! G6 q4 L) p以上为常用的函数！
: Y/ u# a+ n0 M8 p还有很多，如有需要我把资料发到你邮箱里 " S9 e. A/ K3 ?8 T `: \
, B4 |3 l' c5 V G8 Q# g& ~
, d, z0 u7 I; i p1 I& |' ^/ x. F5 j Q5 ? X
, W- y6 b, a3 q/ Y: J1 T! G/ f$ N8 U w+ a6 V i( c
5 Z% ?! J! b& B8 \% O
& i0 E! q& Q" F5 Y9 G6 w
# Z7 v8 F h3 z/ x) Q+ \. p
@) b+ O$ Q' l* t3 _* t
6 _9 |4 K8 S4 u8 V2 L+ \' d |
|
[复制链接]
