<SCRIPT LANGUAGE=vbscript >
'洗牌
Dim N,S,D,P
P=52'牌的数量
Set D = CreateObject("Scripting.Dictionary")
do while D.Count<P
Randomize
N=Int(P * Rnd + 1)
if not D.Exists(cstr(N)) then
D.Add cstr(N),cstr(N)
end if
loop
for each K in D.Keys
S=S & K & " "
next
msgbox replace(trim(S)," ",",")
</SCRIPT>
洗牌完美版:
<SCRIPT LANGUAGE=vbscript >
function xipai(mystr)
xipai=""
if len(mystr)=0 then'如果是空的,那么初试化一付连续的牌
for i=1 to 52
mystr=mystr & "<" & i & "> "
next
end if
dim i,x
for i=1 to 52
myarry=split(mystr) 'myarry是下标52的数组,前0-51个有效
randomize
x=cint(rnd*(ubound(myarry)-1))'前0-51个随便找一个
mystr=replace(mystr, myarry(x) & space(1),"")'从没发的牌中随便挑一张
xipai=xipai & myarry(x) & space(1)
next
end function
function XP(n)
mystr="xipai("""")"
dim i
for i=1 to n
mystr="xipai(" & mystr & ")"
next
XP=eval(mystr)
end function
document.write "洗牌完美版" & "<br/>"
document.write "洗一次牌:" & XP(1) & "<br/>"
document.write "洗两次牌:" & XP(2) & "<br/>"
document.write "洗三次牌:" & XP(3) & "<br/>"
document.write "洗一百次牌:" & XP(100) & "<br/>"
</SCRIPT>
select top 10 * from news order by id
只能取前10条并不是取随机10条,
我觉得可以这样取
sql="select * from news"
rs.open sql,conn,1,1
record=Int(rs.recordcount*rnd())
rs.move(record)
for i=1 to 10
if rs.eof then
rs.movefirst
end if
''''''''
你的语句
''''''''
rs.movenext
next