下面贴出使用迅雷下载的webThunderDetect.js源码:

function _xlThunderQtyPV(){try{vhref = "http://analytics-union.xunlei.com/PV?peerid=0&uri=http://thunderqtypv.union.xunlei.com&src=" + document.domain;image1 = new Image(1,1);image1.src=vhref;} catch(e) { }}

_xlThunderQtyPV();

var selectThunderType = "coWebThunder";  //default download client type //var selectThunderType = "coThunder5"; var mustBeSelectedThunder = false;  var thunder_isOpenNewWindow = 10;

isFun   = function(a){ return typeof a == "function"; }; isNull   = function(a){ return typeof a == "object" && !a; }; isNumber = function(a){ return typeof a == "number" && isFinite(a);}; isObject = function(a){ return (a && typeof a == "object") || isFun(a);}; isString = function(a){ return typeof a == "string";}; isArray  = function(a){ return isObject(a) && a.constructor == Array; }; isUndef  = function(a){ return typeof a == "undefined";}; DoNothing = function(){};

/* Decode the refrence URL */ function Decode(str){  str = str.replace(/&lt/g,"<");  str = str.replace(/&gt/g,">");  str = str.replace(/&amp/g,"&");  str = str.replace(/&quot/g,"/"");  str = str.replace(/&apos/g,"/'");  str = str.replace(/<br>/g,"/n");  return str; }

function OnDownloadClick_Company(sDownloadURL,sResName, sRefPage, sPid, isOpenNewWindow, sType,selectType,sCompany) {    Thunder.companySetup(sCompany,sPid);

 OnDownloadClick(sDownloadURL,sResName, sRefPage, sPid, isOpenNewWindow, sType,selectType);  return false; } function OnDownloadClick(sDownloadURL,sResName, sRefPage,sPid,isOpenNewWindow,sType,selectType){

 sPid=sPid?sPid:"";if(sType=="07") sPid="g"+sPid;     sResName="";  Thunder.infoType=10;  Thunder.pId=sPid?sPid:"";  try{   if(selectThunderType=='coWebThunder'){    selectType=3   }else if(selectThunderType=='coThunder5'){    selectType=4   }  }catch(e){   if(selectType && !isNaN(selectType)) selectType=Number(selectType);       }  if(selectType==3 || selectType==4){Thunder.thunderType=selectType;  //if(selectType==3) Thunder.mustUseSelected=true;  }    if(typeof(isOpenNewWindow)!="boolean"){   if(isNaN(isOpenNewWindow)) isOpenNewWindow=undefined; else isOpenNewWindow=Number(isOpenNewWindow);   if(isOpenNewWindow!=2 && isOpenNewWindow!=10) isOpenNewWindow=undefined;    }    if((isOpenNewWindow==true ||isOpenNewWindow==10) && isOpenNewWindow!=undefined)    Thunder.isOpenNew=true;  else if((isOpenNewWindow==false ||isOpenNewWindow==2) && isOpenNewWindow!=undefined)   Thunder.isOpenNew=false;

 return Thunder.download(sDownloadURL,sRefPage,sResName,sResName); }

function OnDownloadClick_Simple(linkObj,isOpenNewWindow,selectType) {  var sDownload = linkObj.getAttribute("thunderHref");  //var sResName = linkObj.getAttribute("thunderResTitle");     var sResName ="";  var sRefPage = location.href;  var sPid = linkObj.getAttribute("thunderPid");  var sType = linkObj.getAttribute("thunderType");  var sCompany= linkObj.getAttribute("CompanyName");

 if (sCompany)   Thunder.companySetup(sCompany,sPid);

 sPid=sPid?sPid:"";  if(sType=="07") sPid="g"+sPid; 

 var selThunder,openNew;    try{   if(selectThunderType=='coWebThunder'){    selThunder=3   }else if(selectThunderType=='coThunder5'){    selThunder=4   }  }catch(e){   if(isOpenNewWindow){    switch(isOpenNewWindow)    {     case 3: case 4:      selThunder=isOpenNewWindow;    }   } 

  if(!selThunder){

   if (!isNaN(selectType) && selectType){            selectType=Number(selectType);   

    if(selectType==3 || selectType==4)      selThunder=selectType;    }   }  }

 var oldTType,oldTOpen,oldMustUse;

 oldTType =Thunder.thunderType;  oldMustUse =Thunder.mustUseSelected;  if(selThunder)  {

  Thunder.thunderType=selThunder;   //if(selThunder==3)    //Thunder.mustUseSelected=true;  }   oldTOpen=Thunder.isOpenNew;  Thunder.isOpenNew=((isOpenNewWindow==2)?false:((isOpenNewWindow==1)?true:Thunder.isOpenNew));

 

 Thunder.pId=sPid?sPid:"";  Thunder.download(sDownload,sRefPage,sResName,sResName);    Thunder.thunderType  =oldTType;  Thunder.isOpenNew  =oldTOpen;  Thunder.mustUseSelected =oldMustUse;

 return false; }

function ThunderNetwork_SetHref(linkObj) {  var tDownloadURL = linkObj.getAttribute("thunderHref");  linkObj.href = tDownloadURL; }

function ThunderNetwork_UnsetHref(linkObj) {  linkObj.href = "JavaScript:;"; }

// webthunder_G.js // interface: OpenAddTask // 5-23-2006 // for portal.xunlei.com // need Thunder Server Version 1.0.1.22 at least

/* Call WebThunder Add Task Panel ** Parameters ** szParam [IN]  string specifies the download url , resource title and refrence url, split by {/r*/r} ** Return Values ** int ** If call panel successfully  return  0 ** If call panel failed        return  1    ** If ThunderServer uninstall  return  2 */

/* Decode the refrence URL */

 

var Class = {  create: function(){   return function(){    this.initialize.apply(this, arguments);   }  },   extend: function(destination, source){   for (property in source) {       destination[property] = source[property];     }    return destination;  } } var Delegate = {  create: function (obj, func){   var f = function() {    var target = arguments.callee.target;    var func = arguments.callee.func;    return func.apply(target, arguments);   }   f.target = obj;   f.func = func;   return f;  } };

/*Language info*/ var thunderLanguage=[]; thunderLanguage["WebThunderSetUpInfo"] =unescape("%u6B64%u94FE%u63A5%u4E3A%u8FC5%u96F7%u4E13%u7528%u4E0B%u8F7D%u901A%u9053%uFF0C%u5FC5%u987B%u5B89%u88C5WEB%u8FC5%u96F7%u624D%u80FD%u8FDB%u884C%u4E0B%u8F7D%uFF0C%u5B89%u88C5%u540E%u8BF7%u91CD%u65B0%u8FDB%u5165%u6B64%u9875%u8FDB%u884C%u4E0B%u8F7D%u3002%u5F3A%u70C8%u5EFA%u8BAE%u60A8%u5B89%u88C5web%u8FC5%u96F7%uFF0C%u4F53%u9A8C%u6025%u901F%u4E0B%u8F7D%u7684%u4E50%u8DA3%uFF01%u70B9%u51FB%u786E%u5B9A%u5373%u523B%u5B89%u88C5web%u8FC5%u96F7"); thunderLanguage["Thunder5SetUpInfo"] =unescape("%u6B64%u94FE%u63A5%u4E3A%u8FC5%u96F7%u4E13%u7528%u4E0B%u8F7D%u901A%u9053%uFF0C%u5FC5%u987B%u5B89%u88C5WEB%u8FC5%u96F7%u624D%u80FD%u8FDB%u884C%u4E0B%u8F7D%uFF0C%u5B89%u88C5%u540E%u8BF7%u91CD%u65B0%u8FDB%u5165%u6B64%u9875%u8FDB%u884C%u4E0B%u8F7D%u3002%u5F3A%u70C8%u5EFA%u8BAE%u60A8%u5B89%u88C5web%u8FC5%u96F7%uFF0C%u4F53%u9A8C%u6025%u901F%u4E0B%u8F7D%u7684%u4E50%u8DA3%uFF01%u70B9%u51FB%u786E%u5B9A%u5373%u523B%u5B89%u88C5web%u8FC5%u96F7"); thunderLanguage["AllSetUpInfo"]   =unescape("%u6B64%u94FE%u63A5%u4E3A%u8FC5%u96F7%u4E13%u7528%u4E0B%u8F7D%u901A%u9053%uFF0C%u5FC5%u987B%u5B89%u88C5WEB%u8FC5%u96F7%u6216%u8FC5%u96F75%u624D%u80FD%u8FDB%u884C%u4E0B%u8F7D%uFF0C%u5B89%u88C5%u540E%u8BF7%u91CD%u65B0%u8FDB%u5165%u6B64%u9875%u8FDB%u884C%u4E0B%u8F7D%u3002%u5F3A%u70C8%u5EFA%u8BAE%u60A8%u5B89%u88C5web%u8FC5%u96F7%uFF0C%u4F53%u9A8C%u6025%u901F%u4E0B%u8F7D%u7684%u4E50%u8DA3%uFF01%u70B9%u51FB%u786E%u5B9A%u5373%u523B%u5B89%u88C5web%u8FC5%u96F7"); thunderLanguage["MethodUnSupported"] =unescape("%u4E0D%u652F%u6301%u6B64%u65B9%u6CD5%uFF0C%u8BF7%u5B89%u88C5%u6700%u65B0%u7684%u8FC5%u96F7%u5BA2%u6237%u7AEF"); thunderLanguage["FFDenied"] =unescape("%u6B64%u64CD%u4F5C%u88AB%u6D4F%u89C8%u5668%u62D2%u7EDD%uFF01%0A%u8BF7%u5728%u6D4F%u89C8%u5668%u5730%u5740%u680F%u8F93%u5165%u201Cabout%3Aconfig%u201D%u5E76%u56DE%u8F66%0A%u7136%u540E%u5C06%5Bsigned.applets.codebase_principal_support%5D%u8BBE%u7F6E%u4E3A%27true%27");

var Thunder = {  isIE:(navigator.userAgent.indexOf('MSIE')>0),  isOpenNew:null,  infoType:0,  thunderType:0,   mustUseSelected:null,  pId:"",  judgeThunder:function(sid){    var webcop = [];    sid=sid?sid:this.pId;

  if(webcop[sid]==1){    return 3;       }   else    return false;

 },  getInstance: function(th){        /*Get download style*/   if(this.isOpenNew==null)    try{this.isOpenNew=(thunder_isOpenNewWindow==10?true:false)}catch(e){}

  if(this.mustUseSelected==null)    try{this.mustUseSelected=mustBeSelectedThunder;}catch(e){this.mustUseSelected=false;}   /*Get download client type*/   if(this.judgeThunder()){    this.thunderType=this.judgeThunder()    this.mustUseSelected=true;   }else{    if(!this.thunderType)    {     try{      switch(selectThunderType)      {       case "coThunder5":        this.thunderType=4;        break;       case "coWebThunder":       default:        this.thunderType=3;      }     }catch(e){this.thunderType=3;this.mustUseSelected=false;}    }else{         }   }

  if(this.isIE){       var begi,endi;          if(this.thunderType==3) begi=0; else begi=1;    if(this.mustUseSelected) endi=begi; else endi=1-begi;    var strEx="i++";strJudge="i<=endi";    if(endi<begi){strEx="i--";strJudge="i>=endi";}    var opt = [Thunder.WebThunder,Thunder.Thunder5];    for(var i=begi;eval(strJudge);eval(strEx))    {           var tmpObj=opt[i].getInstance();         if(tmpObj!=null)      return tmpObj;     else      continue;    }

  }else{

   var oAtmp=Thunder.ffThunder.getInstance();       if(oAtmp){     var clientType=oAtmp.getClientType();

    //No client has been seted up     if(clientType==0) return null;     if(this.mustUseSelected){           if((this.thunderType==4 && clientType==2)||(this.thunderType==3 && clientType==1))       oAtmp=null         }else{          }    }    return oAtmp;   }   return null;    },   companySetup:function(sCompany,sPid){   try {    sPid=sPid?sPid:this.pId;

           vhref = "http://analytics.xunlei.com/PV?peerid=" + sPid + "&uri=" + sCompany + "&src=" + document.location.href + "&screensize=" +window.screen.width +"*" +window.screen.height;            image1 = new Image(1,1);            image1.src = vhref;          }catch(e){}  },  setParameter: function(cid, url, refer, stat){      cid=cid?cid:this.pId;      var inputs = ["thunder_cid", "thunder_down_url", "thunder_down_pageurl", "thunder_stat_pageurl"];   var input;   for (var i=0; i<inputs.length; i++){    if (isUndef(input = $(inputs[i]))){     input = document.createElement("input");     input.type = "hidden";     input.id = inputs[i];     document.body.appendChild(input);    }    input.value = arguments[i];   }  },    download: function( url, refer, name, stat,cid){    var client;    client=this.getInstance();        this.pId=this.pId?this.pId:(cid?cid:"");    cid=cid?cid:this.pId;   if(!client){          if(!this.isIE && (client==0)){}else{this.showSetUpInfo(cid);}   }else{         if (this.isIE)    {         client.download(cid, url, refer, name, stat);    }else{     switch(this.thunderType){      case 4:       client.download(cid, url, refer, name, stat,1);       break;      case 3: default:       client.download(cid, url, refer, name, stat,2);           }          }       }   return false;  },   openWindow:function(url,flag){       var s=flag?flag:false;

  if(!this.isOpenNew)   {    var Info;    if(this.mustUseSelected)    {     if(this.thunderType==3)      Info=thunderLanguage["WebThunderSetUpInfo"];     else      Info=thunderLanguage["Thunder5SetUpInfo"];    }else{     Info=thunderLanguage["AllSetUpInfo"];    }   }      //Open a dialogbox which tell user to setup thunder client   if(Info) alert(Info);

  if(this.infoType == 10 && !s)    top.location.href =url;   else    window.open(url,"WEBTHUNDER_SET_UP");  },    showSetUpInfo:function(pid){   var url;      pid=pid?pid:this.pId;   if(this.isOpenNew){    //Goto thunder download page    if(pid.substr(0,1)=="g")     url="http://my.xunlei.com/setup.htm?gid=g"+pid;    else     url="http://cop.my.xunlei.com/setup/index.html?pid="+ pid;      }else{    if(this.isIE)    {     if(this.mustUseSelected)     {      if(this.thunderType==3)       url="http://ftp.union.sandai.net/webthunder/union/webxl_g"+pid+".exe";      else       url="http://ftp.union.sandai.net/webthunder/union/webxl_g"+pid+".exe";     }else{      url="http://ftp.union.sandai.net/webthunder/union/webxl_g"+pid+".exe";     }    }else{     if(this.mustUseSelected)     {      if(this.thunderType==3)       url="http://ftp.union.sandai.net/webthunder/union/webxl_g"+pid+".exe";      else       url="http://ftp.union.sandai.net/webthunder/union/webxl_g"+pid+".exe";     }else{      url="http://ftp.union.sandai.net/webthunder/union/webxl_g"+pid+".exe";     }    }   }   this.openWindow(url);     } }

Thunder.WebThunder = Class.create(); Thunder.WebThunder.getInstance = function(){

 if (isUndef(this._thunder))  {   //Web app initialized here   try{    this._thunder = new Thunder.WebThunder();          }catch(e){    this._thunder=null;   }  } 

 return this._thunder; } Thunder.WebThunder.prototype = {   initialize: function(){    try{    this.__thunder = this.getThunder();   }catch(e){    throw(e);   }  },  getThunder:function(){   try{    return new ActiveXObject("ThunderServer.webThunder.1");   }catch(e){    throw(e);   }  },   /*get server build version*/  getVersion: function(){   return parseInt(this.__thunder.GetVersion().split(".")[3]);  },    download: function(cid,url,refer,name,stat){    if ((url.indexOf("mms://") != -1) || (url.indexOf("rtsp://")!= -1))   {    return true;   }else{      this.__thunder.CallAddTask(Decode(url),Decode(stat),Decode(refer),1, "", Decode(name));       return false;   }

 } }

Thunder.Thunder5 = Class.create(); Thunder.Thunder5.getInstance = function(){  if (isUndef(this._thunder))  {   try{    this._thunder = new Thunder.Thunder5();}   catch(e){    this._thunder = null;}  }  return this._thunder; } Thunder.Thunder5.prototype = {  initialize: function(){   try{    this.__thunder = new ActiveXObject("ThunderAgent.Agent.1");   }catch(e){throw(e);}  },    download: function(cid, url, refer, name, stat){   try{   

   name=name?name:"";    this.addTask('', url, refer, name, stat);    this.commitTasks();   }catch(e){    alert(e.message);   }  },    addTask: function(cid, url, refer, name, stat){   var _addTask = [    Delegate.create(this, function(){this.__thunder.AddTask4(url, "", "", name, refer, -1, 0, -1, document.cookie, cid, stat);}),    Delegate.create(this, function(){this.__thunder.AddTask3(url, "", "", name, refer, -1, 0, -1, document.cookie, cid);}),    Delegate.create(this, function(){this.__thunder.AddTask2(url, "", "", name, refer, -1, 0, -1, document.cookie);}),    Delegate.create(this, function(){this.__thunder.AddTask(url, "", "", name, refer, -1, 0, -1);})   ];   for (var i=0; i<_addTask.length; i++){    try{     _addTask[i]();     return;    }catch(e){     }   }   throw thunderLanguage["MethodUnSupported"];  },    commitTasks: function(){   var _commitTasks = [    Delegate.create(this, function(){this.__thunder.CommitTasks2(1);}),    Delegate.create(this, function(){this.__thunder.CommitTasks();})   ];   for (var i=0; i<_commitTasks.length; i++){    try{     _commitTasks[i]();     return;    }catch(e){    }   }   throw thunderLanguage["MethodUnSupported"];  } }

Thunder.ffThunder= Class.create(); Thunder.ffThunder.getInstance=function(){     if(isUndef(this._thObj) || this._thObj==0){    //thunder Object for firefox initialized here    try{     netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");          try{      this._thObj = new Thunder.ffThunder();}        catch(e){      this._thObj = null;     }    }catch(e){     alert(thunderLanguage["FFDenied"]);     this._thObj = 0;    }      }   return this._thObj; } Thunder.ffThunder.prototype={   initialize:function(){      if(isUndef(this.__thObj)){     try{      netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");          }catch(e){      this.__thObj = '';     }     try{      this.__thObj = Components.classes["@xunlei.com/ThunderLoader;1"].createInstance();      this.__thObj = this.__thObj.QueryInterface(Components.interfaces.IThunderDownload);            }catch(err){           throw(err);     }         }

   return this.__thObj;   },   getClientType:function(){      netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");    if(!isUndef(this.__thObj))    {              return this.__thObj.GetThunderClientInfo();    }else{     return 0;    }   },   getVersion:function(t){    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");    if(!isUndef(this.__thObj))    {     var ct=this.__thObj.getClientType();     t=t?t:ct;          switch(t)     {      case 2:      case 3:       return this.__thObj.GetClientBuildVersion(1);       break;      case 1:       return this.__thObj.GetClientBuildVersion(2);         }         }    return "";      },   download:function(cid,url,refer,name,stat,type){    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");    type=type?type:2;          var stype=this.getClientType();       if(stype==3) stype=type;    if(stype==1) cid='';    name=name?name:"";    stat=stat?stat:"";    this.__thObj.CallThunderClient(stype,url,refer,stat,"",name,cid,document.cookie);   } }

download.jsp页面中使用  download.jsp <script src="webThunderDetect.js"></script> <a href="#" οnclick="javascript:window.location.href('download_do.jsp?id=<%=id%>')">直接下载</a><img src="img/IcoAdress.gif" width="12" height="12" /></div> <a href="#" thunderHref=<%="http://"+request.getServerName()+":"+request.getServerPort()+"/"%>download_do.jsp?id=<%=id %> thunderPid="00754" thunderType=""  onClick="return OnDownloadClick_Simple(this,2,4)" οncοntextmenu="ThunderNetwork_SetHref(this)">[使用迅雷高速下载]</a>

download_do.jsp 下载页(可以略过,分判断这个下载的资源是本地的,d:/....,还是上传的,然后下载的方法不同;判断是否登陆;和文件是否存在,才可以下载) <%@page contentType="text/html;charset=UTF-8" import="java.util.*"%> <%@ page import="my.bean.*"%> <%@ page import="java.io.*"%> <%@ page import="com.jetsum.manager.*,com.jetsum.util.*"%> <%@ page import="com.pp.db.DBOperate"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html>   <head>     <base href="<%=basePath%>">      <title>下载</title>   <meta http-equiv="pragma" content="no-cache">  <meta http-equiv="cache-control" content="no-cache">  <meta http-equiv="expires" content="0">     <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">  <meta http-equiv="description" content="This is my page">  <!--  <link rel="stylesheet" type="text/css" href="styles.css">  -->

</head>   <body>    <%    String  location="";    if(request.getParameter("location")!=null)    {   location= request.getParameter("location");    }      String id=request.getParameter("id");       DBOperate dbo=new DBOperate();     String hql4="from Source_inf where id="+id;   List inflist=(List)dbo.findSQLHibernate(hql4,1);      Source_inf inf1=new Source_inf();         if(inflist.size()>0){       inf1=(Source_inf)inflist.get(0);}      String src=new String(inf1.getFilesrc().getBytes("iso-8859-1"),"gb2312");     // System.out.println(src);    if(location==null||location.equals("")){    %>      <script>    var file ="<%=src%>";  var pattern =/[A-Za-z]/:[^/:/?/"/>/</*]*/; 　flag = pattern.test(file); 　//是d:/  ...代表本地的 if(!flag) {   window.location.href="download_do.jsp?location=no&id=<%=id%>"; }　　  　else  { window.location.href="download_do.jsp?location=yes&id=<%=id%>";  }   </script>   <%   }

  if(location.equals("no"))//不是本地的,是上传的   {      String filesrcsss="/uploadfiles/";  filesrcsss = request.getRealPath(filesrcsss);     if(!PubFunc.fileExists(filesrcsss+"/"+inf1.getFilesrc())){     //System.out.println(filesrcsss+"/"+inf1.getFilesrc());       out.println("<script>");       out.println("alert('该文件已不存在！');");          //out.println("window.history.go(-1)");           out.println("window.location.href='/index.jsp'");        out.println("</script>");       return;    }       if(session.getAttribute("member")==null){     out.println("<script>");       out.println("alert('请注册成会员,现在所有的资源都可以免费下载！');");       out.println("window.location.href='/index.jsp'");        out.println("</script>");         return;  }  //计数   dbo.AddCount(id);    out.println("<script>");    out.println("document.location='http://"+request.getServerName()+"/uploadfiles/"+inf1.getFilesrc()+"';");                         //下载了       out.println("</script>");   }        if(location.equals("yes"))//是本地的下载资源   {   if(!PubFunc.fileExists(src)){       out.println("<script>");       out.println("alert('该文件已不存在！');");        // out.println("window.history.go(-1)");            out.println("window.location.href='/index.jsp'");             out.println("</script>");       return;    }   if(session.getAttribute("member")==null){     out.println("<script>");       out.println("alert('请注册成会员,现在所有的资源都可以免费下载！');");       out.println("window.location.href='/index.jsp'");        out.println("</script>");         return;  }  //计数   dbo.AddCount(id);  // response.sendRedirect(src); //response.sendRedirect("F://sdd//404.jpg"); out.clearBuffer(); // 如果使用JSP,需要加上这一句 OutputStream os = response.getOutputStream(); // 页面输出流，jsp/servlet都可以 String filename=src;    int lastdot = filename.lastIndexOf("/");   String name2 = filename.substring(lastdot);    String downname=filename.substring(lastdot+1); //下载的时候显示出什么名字 response.addHeader("Content-Disposition", new String(("attachment; filename=" + downname).getBytes("GBK"), "ISO-8859-1")); // 针对中文文件名 File f = new File(filename); // 你的文件 InputStream is = new FileInputStream(f); // 文件输入流 byte[] bs = new byte[1024];  // 读取缓冲区 int len; while((len=is.read(bs))!=-1){ // 循环读取   os.write(bs,0,len); // 写入到输出流  下载了 } is.close();  // 关闭 os.close(); // 关闭   }   %>   </body> </html>