|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
v3 H8 I4 Z" O& H- F if <condition> then
/ `; L# U0 B5 d% K6 y" t; ` <statement sequence1>;, Z( k; A; f5 j# T; T+ w5 e
elseif <condition> then% q, F1 h2 C: z; ?3 M* g. i
<statement sequence2>;( n0 ^) m$ ^$ {/ U$ K
else # c6 H$ H/ j8 v! l8 ~' |2 {! D
<statement sequence3>;& j* j$ ]6 \4 G$ `. v
end;/ ^/ h% w' K6 u' G8 Y( Z7 r$ A
如果分支比较多，用：2 O0 M# Z5 j, v$ ?0 }
inspect <expression>
6 f4 G T- a5 }# ?: w2 _4 Z/ o when <constant_list> then
; ]+ A* u3 t# I$ n- h <statement sequence1>;- D x6 s( n! n0 n, E; D
when <constant_list> then
: Y& c8 H, o* c ]$ T) W8 l <statement sequence2>;7 t* J5 c' C8 H1 t
...
" d* U' k' ?3 a else! Q$ a' h) G9 Z3 p; A
<statement sequence3>;
9 h" l- [1 Z R2 |2 d8 fend;" W8 V- |9 o8 _
3 w( J6 t+ ~3 L j0 w5 _2循环语句
) l. ?% e/ A( q4 }+ J5 G8 X/ k (1) from <statement sequence1>
: o" ~6 w9 P Y3 P until <condition> loop
5 j, J3 J( }/ Y$ k; ?7 F3 d <statement sequence2>;
, l. U0 c+ E7 o+ o$ v end;5 n9 }+ ]+ \( A
(2) while <condition> loop$ q" Z2 D+ k' I% a8 A2 S R
<statement sequence1>;8 o7 p3 Y2 Y) ]) e
end;; H# ]4 Q, o. ^
(3) repeat
p5 J* k% L; a4 A0 @! M) a <statement sequence1>;/ S( x% Z2 Y1 G( @
until <condition>;1 E: E0 l+ V6 [" u
(4) for <condition> to <condition> loop$ y! k# \ s7 `1 k: U1 U( B- H& n0 p
<statement sequence1>;: }% X, C' F! Y {# N
next;
% E0 q9 ?. ^0 v# c3中断语句) j1 W: [) S6 B4 m; `6 h1 r( z
waituntil <condition> prio <integer expression>;
( Y f# R3 o, z0 F+ l ^$ u1 j+ s, p @0 Z6 T9 j' [9 c
) W8 ^6 v$ |6 d- Z( Q: c6 y9 |8 Q, W
以上为常用的函数！
4 {/ q. V, w6 l* M& s% ~还有很多，如有需要我把资料发到你邮箱里
" I7 m5 T) D. Z# U5 c
|" P6 {/ J8 A7 p4 M" @8 R' l6 V% E- ^. @4 @; Q% p, c7 N
. s* C1 l7 V" q. w0 Q% S! Q: `' H0 u
/ o7 h1 z1 B+ P& V) ^1 l- r9 ?
4 v5 n( _+ C4 n( x- j! O4 b
6 n# @5 F' k8 y! l# X4 w& A$ z! C7 o% t8 c5 E' [. }" K4 d! B+ K* O
+ F: l! Q; K. G# s" t6 H* v k
4 c* O7 b/ A& H! s
) Z) T1 C6 j, `
|
|
[复制链接]
