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网络寻呼机数据库版显示历史消息history.asp
文章类别： ASP实例 来源： 作者： 发表日期：2005-10-4
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>历史消息</title>
<script language="JavaScript">
<!--
function CheckAll(form) {
for (var i=0;i<document.checkboxform1.length;i++) {
var e = document.checkboxform1[i];
if (e.name != 'chkall') e.checked = form.chkall.checked;
}
}
// 检查是否选择了记录
function checkbox1(form)
{
var theLength;
var i,j;
theLength = form.id.length;
i = 0;
j = 0;
while(i<theLength){
if (form.id[i].checked)
j ++ ;
i ++ ;
}
if (j==0 && !form.id.checked){
alert("请先选择删除记录");
return false ;
}
return true ;
}
// 单击“删除”按钮时触发
function del(form)
{
if (!checkbox1(form)){
return false;
}
else
if (confirm('您确信要删除这些记录吗')){
window.location.href="DeleteMessage.asp?page=<%=clng(page)%>"}
}
-->
</SCRIPT>
</head>
<body>
<br><br><%
set conn=server.createobject("adodb.connection")
Provider = "Provider=Microsoft.Jet.OLEDB.4.0;"
DBPath = "Data Source=" & Server.MapPath( "webuser.mdb" )
conn.Open Provider & DBPath
username=session("username")
if username<>"" then
sql="select * from talks where fromname='"& username & "'or toname='"& username & "' order by adddate desc"
Set rs = Server.Createobject("ADODB.Recordset")
rs.open sql,conn,3,3
rs.pagesize=15
Page = CLng(Request("Page"))
If Page < 1 Then Page = 1
If Page > rs.PageCount Then Page = rs.PageCount
%>
<table border="0" cellspacing="0" width=590 cellpadding="0" align=center height="75">
<tr>
<td width="100%" height="24"><font size="2">查看我的历史消息(<b><font color="#FF0000">聊天记录仅保存一周内容,请自行备份</font></b>)</font></td>
</tr>
<% if rs.eof or rs.bof then %>
<tr>
<td width="100%" height="20"><font color="#FF0000">没有你的历史纪录,赶快和大家交流</font>！！！</td>
</tr>
<% else %>
<tr>
<td width="100%" align="center">
<form action=history.asp name=f1>
<% If Page <> 1 Then %>
<a href=history.asp?Page=1> 第一页</A>
<A HREF=history.asp?Page=<%=(Page-1)%>>上一页</A>
<% End If
If Page <> rs.PageCount Then %>
<A HREF=history.asp?Page=<%=(Page+1)%>>下一页</A>
<A HREF=history.asp?Page=<%=rs.PageCount%>>最后一页</A>
<% End if %>
页次:<font COLOR="Red"><%=Page%>/<%=rs.PageCount%></font>
<input type=text size=4 maxlength=4 name=page>
</form>
</td>
</tr>
<tr>
<td ><% show rs, Page %></td>
</tr>
<% end if %>
<tr>
<td width="100%" height="16">
<%
Sub show( rs, Page )
rs.AbsolutePage =page
count=rs.pagesize
%>
<FORM name="checkboxform1" onsubmit="return del(checkboxform1)" method=post action="DeleteMessage.asp?page=<%=clng(page)%>">
<table border="0" cellspacing="0" width="590" cellpadding="0" align=center>
<%
do while not rs.eof and count>0
%>
<tr bgcolor="#D8D3CD">
<td height="20"> <input type="checkbox" name="id" value="<%=rs("id")%>"> <b><%=rs("fromname")%></b> 于<%=rs("adddate")%>传呼 <b><%=rs("toname")%></b></td></tr>
<tr>
<td height=22><%
word=replace(rs("word"),vbcrlf,"<br>")
response.write word %>
</td>
</tr>
<%
count=count-1
rs.movenext
loop
%>
<tr>
<td >
<input type="checkbox" id="check1" name="chkall" value="on" onclick="CheckAll(this.form)"><label for="check1">点击复选框或汉字可全选全清</label>
<input type="submit" value="删除选中的数据" name="shanchu"></td>
</tr>
</table>
</form>
<% end sub %>
</td>
</tr>
</table>
<%
sql="select adddate,id from talks"
set obj=conn.execute(sql)
if not obj.eof then
do while not obj.eof
sql="delete from talks where (day(now)-day(adddate)>8)"
conn.execute(sql)
obj.movenext
loop
end if
obj.close
set obj=nothing
end if
rs.close
set rs=nothing
conn.close
set conn=nothing
%>
</body>
</html>
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