|
|
发表于 2012-11-13 08:48:12
|
显示全部楼层
1判断语句
- s$ n! l) s" f9 @+ [" L9 a. o8 r if <condition> then
, |, L1 O- S( O+ b <statement sequence1>;% M! s, k, x. t2 H% n6 Y
elseif <condition> then
( [( k K* t, w' ?0 d3 o <statement sequence2>;! {1 ~6 H( n* n* V# R, c* Q& v% d
else 1 w! @4 Q% ]5 O( S7 L6 V) }
<statement sequence3>;
9 ?* t) I7 t- g& m1 b6 a x: n end;9 d3 I: X. w7 D; N2 ^1 g
如果分支比较多，用：
2 m6 ^9 C) k2 a4 q' g; I inspect <expression>* Y$ `3 M) C1 D7 X' V0 M/ V# w
when <constant_list> then, L* b) @5 c+ F6 \ |$ W
<statement sequence1>;" @% v" E3 m+ H) ?/ F; P
when <constant_list> then9 v" h7 T3 m/ Y# ~
<statement sequence2>;9 `& j% `$ J# }( Z$ N1 w4 Q- p
...4 ~+ Z: m5 |& T8 a/ t( G q
else
$ Q. c5 g* J# k3 ~7 k) r <statement sequence3>;
" [& P) g2 @ S) bend;
% s+ S" X( `. a! \0 B* Q8 C! e7 U; [' ~' P) Z0 S* A
2循环语句: o; X0 O J* n: U; P1 {5 F% Q& F
(1) from <statement sequence1>1 [# P8 W& u" \- D
until <condition> loop; ]- y4 F3 W8 }- |* l+ _" r; B
<statement sequence2>;2 C8 f- X8 t z4 T! q1 ~* n3 [- q
end;
7 O f( v5 z4 @+ g" F0 c* B# s, _& G (2) while <condition> loop
9 G D1 U/ K9 B; Z5 E <statement sequence1>;3 m4 A2 U6 b$ d0 Z
end;/ n: R, ]9 K/ T9 l
(3) repeat ) M3 O2 K/ N$ a& G8 B
<statement sequence1>;, R7 ~! \7 `4 r+ @9 B' e5 Q( Y
until <condition>;' U1 Z. d" k" y$ v7 x
(4) for <condition> to <condition> loop
0 w% q1 Z4 J6 L0 H( ]& x1 R <statement sequence1>;6 ]' q1 r( e3 V6 F g" ?- X5 j
next;4 Q1 k" @9 D2 O6 m6 |. }( O4 L
3中断语句# h" N& B+ c3 ?
waituntil <condition> prio <integer expression>;
, |4 g( K N/ e( u) B R
4 [' j3 R4 B& C8 l/ B' t1 M% P: |( W- e
: V1 E( O/ q3 L4 N+ A以上为常用的函数！
- H$ j5 }6 D% I3 \! X0 @还有很多，如有需要我把资料发到你邮箱里 ( `5 m. h& l, h' u
- d/ }/ E. N. l0 m
, R, `! {9 Y s
4 L4 l8 ?) W$ _2 U) O, {. K6 M
' m5 e9 `: N$ w7 G/ o
]0 g; e' q' C+ Q0 `* v0 @+ u& X
6 Z. N1 i. w. v
- g# a* X. Q9 }: _- K( d( ^
( V' i& G- z; o2 {& m% x7 _8 l 9 z* C; q, [/ C7 [0 x
|
|
[复制链接]
