|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句* R4 Q: b4 ~ |3 M0 `
if <condition> then
# }. S/ ^% {) U% V0 `; e A <statement sequence1>;
% b* d H: P% l elseif <condition> then
8 e6 L2 H8 I7 M' ? <statement sequence2>;9 H9 w; p+ J- M3 I3 G. T m
else : I+ a9 W( l6 b* r/ Y; `9 g `
<statement sequence3>;
+ B* N9 `5 }! y- D2 _ end;( U1 w$ d4 ~' n8 [7 R& v6 k& A" b
如果分支比较多，用：0 t/ o( S5 ]5 W# G( x, D# p
inspect <expression>
& x: C+ @1 `) d/ Q g: V when <constant_list> then
' s* n8 R+ A% M: k/ H# J% n <statement sequence1>;% j' w, D$ h9 V
when <constant_list> then) I/ ~, b$ H( Y3 T% P0 B, p
<statement sequence2>;! @0 _% z; y& |
...
- G. h6 h# }+ { E R" [ else u- _5 L5 Q9 o/ V
<statement sequence3>;
; V" @7 `$ u& G4 n- cend;% G) Y: J" G7 \" s; R2 ?' G4 w8 `
9 f/ r; S; S& X/ I# d2循环语句
- t: z. _3 [8 z$ P5 E% X" z (1) from <statement sequence1>
+ R9 r# i1 g( u3 J. Y% ^ until <condition> loop
1 b3 q" W, c9 L6 H( J <statement sequence2>;( D% M# r* c1 O8 a3 f$ B( ^
end;' F9 j- @) A* y
(2) while <condition> loop* g* Z5 d3 p% a9 w! n2 v1 P3 [
<statement sequence1>;
7 ]( `2 F) g1 `3 O9 O$ Q1 z) U& t end;) r7 K- T# l" ]% |! }, c
(3) repeat
6 S X/ O2 M. d1 q <statement sequence1>;
$ c6 {9 Q `6 \: {+ J n* \; K until <condition>;
! I3 V0 g& p2 d( y1 b$ U g8 p0 W ? (4) for <condition> to <condition> loop; l( q( E7 X' n; m1 y
<statement sequence1>;
* G7 Z) i# J7 q. f! y( W next;2 T1 ~( w8 A8 G8 R% r, T
3中断语句; Q) W! i9 e: \4 ?4 }
waituntil <condition> prio <integer expression>;
5 b" ?) L6 D7 z1 H0 C# _
5 Q* m4 J( P. M% T3 Z
) D. z& n' f" B3 n) B3 b5 t以上为常用的函数！
: d8 @+ [" N/ o) d6 u9 i6 D" J还有很多，如有需要我把资料发到你邮箱里 ! P! S! X5 N9 p' U
4 b- n! x! f; @6 q4 y
* } `+ K, N6 ~5 v
% l) c( O, H- @ j l. A$ U9 L9 h
/ r8 @: `; n* ~6 R& o
9 b/ F; U L9 m7 j' ?$ r$ E' C3 K8 ^; n* W j
/ u7 M* u) {$ b$ }0 v: [- v
4 m( p6 v: \0 Z1 N1 |8 `0 t ; u; j2 `2 X4 m) n* X$ @' R+ H; m) a
|
|
[复制链接]
