I have heard about Ajax for a long time and it seems to be good if it is not used. Today I made a simple test. Hey hey, it's not bad!
Ajax. js
// JavaScript document
VaR XMLHTTP;
VaR tagsid = "body ";
Function createxmlhttp (){
If (window. activexobject ){
XMLHTTP = new activexobject ("Microsoft. XMLHTTP ");
}
Else if (window. XMLHttpRequest ){
XMLHTTP = new XMLHttpRequest ();
}
}
Function gettextxmldata (URL ){
Createxmlhttp ();
XMLHTTP. onreadystatechange = handlestatechanged;
XMLHTTP. Open ("get", URL, false); // The third parameter Boolean asynch indicates asynchronous No
XMLHTTP. Send (null );
}
Function handlestatechanged (){
VaR MSG;
If (XMLHTTP. readystate = 4 ){
If (XMLHTTP. Status = 200 ){
MSG = XMLHTTP. responsetext;
}
Else {
MSG = "error: <br/> error status" + XMLHTTP. status;
}
} Else {
Switch (XMLHTTP. readystate)
{
Case 0:
// The object has been created but has not been initialized (the open method has not been called)
MSG = "initialize object ...";
Break;
Case 1:
// The object has been created and the send method has not been called
MSG = "trying to connect to the server ...";
Break;
Case 2:
// The send method has been called, but the current status and HTTP header are unknown.
MSG = "the server is successfully connected. ";
Break;
Case 3:
// Some received data
// Because the response and HTTP header are incomplete,
// If you use responsebody and responsetext to obtain some data, an error occurs,
MSG = "";
Break;
Default:
MSG = "unknown status! "; Break;
}
}
Document. getelementbyid (tagsid). innerhtml = MSG;
}
Admin_edit.asp
<! Doctype HTML public "-// W3C // dtd html 4.01 transitional // en" "http://www.w3.org/TR/html4/loose.dtd">
<HTML>
<Head>
<Title> <% = sitename %> Add/modify news </title>
<Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312">
<Link href = "style/mainstyle.css" _ fcksavedurl = "" style/mainstyle.css "" _ fcksavedurl = "" style/mainstyle.css "" rel = "stylesheet" type = "text/CSS "">
<Style type = "text/CSS">
<! --
Body {
Background-color: #799ae1;
Font-size: 12px;
}
. Style1 {
Font-color: #799ae1;
Font-weight: bold;
Font-size: 18px;
}
. Style2 {color: # ff0000}
. Style4 {color: # ff0000; font-weight: bold ;}
. Style5 {color: # ffffff}
. Tableborder {
Border-Right: #183789 1px solid; border-top: #183789 1px solid; border-left: #183789 1px solid; width: 98%; border-bottom: #183789 1px solid; background-color: # ffffff
}
. Input1 {
Font-family: "";
Font-size: 12px;
Text-Decoration: none;
Height: 18px;
Width: 35px;
Border: thin inset;
}
-->
</Style>
<SCRIPT type = "text/JavaScript" src = "script/ajax. js"> </SCRIPT>
<SCRIPT type = "text/JavaScript" Language = "javascript1.1">
Tagsid = "MSG ";
</SCRIPT>
<%
Dim page
Page = trim (request. querystring ("page "))
If page = "" then
Page = 1
End if
%>
</Head>
<Body onload = "gettextxmldata ('ajax _ admin_editnews.asp? Parent = admin_managenews.asp & page = <% = Page %> ') ">
<! -- # Include file = "admin_topheader.asp" -->
<Div id = "MSG" align = "center"> </div>
</Body>
</Html>
Ajax_admin_editnews.asp
<! -- # Include file = "common/webconfig. asp" -->
<! -- # Include file = "common/clsmain. asp" -->
<%
If SESSION ("user") = "" then
Session. Abandon ()
Response. Clear ()
Response. Redirect ("admin_login.asp ")
Response. End ()
Else
Dim dsj
Set dsj = new clsdsj
If not dsj. debug then on error resume next
Dsj. clientconnected
'If not dsj. chkpost then dsj. Alert ("Please do not submit data from outside"): Response. Flush (): Response. End ()
Call listnews ()
Set dsj = nothing
End if
%>
<% Sub listnews () %>
<%
Dim newsid
Newsid = trim (request. Form ("frmnewsid "))
Dsj. chkinvstr (newsid)
If dsj. Errors = 1982 then
Response. Clear ()
Response. Write ("hacker is not good. <br> alonesword .")
End if
Dsj. connectiondatabase dsj. Database, dsj. dbuserid, dsj. dbpassword, dsj. dbtype
Dim strsql, objrs
Set objrs = server. Createobject ("ADODB. recordset ")
%>
<Form name = "form1" method = "Post" Action = "">
<Table width = "98%" border = "0" align = "center" cellpadding = "3" cellspacing = "1" class = "tableborder">
<Tr bordercolor = "#5e78d5">
<TD colspan = "5" bordercolor = "#5e78d5" bgcolor = "#5e78d5"> <Div align = "center" class = "style1 style5"> <% = sitename %> news management </div> </TD>
</Tr>
<Tr bordercolor = "# ffffff" bgcolor = "# f5f5f5">
<TD colspan = "5"> <Div align = "center">
<%
If newsid <> "then
Strsql = "Update dsj_news set deldate = '" & now () & "', whodel = '" & SESSION ("user") & "', isdeleted = true, IP = '"& dsj. getip & "'where newsid =" & newsid
Objrs. Open strsql, dsj. objconn, 1, 3
Response. Write ("<font color = Red style = 'font-size: 12px '> the article is successfully placed in the recycle bin! </Font> ")
End if %>
</Div> </TD>
</Tr>
<Tr bordercolor = "# ffffff" bgcolor = "# f5f5f5">
<TD width = "53"> <Div align = "center"> NO. </div> </TD>
<TD width = "73"> <Div align = "center"> Delete </div> </TD>
<TD width = "729" bordercolor = "# ffffff"> <Div align = "center"> title </div> </TD>
<TD width = "39" bordercolor = "# ffffff"> modify </TD>
<TD width = "37" bordercolor = "# ffffff"> OK </TD>
</Tr>
<%
Strsql = "select title, newsid, classid from dsj_news"
Strsql = strsql & "where isdeleted = false and userpower> =" & SESSION ("flag ")&""
Strsql = strsql & "order by newsid DESC"
'Objrs. Open strsql, dsj. objconn, 1, 3
Set objrs = dsj. dataprocess (strsql)
If objrs. EOF and objrs. bof then %>
<Tr align = "center" valign = "Middle" bordercolor = "# ffffff" bgcolor = "# f5f5f5">
<TD colspan = "5"> <% response. Write ("no news, please upload! ") %> & Nbsp; </TD>
</Tr> <%
Else
Rem paging settings
Dim rspagecount, currentpage, I
I = 1
Objrs. pagesize = 10
Rspagecount = objrs. pagecount
Currentpage = trim (request. querystring ("page "))
If dsj. chkinvstr (currentpage) then
Response. Write ("<li> invalid data! Hacker is not good! </LI> ")
Response. Write ("weburl: <br/> ")
Response. Write ("http://blog.csdn.net/alonesword ")
Response. End ()
End if
If isnumeric (currentpage) then
Currentpage = CINT (currentpage)
If currentpage <1 then
Currentpage = 1
End if
If currentpage> rspagecount then
Currentpage = rspagecount
End if
Else
Currentpage = 1
End if
Objrs. absolutepage = currentpage
Do While (not objrs. EOF) And I <= objrs. pagesize %>
<Tr align = "center" valign = "Middle" bordercolor = "# ffffff" bgcolor = "# f5f5f5">
<TD> <% = I %> </TD>
<TD> <input name = "frmnewsid" type = "radio" value = "<% = objrs (" newsid ") %>"> </TD>
<TD align = "Left" bordercolor = "# ffffff"> <a href = "viewnews. asp? Action = view & id = <% = objrs ("newsid") %> "target =" _ blank "Title =" <% = objrs ("title ") %> "> <% = dsj. gottopic (objrs ("title"), 95) %> </a> </TD>
<TD align = "Left" bordercolor = "# ffffff"> <a href = "admin_editnews.asp? Newsid = <% = objrs ("newsid") %> & classid = <% = objrs ("classid ") %> "target =" _ Self "> modify </a> </TD>
<TD align = "Left" bordercolor = "# ffffff"> <input name = "OK" type = "Submit" class = "input1" id = "OK" value = "OK "onclick =" javascript: alert ('Are you sure you want to put the news in the recycle bin! '); "> </TD>
</Tr>
<% I = I + 1
Objrs. movenext
Loop
End if %>
<Tr bordercolor = "# ffffff" bgcolor = "# f5f5f5">
<TD colspan = "5"> <% call divpage (currentpage, objrs. pagecount, objrs. pagesize, objrs. recordcount) %> </TD>
</Tr>
<%
Objrs. Close
Set objrs = nothing %>
<Tr align = "center" valign = "Middle" bordercolor = "# ffffff" bgcolor = "# f5f5f5">
<TD colspan = "5"> & nbsp; </TD>
</Tr>
<Tr bordercolor = "# ffffff" bgcolor = "# f5f5f5">
<TD colspan = "5"> <Div align = "center">
</Div> </TD>
</Tr>
<Tr align = "center" valign = "Middle" bordercolor = "# ffffff" bgcolor = "#5e78d5">
<TD colspan = "5"> <SPAN class = "style5"> copyright & copy; 2005 by: <% = sitename %> & nbsp ;. & nbsp; All Rights Reserved. & nbsp; designer: lone sword & nbsp; version: <% = dsj. version %> </span> </TD>
</Tr>
</Table>
</Form>
<% End sub %>
<% Sub divpage (objrscurrentpage, objrspagecount, objrspagesize, objrsrecordcount) %>
<Style>
# Dvpage {
Border-top: 1px dashed #000000;
}
</Style>
<Div align = "center" id = "dvpage">
<%
Rem creates an array storage connection address
Rem 0: Home Page address
Rem 1: Address of the previous page
Rem 2: Next page address
Rem 3: Address of the last page
Dim URL
Url = array ("#","#","#","#")
If objrscurrentpage> 1 then
URL (0) = "? Page = 1"
URL (1) = "? Page = "& objrsCurrentPage-1
End if
If objrscurrentpage <objrspagecount then
URL (2) = "? Page = "& objrscurrentpage + 1
URL (3) = "? Page = "& objrspagecount
End if
%>
<A href = "<% = URL (0) %>" Title = "Homepage" class = "divpage"> homepage </a> & nbsp; & nbsp;
<A href = "<% = URL (1) %>" Title = "Previous Page" class = "divpage"> previous page </a> & nbsp; & nbsp;
<A href = "<% = URL (2) %>" Title = "next page" class = "divpage"> next page </a> & nbsp; & nbsp;
<A href = "<% = URL (3) %>" Title = "last page" class = "divpage"> last page </a> & nbsp; & nbsp;
<% = Objrspagesize %> entries per page/total <% = objrsrecordcount %> Entries & nbsp;
Current page: <% = objrscurrentpage %> & nbsp; total page number: <% = objrspagecount %>
</Div>
<% End sub %>
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