ASP分页代码主要用于在网页上显示大量数据时,将数据分成多个页面进行展示,以下是一个简单的ASP分页代码示例:
1、定义变量和参数
<% Dim objRS, strSQL, intPageSize, intPageCount, intCurrentPage, intTotalRecords Dim strOrderBy, strWhere, strURL, strPageLink, strPageHTML intPageSize = 10 '每页显示的记录数 strOrderBy = "id" '排序字段 strWhere = "1=1" '查询条件 strURL = "default.asp?" 'URL地址 %>
2、获取当前页码和总记录数
<%
If Request("Page") <> "" Then
intCurrentPage = CInt(Request("Page"))
Else
intCurrentPage = 1
End If
Set objRS = Server.CreateObject("ADODB.Recordset")
strSQL = "SELECT COUNT(*) as TotalRecords FROM your_table WHERE " & strWhere
objRS.Open strSQL, Conn, 1, 1
intTotalRecords = objRS("TotalRecords")
objRS.Close
Set objRS = Nothing
%>
3、计算总页数和开始记录数
<%
intPageCount = intTotalRecords intPageSize
If intTotalRecords Mod intPageSize <> 0 Then
intPageCount = intPageCount + 1
End If
If intCurrentPage > intPageCount Then
intCurrentPage = intPageCount
End If
If intCurrentPage < 1 Then
intCurrentPage = 1
End If
intStartRecord = (intCurrentPage 1) * intPageSize
%>
4、查询数据并生成表格
<%
strSQL = "SELECT * FROM your_table WHERE " & strWhere & " ORDER BY " & strOrderBy & " LIMIT " & intStartRecord & ", " & intPageSize
Set objRS = Server.CreateObject("ADODB.Recordset")
objRS.Open strSQL, Conn, 1, 1
%>
<table>
<tr>
<th>ID</th>
<th>Name</th>
<th>Email</th>
</tr>
<% Do While Not objRS.EOF %>
<tr>
<td><%= objRS("id") %></td>
<td><%= objRS("name") %></td>
<td><%= objRS("email") %></td>
</tr>
<% objRS.MoveNext()
Loop %>
</table>
<% objRS.Close()
Set objRS = Nothing %>
5、生成分页链接
<%
For i = 1 To intPageCount
If i = intCurrentPage Then
strPageLink = strPageLink & "<strong>" & i & "</strong> "
Else
strPageLink = strPageLink & "<a href=""" & strURL & "Page=" & i & """ title=""Go to page " & i & """>" & i & "</a> "
End If
Next
Response.Write(strPageLink)
%>
这个示例展示了如何使用ASP编写一个简单的分页代码,包括获取当前页码、计算总页数、查询数据、生成表格和分页链接等功能,你可以根据实际需求修改代码中的表名、字段名和查询条件等。
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