|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
: l/ m2 U: z( L: w1 w9 g- i if <condition> then& U" p+ T! V8 j, v, z
<statement sequence1>;/ j. X, o4 S- l; L% X$ {. U
elseif <condition> then
) x: v1 p- e, c! w" C- N <statement sequence2>;
) F3 d' e1 q- O2 i3 \ else
$ A/ Y4 S6 W2 T2 C9 } C6 R; h <statement sequence3>;
" g5 m% M" O) \' I end;# Y" M9 Y3 i- b* C# D0 \9 j
如果分支比较多，用：' W/ }( M* S* l
inspect <expression>
" d+ e7 N9 G9 u p' |. g8 \7 c- i4 U+ w* B when <constant_list> then# `2 K1 i" A9 s/ F! @- U1 M) z
<statement sequence1>;
+ U6 \1 e1 y. D1 V1 m1 s when <constant_list> then% x+ P- f9 ^( @, B4 f
<statement sequence2>;/ H* S3 i1 r+ \: P; N) C
...
U% `! w# O6 F else$ t& U- e! t6 @1 f$ R8 c
<statement sequence3>;
5 W. ?, t! e3 L7 W {1 C, eend;
& k8 O0 P: y: }& G% b! i" G- C( X# a7 B+ C5 H
2循环语句
7 Y, V9 l9 b8 s# X7 W9 R (1) from <statement sequence1>
# V; B6 U6 h7 i until <condition> loop
6 s2 g' z$ d2 {0 p. w <statement sequence2>;
9 y6 w# _" L" ? end; n: A- v2 O# v! I7 F7 a
(2) while <condition> loop
" q% N! ?1 d! o3 h <statement sequence1>;! |8 M; o7 a6 P1 v: P- V* V
end;
3 ?: A! I5 i# w! {* M& k; Y) t (3) repeat
* m2 U$ p4 M# u% p! ~- q* d" U <statement sequence1>;8 l% \7 a' z; L- x
until <condition>;" B% p e) B, l; ^' y9 T
(4) for <condition> to <condition> loop
7 [: D7 L P1 `+ k6 L v <statement sequence1>;
/ [( A0 S6 K0 Y* B& Q next;0 s0 G) S/ y* S
3中断语句/ a7 W- s# u3 ]* c" v
waituntil <condition> prio <integer expression>;- l$ a/ _0 m4 Z4 a" S9 D* k( t6 Y) ^
: s4 z2 Z8 u9 G$ W1 G3 k. V1 t' w! W
以上为常用的函数！
0 ~6 J* F8 l0 u% n& U还有很多，如有需要我把资料发到你邮箱里
( S, [/ v6 y9 Y9 N' B. r# \5 b0 ~$ ]) e+ B2 H6 x/ M
4 t' D$ P9 G0 B8 Y" D/ [5 V# X# g0 R, w; ~, m3 W# y* f
0 g6 u* [ x7 a. z$ a- ^) q" Z7 V9 |) z. c0 c# ^ O, [' o
& f, l1 f' K. p2 V* y
9 m4 t' D6 `$ p& C9 t
% `+ }5 v5 {! n) O
, y$ F( R* j. b % h& u) ]1 Y+ G8 o: h
|
|
[复制链接]
