<%
dim rs, rNum
dim temp
set rs=createObject("adodb.recordset")
rs.open "select top 100 * from rnd_v1",conn,1
rNum=rs.recordCount-1
for each temp in fRndNoRpt(0,rNum)
rs.move temp
response.write rs("sbcat")
response.write "<br/>"
rs.movefirst
next
rs.close
set rs=nothing 'shawl.qiu code'
function fRndNoRpt(lwNum,upNum)
''''''''''''''''''''''''''''''''''''''''''''
' ASP 无重复数字随机函数, 数组实现, By shawl.qiu
' 2006-09-06
' http://blog.csdn.net/btbtd
'''''''''''''''''''''''''''''''''
' 注意: 随机数超过1000, 不建议使用本函数.
'''''''''''''''''''''''''''''''''
' 参数说明:
'''''''''''''''''''''''''''''''''
' lwNum 为 数字数组下限, 如: 1
' upNum 为 数字数组上限, 如: 100
'''''''''''''''''''''''''''''''''
' sample call:
'''''''''''''''''''''''''''''''''
' dim t
' for each t in fRndNoRpt(1,100)
' response.write t&"<br/>"
' next
''''''''''''''''''''''''''''''''''''''''''''
if upNum<1 or isNull(upNum) or upNum="" or isNumeric(upNum)=false then exit function
if lwNum<0 or isNumeric(lwNum)=false then exit function
dim num, temp
dim ar()
redim ar(upNum)
dim j:j=0
for temp=lwNum to upNum
num=num&"."&temp&"."
next
randomize
do until num=""
temp=int((upNum-lwNum+1)*rnd+lwNum)
if inStr(num,"."&temp&".")<>0 then
num=replace(num,"."&temp&".","")
ar(j)=temp
j=j+1
end if
loop
fRndNoRpt=ar
erase ar
end function 'shawl.qiu code'
response.write "<p/>使用随机数函数显示1至100的不重复随机数 1:<br/>-----------------------<br/>"
for each temp in fRndNoRpt(1,100)
response.write temp&"<br/>"
next
response.write "<p/>使用随机数函数显示1至100的不重复随机数 2:<br/>-----------------------<br/>"
temp=join(fRndNoRpt(1,100),"-")
response.write mid(temp,1,len(temp)-1)
%>
