|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句7 |6 \* A F; y5 @
if <condition> then4 {$ U. e: E/ S6 ]: X0 a
<statement sequence1>;
6 X5 g9 E* A% ^8 a( z! y$ \- L4 I+ _ elseif <condition> then
9 b6 |5 N7 T# S <statement sequence2>;' k: v/ `% o4 W6 _) X
else 6 e+ N }# o$ B
<statement sequence3>;
' Z) k1 K( y8 V# M Y end;
k! o7 i6 o& F! B; @如果分支比较多，用：
; u; l- V" S5 W4 S/ P8 C9 z7 _ inspect <expression>
% }! e6 ?$ l% m. ^, P8 G$ ^ when <constant_list> then. R" k( |/ d8 i. {1 T( u/ [$ P0 \
<statement sequence1>;% x& J d/ ]$ D% b
when <constant_list> then) ~) }$ L: n% o9 b7 l2 s9 d- I4 @
<statement sequence2>;" p; |$ {& v1 ]6 {# g; ]2 D
...% Q m8 y1 ?9 o: ^8 F' w% a# o
else9 G2 S3 c- L) H' R, X
<statement sequence3>;6 W' s& ]* |. ]
end;/ q& Q* v" }1 v6 b
: T, X' U8 \0 V# [2循环语句
! J+ R$ k8 O k0 {. l (1) from <statement sequence1>
# i l. s- u* k# ] until <condition> loop
% r) k1 P# D+ x- p$ ?! ^8 }* K <statement sequence2>;3 Y9 X; t6 l% J
end;
+ X2 X8 V* v1 X6 Z v) P (2) while <condition> loop
3 W0 D3 _1 C! T. M! f! m9 f2 J" T <statement sequence1>;' `$ p! t& Z6 N5 w$ N
end;; E) @2 u0 G% |$ Z) p( d' N4 s
(3) repeat $ Q+ G" ~* A# H. a. c- n F) N
<statement sequence1>;
7 B! h1 S3 |) j4 {: _ until <condition>;
1 i' H0 K8 ]; P K+ t6 O (4) for <condition> to <condition> loop
/ ~+ K. q& K+ p: q3 t& m6 [2 a <statement sequence1>;
6 x' @0 a I" }# W next;8 p4 \9 M4 I( f$ O+ O7 T T% e# X
3中断语句% b8 P% [7 _* S+ y# B% j4 T* `# u' Q% g. q
waituntil <condition> prio <integer expression>;
" a5 h) D; N' p( }' b- W" y( ~9 n j" `" ^* o9 l, p0 v
$ y+ q$ f+ E) U
以上为常用的函数！
3 _7 v* @, U2 K) ^# n3 i7 @还有很多，如有需要我把资料发到你邮箱里
. U: [$ v8 }+ O# f! J h$ z+ c$ n9 J) i
) R. ?5 W( Q/ N& X1 ~. p2 Z9 A5 s
* ]( s& p8 w b1 h% N
) }; z- \6 x# W5 L+ f
; E; X% Y8 @6 y p
7 f: b! t8 U; ^4 ?. g+ J- s8 x0 h, x7 C! u/ S6 g, U
- R7 C A, S9 V" }
6 f S4 e% F! f. J
: q7 z0 v j2 s
|
|
[复制链接]
