Xdownpage ASP version paging class

<%
'================================================ ======================================
'Xdownpage ASP version
'Version 1.00
'Code by zykj2000
'Email: zykj_2000@163.net
'Bbs: http://bbs.513soft.net
'Ben Program It can be used and modified for free. I hope my program will be convenient for your work.
'But keep the above information
'
'Program features
'The program encapsulates the data paging part, and the data display part is completely customized by the user,
'Multiple URL parameters are supported.
'
'Instructions for use
'Program parameter description
'Papgesize defines the number of records per page.
'Getrs returns the paged recordset. This attribute is read-only.
'Getconn get database connection
'Getsql: query statement obtained
'Program Method description
'Showpage display pagination navigation bar, the only public Method
'
'================================================ ======================================

Const btn_first = "<font face =" "webdings"> 9 </font> "'defines the display style of the button on the first page.
Const btn_prev = "<font face =" "webdings"> 3 </font> "'defines the display style of buttons on the previous page.
Const btn_next = "<font face =" "webdings"> 4 </font> "'defines the display style of the next page button
Const btn_last = "<font face =" "webdings" >:</font> "'defines the button display style on the last page.
Const xd_align = "center" 'defines the page information alignment Mode
Const xd_width = "100%" 'defines the size of the page information box

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

'============================================ =============================< br> 'pagesize attribute
'settings page size of each page
'============================== =======================================================< br> Public Property let pagesize (int_pagesize)
If isnumeric (int_pagesize) Then
xd_pagesize = clng (int_pagesize)
else
str_error = str_error & "The pagesize parameter is incorrect"
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 attributes
'Return the record set after pagination
'================================================ ======================================
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 get database connection
'
'================================================ ======================================
Public property let getconn (obj_conn)
Set xd_conn = obj_conn
End Property

'================================================ ======================================
'Getsql: query statement obtained
'
'================================================ ======================================
Public property let getsql (str_ SQL)
Xd_ SQL = str_ SQL
End Property

'================================================ ======================================
'Class _ initialize class initialization
'Initialize the value of the current page
'
'================================================ ======================================
Private sub class_initialize
'====================================
'Set the token value for some parameters
'====================================
Xd_pagesize = 10' set the default page size to 10.
'====================================
'Get the current value
'====================================
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 creates a paging navigation bar
'The Home Page, Previous Page, next page, last page, and digital navigation
'
'================================================ ==================================
Public sub showpage ()
Dim str_tmp
Xd_surl = geturl ()
Int_totalrecord = xd_rs.recordcount
If int_totalrecord <= 0 then
Str_error = str_error & "the total number of records is zero. Please input data"
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

'================================================ ======================================
'Display paging information. Each module can change the explicit position as required.
'================================================ ======================================
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

'============================================ =====================================< br> 'showfirstprv display the home page, previous Page
'======================== ========================================================== ==< br> 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 =" " & btn_first & " " & btn_prev & ""
end if
showfirstprv = str_tmp
end function

'============================================ ===================================< br> 'shownextlast next page and last page
'======================== ==========================================================
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 & " " & btn_last & ""
end if
shownextlast = str_tmp
end function

'============================================ ===================================< br> 'shownumbtn digital navigation
'
' ======================== =====================================================< BR> private function shownumbtn ()
dim I, str_tmp
for I = 1 to int_totalpage
str_tmp = str_tmp & "[" & I & "]"
next
shownumbtn = str_tmp
end function

'================================================ ==================================
'Showpageinfo page information
'Modify as required
'
'================================================ ==================================
Private function showpageinfo ()
Dim str_tmp
Str_tmp = "Page times:" & int_curpage & "/" & int_totalpage & "Page total" & int_totalrecord & "record" & xd_pagesize & "/page"
Showpageinfo = str_tmp
End Function
'================================================ ======================================
'Geturl: Get the current URL.
'Obtain different results based on different URL parameters
'
'================================================ ======================================
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) 'to get the file name of the current page

str_params = trim (request. servervariables ("QUERY_STRING")
If str_params = "" Then
result_url = str_url &"? Page = "
else
If limit Rev (str_params, search_str) = 0 then
result_url = str_url &"? "& Str_params &" & page = "
else
J = Limit Rev (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
geturl = result_url
end function

'============================================ =====================================< br> 'set the terminate event.
'================================ ================================================================< br> private sub class_terminate
xd_rs.close
set xd_rs = nothing
end sub
'================ ========================================================== ===========< br> 'showerror error message
'========== ========================================================== ==========================< br> private sub showerror ()
If str_error <> "" Then
response. write ("" & str_error & "")
response. end
end if
end sub
end class

'Set conn = server. Createobject ("ADODB. Connection ")
'Conn. Open "driver = {Microsoft Access Driver (*. mdb)}; DBQ =" & server. mappath ("/data/5iduohai. mdb ")
'
''' ############# Class call example #################
''Create object
'Set mypage = new xdownpage
''Get database connection
'Mypage. getconn = Conn
''SQL statement
'Mypage. getsql = "select * from [dh_company] Order by id asc"
''Set the number of records on each page to 5
'Mypage. pagesize = 5
''Return recordset
'Set rs = mypage. getrs ()
'Display paging information. This method can be called anywhere after set rs = mypage. getrs (). It can be called multiple times.

'
''Display data
'Response. Write ("<br/> ")
'For I = 1 to mypage. pagesize
''Here you can customize the display mode.
'If not Rs. EOF then
'Response. Write RS (0) & "<br/>"
'Rs. movenext
'Else
'Exit
'End if
'Next
'Mypage. showpage ()
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