|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
& Q; x0 d1 w* `) j+ S. R( l if <condition> then
' O% |+ V, N# L: q9 s, \1 t <statement sequence1>;
, E: N+ `; M( J7 V1 [ elseif <condition> then b9 y) e2 A; v) _; w4 q
<statement sequence2>;
* ?" y4 T# ^8 r! J' A7 ~ else : v: W. V8 b4 ], j* Y: A
<statement sequence3>;
6 Q7 u& T+ b! w8 H end;
0 \0 n6 r- N& {7 z8 M7 I如果分支比较多，用：% v7 q! h9 q2 Z" u
inspect <expression>) T( ?) D. [, a4 a+ w, c2 X
when <constant_list> then
. e6 c9 j |; w/ N8 k2 t( B9 ?- Y <statement sequence1>;; M' e4 X, q m/ k
when <constant_list> then
H! W# h( D. b <statement sequence2>;! S6 M/ B" ^! f; ]/ [0 B k u. B
...
- O1 z* A! [* j# S$ d5 P else
T! {: E! M+ s. J <statement sequence3>;$ ]8 z7 `7 f8 n( d8 R2 b$ x6 q
end;
( o7 Z; h' q3 b/ Q: n, Y$ O Q. h/ P# D5 s b
2循环语句
% ~9 e5 S9 H3 g# u. c/ W1 r9 P. O9 \ (1) from <statement sequence1>$ j( Q% @2 M2 h$ v8 g, P# {
until <condition> loop
( E9 b* O3 v. } <statement sequence2>;
! U4 D9 _3 c' |& ? end;
1 i. A6 q/ w9 c) x( B( @+ o (2) while <condition> loop0 {; a* c- ^. u0 |2 J, |6 S2 T& i
<statement sequence1>;, |2 m0 f" ^ ?8 j* C- n) u
end;
' B% X' `) o) ~) i) }$ @ (3) repeat
7 Q/ p. u9 l# a+ J* | <statement sequence1>;: }8 N$ E, l0 N1 k
until <condition>;
5 t6 G; S! i! Y) B Y (4) for <condition> to <condition> loop: f' g( C7 i( {6 ]2 k$ q
<statement sequence1>;
; L' l9 D ]% X1 }) w! W& u, o2 f next;
5 ^# Y, b, P5 T/ D) ^) T3中断语句2 ?& p D r, D, d4 a
waituntil <condition> prio <integer expression>;
5 g# |) O9 J# t6 l1 i( e+ P
2 y' b2 u2 L0 [2 Y- D1 e$ u6 S5 w N
以上为常用的函数！
' g4 W5 t3 Q' v5 m) D/ z还有很多，如有需要我把资料发到你邮箱里 , z1 r; r( L7 h! _
1 Z% J [: {! C% b/ Q
$ \; n' r; L2 M+ ?/ [3 \9 P
$ I" ~0 B t# f4 n4 Y- }
; E- }# m# h) u" L; c% r4 P$ [8 L ^ a9 h" S: N/ G3 h
$ O' }, \5 X. Z% F/ \* f* H2 p& _; Y/ {8 D+ h; s
2 ^+ }! C8 c& B B0 `
: j- g* m2 {6 ]7 a/ U- M5 e : C! _; m2 q2 a& F0 @9 L& M/ f
|
|
[复制链接]
