创建一个ASP通用分页类

j=InstrRev(str_params,search_str)-2
If j=-1 Then
  result_url=str_url & "?page="
Else
  str_params=Left(str_params,j)
  result_url=str_url & "?" & str_params &"&page="
End If
  End If
  End If
  GetURL=result_url
End Function

通过GetURL的处理，可以自动的获取当前面的文件名，和所有带的参数，实现了页面转换页不丢失参数。
三、后记
通过这个分页类，解决了每次分页时需要重复写的分页部分代码，方便了编程，也使的提高了主要代码的可读性。也希望能给大家在编程过程中带来一点方便，由于本人水平有限,程序和文章中难免有错，还望大家批评指正。

全部代码下载

附全部代码：
<% '=================================================================== 'XDOWNPAGE ASP版本 '版本 1.00 'Code by zykj2000 'Email: zykj_2000@163.net 'BBS: http://bbs.513soft.net '本程序可以免费使用、修改，希望我的程序能为您的工作带来方便 '但请保留以上请息 ' '程序特点 '本程序主要是对数据分页的部分进行了封装，而数据显示部份完全由用户自定义， '支持URL多个参数 ' '使用说明 '程序参数说明 'PapgeSize 定义分页每一页的记录数 'GetRS 返回经过分页的Recordset此属性只读 'GetConn 得到数据库连接 'GetSQL 得到查询语句 '程序方法说明 'ShowPage 显示分页导航条,唯一的公用方法 ' '=================================================================== Const Btn_First="<font face=""webdings"">9</font>" '定义第一页按钮显示样式 Const Btn_Prev="<font face=""webdings"">3</font>" '定义前一页按钮显示样式 Const Btn_Next="<font face=""webdings"">4</font>" '定义下一页按钮显示样式 Const Btn_Last="<font face=""webdings"">:</font>" '定义最后一页按钮显示样式 Const XD_Align="Center" '定义分页信息对齐方式 Const XD_Width="100%" '定义分页信息框大小 Class Xdownpage Private XD_PageCount,XD_Conn,XD_Rs,XD_SQL,XD_PageSize,Str_errors,int_curpage,str_URL,int_totalPage,int_totalRecord,XD_sURL '================================================================= 'PageSize 属性 '设置每一页的分页大小 '================================================================= Public Property Let PageSize(int_PageSize) If IsNumeric(Int_Pagesize) Then XD_PageSize=CLng(int_PageSize) Else str_error=str_error & "PageSize的参数不正确" ShowError() End If End Property Public Property Get PageSize If XD_PageSize="" or (not(IsNumeric(XD_PageSize))) Then PageSize=10 Else PageSize=XD_PageSize End If End Property '================================================================= 'GetRS 属性 '返回分页后的记录集 '================================================================= Public Property Get GetRs() Set XD_Rs=Server.createobject("adodb.recordset") XD_Rs.PageSize=PageSize XD_Rs.Open XD_SQL,XD_Conn,1,1 If not(XD_Rs.eof and XD_RS.BOF) Then If int_curpage>XD_RS.PageCount Then int_curpage=XD_RS.PageCount End If XD_Rs.AbsolutePage=int_curpage End If Set GetRs=XD_RS End Property '================================================================ 'GetConn 得到数据库连接 ' '================================================================ Public Property Let GetConn(obj_Conn) Set XD_Conn=obj_Conn End Property '================================================================ 'GetSQL 得到查询语句 ' '================================================================ Public Property Let GetSQL(str_sql) XD_SQL=str_sql End Property '================================================================== 'Class_Initialize 类的初始化 '初始化当前页的值 ' '================================================================== Private Sub Class_Initialize '======================== '设定一些参数的黙认值 '======================== XD_PageSize=10 '设定分页的默认值为10 '======================== '获取当前面的值 '======================== If request("page")="" Then int_curpage=1 ElseIf not(IsNumeric(request("page"))) Then int_curpage=1 ElseIf CInt(Trim(request("page")))<1 Then int_curpage=1 Else Int_curpage=CInt(Trim(request("page"))) End If End Sub '==================================================================== 'ShowPage 创建分页导航条 '有首页、前一页、下一页、末页、还有数字导航 ' '==================================================================== Public Sub ShowPage() Dim str_tmp XD_sURL = GetUrl() int_totalRecord=XD_RS.RecordCount If int_totalRecord<=0 Then str_error=str_error & "总记录数为零，请输入数据" Call ShowError() End If If int_totalRecord="" then int_TotalPage=1 Else If int_totalRecord mod PageSize =0 Then int_TotalPage = CLng(int_TotalRecord / XD_PageSize * -1)*-1 Else int_TotalPage = CLng(int_TotalRecord / XD_PageSize * -1)*-1+1 End If End If If Int_curpage>int_Totalpage Then int_curpage=int_TotalPage End If '================================================================== '显示分页信息，各个模块根据自己要求更改显求位置 '================================================================== response.write "" str_tmp=ShowFirstPrv response.write str_tmp str_tmp=showNumBtn response.write str_tmp str_tmp=ShowNextLast response.write str_tmp str_tmp=ShowPageInfo response.write str_tmp response.write "" End Sub '==================================================================== 'ShowFirstPrv 显示首页、前一页 ' ' '==================================================================== Private Function ShowFirstPrv() Dim Str_tmp,int_prvpage If int_curpage=1 Then str_tmp=Btn_First&" "&Btn_Prev Else int_prvpage=int_curpage-1 str_tmp="<a href="""&XD_sURL & "1" & """>" & Btn_First&"</a> <a href=""" & XD_sURL & CStr(int_prvpage) & """>" & Btn_Prev&"</a>" End If ShowFirstPrv=str_tmp End Function '==================================================================== 'ShowNextLast 下一页、末页 ' ' '==================================================================== Private Function ShowNextLast() Dim str_tmp,int_Nextpage If Int_curpage>=int_totalpage Then str_tmp=Btn_Next & " " & Btn_Last Else Int_NextPage=int_curpage+1 str_tmp="<a href=""" & XD_sURL & CStr(int_nextpage) & """>" & Btn_Next&"</a> <a href="""& XD_sURL & CStr(int_totalpage) & """>" & Btn_Last&"</a>" End If ShowNextLast=str_tmp End Function '==================================================================== 'ShowNumBtn 数字导航 ' ' '==================================================================== Private Function showNumBtn() Dim i,str_tmp For i=1 to int_totalpage str_tmp=str_tmp & "[<a href=""" & XD_sURL & CStr(i) & """>"&i&"</a>] " Next showNumBtn=str_tmp End Function '==================================================================== 'ShowPageInfo 分页信息 '更据要求自行修改 ' '==================================================================== Private Function ShowPageInfo() Dim str_tmp str_tmp="页次:"&int_curpage&"/"&int_totalpage&"页 共"&int_totalrecord&"条记录 "&XD_PageSize&"条/每页" ShowPageInfo=str_tmp End Function '================================================================== 'GetURL 得到当前的URL '更据URL参数不同，获取不同的结果 ' '================================================================== Private Function GetURL() Dim strurl,str_url,i,j,search_str,result_url search_str="page=" strurl=Request.ServerVariables("URL") Strurl=split(strurl,"/") i=UBound(strurl,1) str_url=strurl(i)'得到当前页文件名 str_params=Trim(Request.ServerVariables("QUERY_STRING")) If str_params="" Then result_url=str_url & "?page=" Else If InstrRev(str_params,search_str)=0 Then result_url=str_url & "?" & str_params &"&page=" Else j=InstrRev(str_params,search_str)-2 If j=-1 Then result_url=str_url & "?page=" Else str_params=Left(str_params,j) result_url=str_url & "?" & str_params &"&page=" End If End If End If GetURL=result_url End Function '==================================================================== ' 设置 Terminate 事件。 ' '==================================================================== Private Sub Class_Terminate XD_RS.close Set XD_RS=nothing End Sub '==================================================================== 'ShowError 错误提示 ' ' '==================================================================== Private Sub ShowError() If str_Error <> "" Then Response.Write("" & str_Error & 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