|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
0 T' T) w4 M e- H( {1 K if <condition> then4 P4 {; O5 K! Z9 h/ y6 e
<statement sequence1>;. A' D6 q" U" b
elseif <condition> then$ c: V- p6 y8 C+ [9 E; W
<statement sequence2>;
! h. r. |; ?5 t- j) X else
8 p9 t! I% a% [$ t <statement sequence3>; A' X! K4 n# N+ a& N5 f* W
end;
+ O" `' T8 L* s3 k0 C. K& O如果分支比较多，用：9 w. N, A' M% u! R4 z
inspect <expression>+ `+ M3 W2 Z5 M& Z* ?1 }9 {
when <constant_list> then" _: L% c3 \& b' y* u& i- f
<statement sequence1>;
1 s. Z5 G0 l" U! O+ D8 m% u$ r when <constant_list> then2 P0 x7 s9 C& |
<statement sequence2>;6 d2 a N. V4 O) T5 _. h9 u
...
, S' R1 b) k9 d! x else
2 A# {- f* g0 @* _0 |; x <statement sequence3>;
, b0 ?) N4 C" w! s* S/ ?0 uend;
. n' j: C' U$ ]0 n/ V
- F8 e9 ^1 u" p; t. N2循环语句
5 k {- E$ G3 v3 K }4 s% D( w$ q (1) from <statement sequence1>, `1 j7 Y' f7 V/ `3 P7 |
until <condition> loop
# T- D( B( o, z) v2 w1 \ <statement sequence2>;
1 P* J t; j( |& Q8 s& v2 B end;
1 [ n: g. x8 @4 s( ^ (2) while <condition> loop" }2 S+ b+ z8 F# i8 t
<statement sequence1>;* N0 Q" _& `: o+ t# R' ]* U
end;0 e6 P! x: P4 ?: L6 \/ Q; z& M; c/ p
(3) repeat
+ Q( ]) S! C! ?" V! l! i <statement sequence1>;
9 w! X1 q+ i/ \% d8 Z until <condition>;, `1 K" {7 Q! N
(4) for <condition> to <condition> loop
" n4 \/ q: q. M+ ?4 q" H: G$ k/ l <statement sequence1>;$ @% h# [4 _6 B4 g7 M" b$ o
next;
# g- N* j/ X! N" g0 Z# _# H7 I3中断语句
+ Y) z- q7 S u" l, N" f4 m waituntil <condition> prio <integer expression>;
1 k' p+ w0 x0 r1 I' p7 q
0 p6 m; F4 g$ i& V
+ @1 H5 r8 m( @( ^6 \+ S2 t" R% R以上为常用的函数！
% t1 o2 x, m* l& E9 w3 J- Y% E还有很多，如有需要我把资料发到你邮箱里 * ?6 h. s! M" D: F
9 V* c& t4 `8 }" Z7 Y6 S/ x$ W, T
* w$ G# I; w6 F, Y- w. |; }# R: o) J8 D9 y: s. ~( @
I: r. b% j" F' G4 d5 p
+ Y; b# B* b5 }4 N# T
4 \$ W6 }" ?( _0 g
+ I* z. H- E* s
* g" O; j6 N' F t0 z
# Q# l/ N+ H8 ^
, E3 r( E+ p8 V/ a+ w. z
|
|
[复制链接]
