/*
LWM(Luin Web Model) 是基于 AJAX 的一个网络模型。以增强易用性和减轻服务器压力为目的。
作者:Luin(http://hi.baidu.com/luin)
*/
/**
* download url lite
*
* @author: legend(legendsky@hotmail.com)
* @link: http://www.ugia.cn/?p=122
* @version: 1.0
*
* @param string url
* @param string callback 回调函数
* @param string data post数据
*
* @return void
*/
function initUrl(url){
url += url.indexOf("?") >= 0 ? "&" : "?";
url += "random_download_url=" + Math.random();
return url;
}
function downloadUrl(url, callback, data)
{
// init
url = initUrl(url);
if (typeof data == 'undefined')
var data = null;
method = data ? 'POST' : 'GET';
// create XMLHttpRequest object
if (window.XMLHttpRequest)
var objXMLHttpRequest = new XMLHttpRequest();
else
{
var MSXML = ['MSXML2.XMLHTTP.6.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP.5.0', 'MSXML2.XMLHTTP.4.0', 'MSXML2.XMLHTTP', 'Microsoft.XMLHTTP'];
for(var n = 0; n < MSXML.length; n ++)
{
try
{
var objXMLHttpRequest = new ActiveXObject(MSXML[n]);
break;
}catch(e){}
}
}
// send request
with(objXMLHttpRequest)
{
try
{
open(method, url, true);
if (method == 'POST')
setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
send(data);
}catch(e){}
// on ready
onreadystatechange = function()
{
if (objXMLHttpRequest.readyState == 4)
{
callback(objXMLHttpRequest.responseText, objXMLHttpRequest.status);
Scroller.load();
delete(objXMLHttpRequest);
}
}
}
}
var CDefURL="catalog.doo?l=1&p=1!catalog.doo?l=2&p=1";
var LeftURL="",RightURL="",GuestbookURL="";
//左面的地址，右面的地址
var LeftPageNum=1,RightPageNum=1;GuestPageNum=1;
//左面当前的页码，右面当前的页码,留言板当前页码
/*
ExtractURL("#"后面的全部内容（包括!）)
将全部网站分解成左右两个网址(定义在全局变量)
*/
function ExtractURL(FullURL){
LeftURL=""; RightURL=""; GuestbookURL="";
var guestbookPageName="guestbook.doo?p=";
var pagep="&p="
if (FullURL.indexOf("!")==-1){
if(isNaN(FullURL.substr(guestbookPageName.length))==false){//guestbook
GuestbookURL=FullURL;
//更新当前页数
if(isNaN(GuestbookURL.substr(guestbookPageName.length))==false){GuestPageNum=GuestbookURL.substr(guestbookPageName.length)};
}
}else{
var tmpstr=FullURL.split("!");
LeftURL=tmpstr[0];
RightURL=tmpstr[1];
//更新当前页数
if(LeftURL.indexOf(pagep)!=-1){
LeftPageNum=LeftURL.substr(LeftURL.indexOf(pagep)+pagep.length);
}
if(RightURL.indexOf(pagep)!=-1){
RightPageNum=RightURL.substr(RightURL.indexOf(pagep)+pagep.length);
}
}
}
/*
AnalyzeURL(单独的网址)
返回给定网址的真实地址并更新页码
*/
function AnalyzeURL(URL,tag){
if (URL.indexOf(".doo")!=-1){
SetPagesList(1,tag);
return URL.replace(".doo",".php");
}else{
SetPagesList(0,tag);
return initUrl("read.php")+"&i="+URL;
}
}
/*
GotoWeb("#"后面的全部内容（包括!）)
前进到给定网址
*/
function GotoWeb(FullURL) {
if(FullURL=="") FullURL=CDefURL;
ExtractURL(FullURL);
if(LeftURL!=""){
var content="", boht = document.getElementById(LeftURL);
if(boht!=null) content=document.getElementById(LeftURL).innerHTML;
else content="";
// 给出提示，正在载入
ShowLoading(content,"LWM1");
downloadUrl(AnalyzeURL(LeftURL,"LWM1"), function (data, responseCode) {
document.getElementById("LWM1").innerHTML=data;
});
}
if(RightURL!=""){
var content="", boht = document.getElementById(RightURL);
if(boht!=null) content=document.getElementById(RightURL).innerHTML;
else content="";
// 给出提示，正在载入
ShowLoading(content,"LWM2");
downloadUrl(AnalyzeURL(RightURL,"LWM2"), function (data, responseCode) {
document.getElementById("LWM2").innerHTML=data;
});
}
if(GuestbookURL!=""){
var content="";
hidetoolbar('Blog');showtoolbar('Guestbook');
// 给出提示，正在载入
ShowLoading(content,"LWMGuestbook");
downloadUrl(AnalyzeURL(GuestbookURL,"LWMGuestbook"), function (data, responseCode) {
document.getElementById("LWMGuestbook").innerHTML=data;
});
}
//更新地址栏
if(GuestbookURL!=""){
document.location.hash=GuestbookURL;
document.title="留言板 - pIg & cAt's blog ";
}else{
LeftCurrentURL=LeftURL;
RightCurrentURL=RightURL;
if ((document.location.hash!=null)&&(document.location.hash!=""))
{
ExtractURL(document.location.hash.slice(1));
if(LeftCurrentURL=="") LeftCurrentURL=LeftURL;
if(RightCurrentURL=="") RightCurrentURL=RightURL;
}
if ((LeftCurrentURL+"!"+RightCurrentURL)==CDefURL)
document.location.hash="";
else
document.location.hash=LeftCurrentURL+"!"+RightCurrentURL;
document.title=" pIg & cAt's blog ";
}
}
/*
GotoURL(单独的网址，框架编号)
令给定框架前进到给定网址，并更新当前浏览网址
*/
function GotoURL(URL,tag){
// 给出提示，正在搜索
ShowLoading("",tag);
downloadUrl(AnalyzeURL(URL,tag), function (data, responseCode) {
document.getElementById(tag).innerHTML=data;
});
}
/*
ShowLoading(初始内容,框架编号)
令给定框架显示载入状态
*/
function ShowLoading(content,tag){
var boht = document.getElementById(tag);
if ((tag=="LWM1")||(tag=="LWM2")){
boht.innerHTML=''+content+'
内容正在加载，请稍候片刻...
'+
'
'+
'*若长时间不能载入，请
刷新本页面。
'+content+'
内容正在加载，请稍候片刻...
'+
'
'+
'*若长时间不能载入，请
刷新本页面。