AJAX preliminary application-code and download of RSS no-brush new aggregator page 1/3

Rss. js
Copy codeThe Code is as follows:
<! --
// Control ID
Function getId (objId ){
Return document. getElementById (objId)
}
// Link corresponding array, please indicate Reprinted from http://www.cnrui.cn/blog
Function urlArrary (urlName ){
Switch (urlName ){
Case "clear ":
Return "http://www.cnrui.cn/blog/feed.asp"
Case "a-fei ":
Return "http://www.a-fei.net/blog/rss.xml"
Case "ryanxia ":
Return "http://www.ryanxia.com/blog/feedrss2.asp"
Case "awflasher ":
Return "http://www.awflasher.com/blog/feed.asp"
Case "seles ":
Return "http://www.cnrui.cn/seles/feedrss2.asp"
Case "wawa ":
Return "http://a-fei.net/wawa/blog/rss2.php"
Case "dreammx ":
Return "http://www.dreammx.com/xhyl/feed.asp"
Default:
Return false
}
}
// Sidebar control, which must be reprinted from http://www.cnrui.cn/blog
Function closebar (targetid, objId ){
If (document. getElementById ){
Target = getId (targetid );
Objsty = getId (objId );
If (target. style. display = "none "){
Target. style. display = "";
Main. style. width = "800px ";
Objsty. innerHTML = "Close sidebar"
} Else {
Target. style. display = "none ";
Main. style. width = "100% ";
Objsty. innerHTML = "enable sidebar"
}
}
}
// The load is grayed out, indicating that it is reprinted from http://www.cnrui.cn/blog.
Function listen (){
GetId ("prolist"). className =;
}
Function btnSty (objId, objStyle)
{
GetId (objId). style. display = objStyle
}
// Prompt window control
Function ifodis (){
BtnSty ("loadifo", "none ");
}
Function settime (){
SetTimeout (a, 1000 );
}
Function loadtime (){
GetId ("loadifo"). innerHTML + = "."
}
// Data entry
Function ent (urlName ){
Window. location. hash = urlName
Var frmUrl = saveState (urlName); // write information to ifream
Var gamestart = loadrss (urlName); // AJAX Data Process
}
// XML Data Binding
Var xmldoc = false;
Function loadrss (urlName ){
Var myurl = urlArrary (urlName)
If (myurl ){
Listen ("mainbg2 ");
// Generate a random number and limit the number of refreshes
Var Num = Math. floor (Math. random () * 100 );
// Define the forward Parameters
Url = myurl + "? Id = "+ Num;
// Defined as asynchronous transmission mode
Xmldoc = false;
// The XMLHttp class that needs to be created when the browser such as Safari is killed
If (window. XMLHttpRequest ){
Xmldoc = new XMLHttpRequest ();
If (xmldoc. overrideMimeType ){
Xmldoc. overrideMimeType ('text/xml ');
}
}
// XMLHttp class created in IE browser
Else if (window. ActiveXObject ){
Try {
Xmldoc = new ActiveXObject ("Msxml3.XMLHTTP ");
}
Catch (e ){
Try {
Xmldoc = new ActiveXObject ("Msxml2.XMLHTTP ");
}
Catch (e ){
Try {
Xmldoc = new ActiveXObject ("Microsoft. XMLHTTP ");
}
Catch (e ){}
}
}
}
// Return when the XMLHTTP class cannot be created
If (! Xmldoc ){
Return false;
}
// Call the CheckState Function
Xmldoc. onreadystatechange = CheckState;
Xmldoc. open ('get', url, true );
Xmldoc. send (null );
} Else {
GetId ("listnum"). innerHTML = "the address you entered is incorrect. Please try again! "
}
}
// Status detection
Function CheckState (){
Var response = xmldoc.responseXML.doc umentElement;
BtnSty ("loadifo", "block ")
// Receives the complete Server Response
If (xmldoc. readyState = 1 ){
GetId ("loadifo"). innerHTML = "connect to server"
}
Else if (xmldoc. readyState = 2 ){
GetId ("loadifo"). innerHTML = "start to load data"
}
Else if (xmldoc. readyState = 3 ){
GetId ("loadifo"). innerHTML = "loading data"
Settime (loadtime)
}
Else if (xmldoc. readyState = 4 ){
// The HTTP server response value is successful.
If (xmldoc. status = 200 ){
// Write the string returned by the server to the area where the ID is showdiv in the page.
GetId ("loadifo"). innerHTML = "loaded"
Settime (ifodis)
Num (response)
}
Else {
GetId ("loadifo"). innerHTML = "error" + xmldoc. status + "Click here to refresh ";
}
}
}
// Check Data Validity
Function trydata (nodeName, nodeName2 ){
Try {
Var nodeV = nodeName. firstChild. nodeValue;
} Catch (e ){
Try {
Var nodeV = nodeName2.firstChild. nodeValue;
} Catch (e ){
Var nodeV = "no available information"
}
}
Return nodeV;
}
// Total number of Record Sets
Function num (B ){
Try {
Var titleNode = B. selectNodes ("// rss/channel/title ");
Var a = B. getElementsByTagName ("item"). length
TitleV = trydata (titleNode (0 ));
GetId ("listnum"). innerHTML = "Total" + a + "Source:" + titleV;
Setlist (a, B );
} Catch (e ){}
}
If (top. location! = Self. location) top. location = self. location;


// Show the program list
// Defines the variables that receive node information pointing to each element.
Var titleNode, linkNode, categoryNameNode, authorNode, pubDateNode, descriptionNode
// Define the variable for receiving element values
Var titleV, linkV, categoryNameV, authorV, pubDateV, descriptionV
// Classification Aggregation
Function setlist (a, B)
{
Var prograNode = B. getElementsByTagName ("item ");
Var adminlinkNode = B. selectNodes ("// rss/channel/link ");
Var titleNode = B. selectNodes ("// rss/channel/item/title ");
Var linkNode = B. selectNodes ("// rss/channel/item/link ");
Var categoryNode = B. selectNodes ("// rss/channel/item/category ");
Var authorNode = B. selectNodes ("// rss/channel/item/author ");
Var pubDateNode = B. selectNodes ("// rss/channel/item/pubDate ");
Var descriptionNode = B. selectNodes ("// rss/channel/item/description ");
Var category2sNode = B. selectNodes ("// rss/channel/item/dc: subject ");
Var author2sNode = B. selectNodes ("// rss/channel/item/dc: creator ");
Var pubDate2sNode = B. selectNodes ("// rss/channel/item/dc: date ");
Var listchar = ""
// Use the for loop to generate list information
For (I = 0; I <a; I ++)
{
TitleV = trydata (titleNode (I ))
LinkV = trydata (linkNode (I ))
CategoryV = trydata (categoryNode (I), category2sNode (I ))
AuthorV = trydata (authorNode (I), author2sNode (I ))
PubDateV = trydata (pubDateNode (I), pubDate2sNode (I ))
DescriptionV = trydata (descriptionNode (I ))
AdminlinkV = trydata (adminlinkNode (0 ))
// Load the obtained element value to the string that generates the table
Listchar + = "}
// Output the generated table to the DIV element of the page
GetId ("prolist"). innerHTML = listchar;
Listen ("mainbg ")
}
// Browser rollback
// Rewrite the IFREAM link to focus the browser back
Function saveState (message ){
Var hisFrm = getId ("historyFrame ")
HisFrm. src = "blank.html? "+ Message
}
// Detect IFREAM
Window. dhtmlHistory = {
IframeLoaded: function (newLocation ){
Var hash = new String (newLocation. search)
If (hash. length> = 2 & hash. charAt (0) = "? "& Hash. substring (1 )! = DelChar ()){
Hash = hash. substring (1)
Window. location. hash = hash;
Var hisFrmdata = loadrss (hash)
}
}
}
// Link to the browser
// Remove the symbol. Please indicate http://www.cnrui.cn/blog
Function delChar (){
Var a = window. location. hash
Return a. substring (1)
}
Window. onload = function (){
If (window. location. hash. length> = 2 ){
Ent (delChar ())
}
}
// -->