{"id":240,"date":"2005-12-15T11:12:18","date_gmt":"2005-12-15T03:12:18","guid":{"rendered":"http:\/\/fdream.net\/blog\/article\/240.aspx"},"modified":"2006-03-26T19:03:23","modified_gmt":"2006-03-26T11:03:23","slug":"%e4%b9%9f%e8%ae%a8%e8%ae%ba%e4%b8%80%e4%b8%8bASP%e5%9c%a8%e7%ba%bf%e4%ba%ba%e6%95%b0%e7%bb%9f%e8%ae%a1%ef%bc%88%e4%ba%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/fdream.net\/blog\/article\/240","title":{"rendered":"\u4e5f\u8ba8\u8bba\u4e00\u4e0bASP\u5728\u7ebf\u4eba\u6570\u7edf\u8ba1\uff08\u4e8c\uff09"},"content":{"rendered":"

\u7b2c\u4e09\u79cd\u65b9\u6cd5\u548c\u8fd9\u4e2a\u7c7b\u4f3c\uff0c\u53ea\u4e0d\u8fc7\u662f\u6839\u636e\u7528\u6237\u7684 IP \u6765\u5224\u65ad\u5728\u7ebf\u4eba\u6570\uff0c\u8fd9\u6837\u5c31\u907f\u514d\u4e86\u4e09\u9762\u7684\u7279\u6b8a\u60c5\u51b5\uff0c\u800c\u4e14\u4e0d\u9700\u8981\u7528 session \u54e6\uff01
\u9996\u5148\u8fd8\u662f\u5efa\u4e00\u4e2a\u6570\u636e\u5e93\uff1acount.mdb\uff0c\u5305\u542b\u4e00\u4e2a\u8868\uff1acount\uff0c\u8868\u4e2d\u5b57\u6bb5\u4e3a\uff1a<\/p>\n

\n

ID \u81ea\u52a8\u7f16\u53f7
ip \u6587\u672c
posttime \u65e5\u671f\/\u65f6\u95f4<\/p>\n<\/blockquote>\n

\u5177\u4f53\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\uff0c\u6587\u4ef6\u540d\u4e3a online.asp\uff1a
[#afdream.com#]<\/p>\n

\n

<%
‘———\u5b9a\u4e49\u53d8\u91cf
dim rs
dim ip
dim timeouted
dim x
dim conn
dim dbpath
‘———\u5b9a\u4e49\u53d8\u91cf\u7ed3\u675f<\/p>\n

‘———\u5efa\u8bae\u6570\u636e\u5e93\u94fe\u63a5
set conn=server.createobject(“adodb.connection”)
DBPath = Server.MapPath(“count.mdb”)
conn.Open “driver={Microsoft Access Driver (*.mdb)};dbq=” & DBPath
‘———\u5efa\u7acb\u6570\u636e\u5e93\u94fe\u63a5\u5b8c\u6210 <\/p>\n

‘———\u65b0\u5efa\u6570\u636e\u5e93RS\u5bf9\u8c61
set rs = server.createobject(“adodb.recordset”)
‘———\u5efa\u7acb\u6570\u636e\u5e93RS\u5bf9\u8c61\u5b8c\u6210<\/p>\n

‘———\u8bfb\u53d6\u5ba2\u6237\u7aefIP\u5730\u5740
ip = Request.ServerVariables(“HTTP_X_FORWARDED_FOR”) ‘\u82e5\u662f\u5bf9\u65b9\u4f7f\u7528\u7684\u662f\u4ee3\u7406\u670d\u52a1\u5668\u4e0a\u7f51\u7684\u8bdd,\u7528Request.ServerVariables(“HTTP_X_FORWARDED_FOR”)\u53ef\u4ee5\u5f97\u5230\u5bf9\u65b9\u7684\u771f\u5b9eIP,\u82e5\u5bf9\u65b9\u4e0d\u662f\u901a\u8fc7\u4ee3\u7406\u670d\u52a1\u5668\u4e0a\u7f51\u7684\u8bdd,\u5219IP\u7684\u503c\u4e3a\u7a7a
If ip = “” Then ip = Request.ServerVariables(“REMOTE_ADDR”) ‘\u5982\u679cIP\u7684\u503c\u4e3a\u7a7a,\u5219\u5f97\u5230\u4ed6\u7684\u672c\u5730\u5ba2\u6237\u7aef\u5730\u5740
‘———IP\u8bfb\u53d6\u5b8c\u6bd5<\/p>\n

‘———\u8bfb\u51fa\u6570\u636e\u5e93\u5185\u8fd120\u5206\u949f\u6240\u52a0\u5165\u7684\u65b0\u5185\u5bb9\u6570,group by ip-\u8868IP\u503c\u76f8\u540c\u7684\u8bb0\u4f5c1
sql=”select ip from count where posttime >= dateadd(‘n’,-20,now()) group by ip”
rs.Open sql,conn,1,1
online=rs.RecordCount
rs.Close
‘———\u5f97\u5230\u5728\u7ebf\u4eba\u6570\u503c<\/p>\n

‘———\u67e5\u770b\u6570\u636e\u5e93\u4e2d\u662f\u5426\u5df2\u7ecf\u6709\u76f8\u540c\u7684\u503c,\u6ca1\u6709\u5219 x=”yes”\u6709\u5219x=”no”
sql=”select ip from count where ip='” & ip & “‘”
rs.Open sql,conn,1,1
if rs.eof and rs.bof then
x=”yes”
else
x=”no”
end if
rs.close
‘——–\u5224\u65ad\u5b8c\u6bd5<\/p>\n

‘——–\u5982\u679c\u6570\u636e\u5e93\u4e2d\u6ca1\u6709\u76f8\u540c\u7684\u503c\u5219\u52a0\u5165\u4e00\u4e2a\u65b0\u503c
if x=”yes” then’\u3000\u3000\u3000\u5982\u679c\u6ca1\u6709\u8fd9\u4e2a\uff29\uff30\u5219\u589e\u52a0\u4e00\u6761\u8bb0\u5f55
sql=”select top 1 * from count”
rs.Open sql,conn,1,3
rs.AddNew
rs(“ip”)=ip
rs(“posttime”)=now()
rs.update
rs.close
else\u3000\u3000\u3000’\u5982\u679c\u6709\u8fd9\u4e2a\uff29\uff30\u5219\u628a\u65f6\u95f4\u6539\u4e3a\u73b0\u5728\u7684\u65f6\u95f4<\/p>\n

sql=”select * from count where ip='” & ip & “‘”
rs.Open sql,conn,1,3
rs(“posttime”)=now()
rs.update
rs.close
end if
‘——–\u5224\u65ad\u52a0\u5165\u5b8c\u6bd5<\/p>\n

‘——–\u5220\u966420\u5206\u949f\u4ee5\u524d\u6240\u52a0\u5165\u7684\u503c
timeouted = dateadd(“n”, -20, now())
sql=”delete * from count where posttime < #\" & timeouted & \"#\"
conn.Execute sql
‘——–\u5220\u9664\u5b8c\u6bd5<\/p>\n

‘——–\u5173\u95ed\u6570\u636e\u5bf9\u8c61
set rs=nothing
conn.Close
set conn=nothing
%>
document.write(“\u5171<%=online%>\u4eba\u5728\u7ebf”)<\/p>\n<\/blockquote>\n

\u8c03\u7528\u65b9\u5f0f\u5982\u4e0b\uff0c\u5728\u4f60\u8981\u663e\u793a\u7684\u5730\u65b9\u63d2\u5165\u5982\u4e0b\u4ee3\u7801\uff08\u6ce8\u610f\u8def\u5f84\u4e00\u5b9a\u8981\u5199\u5bf9\u54e6\uff01\uff09\uff1a<\/p>\n

\n