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ASP 中的 使用Flash DownLoad编写采集器(之突破防盗连下载音乐文件)
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-10-12 浏览: 174 ::
收藏到网摘: n/a
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<title>Flash DownLoad 下载控件示例</title>
<meta name="MSSmartTagsPreventParsing" content="TRUE">
<meta http-equiv="MSThemeCompatible" content="Yes">
<style type="text/css">
body {
scrollbar-base-color: #F5FBFF;
scrollbar-arrow-color: #86B9D6;
font: 12px Tahoma, Verdana;
background-color: #FFFFFF;
color: #333333;
}
table {
font: 12px Tahoma, Verdana;
color: #333333;
empty-cells: show;
border-collapse: separate !important;
border-collapse: collapse;
}
input, select, textarea {
font: 12px Tahoma, Verdana;
color: #333333;
font-weight: normal;
background-color: #F5FBFF;
border: 1px solid #7AC4EA;
}
input {
height: 21px;
}
a {
text-decoration: none;
color: #154BA0;
}
a:hover {
text-decoration: underline;
}
.checkbox, .radio {
border: 0px;
background: none;
vertical-align: middle;
height: 16px;
}
</style>
</head>
<BODY>
<Script Language="JavaScript">
/********************************************************
* ProgressBar class
* @author null
* @param width - width of progress bar
* @param height - height of progress bar
* @param fgColor - fgColor of progress bar
* @param bgColor - bgColor of progress bar
* @param borderColor - borderColor of progress bar
the rule is the same border-color of CSS
/********************************************************/
function ProgressBar(width,height,fgColor,bgColor,borderColor){
if(borderColor==undefined){
bgColor = "threedlightshadow";
fgColor = "highlight";
borderColor = "buttonshadow window window buttonshadow";
}
else if(borderColor==undefined&&fgColor==undefined&&bgColor==undefined){
bgColor = "threedlightshadow";
fgColor = "highlight";
borderColor = "buttonshadow window window buttonshadow";
}
percent = 0.0; //initialize to zero
fontSize = Math.ceil(height/2)+1;
font_bt = "<table width=100% height=100% cellpadding=0 cellspacing=0 style='font:bold "+fontSize+"px Arial;color:"+bgColor+";text-align:center;vertical-align:center;'><tr><td>"+parseInt(percent*100)+" %</td></tr></table>";
font_ft = "<table width=100% height=100% cellpadding=0 cellspacing=0 style='font:bold "+fontSize+"px Arial;color:"+fgColor+";text-align:center;vertical-align:center;'><tr><td>"+parseInt(percent*100)+" %</td></tr></table>";
squares = "";
for(var i=0;;i++){
var left = width-2-i*(height/2+1);
//alert(left);
if(left>=height/2+1){
squares += "<span style='background-color:"+fgColor+";width:"+height/2+"px;height:"+(height-2)+";margin-right:1px;'></span>";
}
else if(left>=1){
squares += "<span style='background-color:"+fgColor+";width:"+left+"px;height:"+(height-2)+";margin:0px;'></span>";
}
else
break;
}
//position:absolute;
str = "<span id=progress_bg style='width:"+width+"px;height:"+height+"px;background-color:"+bgColor+";border:1px solid;border-color:"+borderColor+"'>"; //"+fgColor+" #transparent
str += " <span id=progress_fg style='position:absolute;width:100%;height:100%;clip:rect(0,"+parseInt(percent*100)+"%,100%,0);background-color:"+fgColor+";font-size:0px;line-height:0px;'>";
str += squares;
str += " </span>";
str += " <span id=progress_bt style='position:absolute;z-index:8;width:100%;height:100%;background-color:#transparent;clip:rect(0,"+parseInt(percent*100)+"%,100%,0);text-align:center;'>";
str += font_bt;
str += " </span>";
str += " <span id=progress_ft style='position:absolute;z-index:9;width:100%;height:100%;background-color:#transparent;clip:rect(0,100%,100%,"+parseInt(percent*100)+"%);text-align:center;'>";
str += font_ft;
str += " </span>";
str += "</span>";
document.write(str);
function update(){
font_bt = "<table width=100% height=100% cellpadding=0 cellspacing=0 style='font:bold "+fontSize+"px Arial;color:"+bgColor+";text-align:center;vertical-align:center;'><tr><td>"+parseInt(percent*100)+" %</td></tr></table>";
font_ft = "<table width=100% height=100% cellpadding=0 cellspacing=0 style='font:bold "+fontSize+"px Arial;color:"+fgColor+";text-align:center;vertical-align:center;'><tr><td>"+parseInt(percent*100)+" %</td></tr></table>";
document.getElementById("progress_fg").style.clip='rect(0,'+parseInt(percent*100)+'%,100%,0)';
document.getElementById("progress_bt").style.clip='rect(0,'+parseInt(percent*100)+'%,100%,0)';
document.getElementById("progress_ft").style.clip='rect(0,100%,100%,'+parseInt(percent*100)+'%)';
document.getElementById("progress_bt").innerHTML=font_bt;
document.getElementById("progress_ft").innerHTML=font_ft;
}
this.setModel=function(model){
percent = model;
update();
}
}
</script>
<OBJECT id="FDown" CLASSID="CLSID:96561482-93D7-4C2F-BB4A-11CED3C9915D" CODEBASE="FDownload.CAB#version=1,0,0,40" style="display:none;"></OBJECT>
<br />
<fieldset>
<legend>采集设置</legend>
<table width="100%" style="border: none;">
<tr width="100%">
<td width="15%" align="right">专辑地址：</td>
<td width="85%"><input type="text" name="SpecialURL" value="http://www.520music.com/MusicList/520music.com_5887.htm" style="width:360px;"></td>
</tr>
<tr width="100%">
<td width="15%" align="right">保存路径：</td>
<td width="85%"><input type="text" name="SavePath" value="d:\Spacial" style="width:200px;"></td>
</tr>
<tr width="100%">
<td width="15%" align="right">专辑名称：</td>
<td width="85%"><input type="text" name="SpecialName" value="" style="width:200px;"></td>
</tr>
<tr width="100%">
<td width="15%" align="right">歌手名称：</td>
<td width="85%"><input type="text" name="SinGer" value="" style="width:200px;"></td>
</tr>
<tr width="100%">
<td width="15%" align="right">唱片公司：</td>
<td width="85%"><input type="text" name="GongSi" value="" style="width:200px;"></td>
</tr>
<tr width="100%">
<td width="15%" align="right">专辑语种：</td>
<td width="85%"><input type="text" name="YuYan" value="" style="width:200px;"></td>
</tr>
<tr width="100%">
<td width="15%" align="right">发行时间：</td>
<td width="85%"><input type="text" name="Times" value="" style="width:200px;"></td>
</tr>
<tr width="100%">
<td width="15%" align="right">专辑图片：</td>
<td width="85%"><input type="text" name="PIC" value="" style="width:360px;"></td>
</tr>
<tr width="100%">
<td width="15%" align="right">专辑介绍：</td>
<td width="85%"><textarea rows="7" cols="10" name="remark" style="width: 100%; height: 120px; word-break: break-all" tabindex="2"></textarea></td>
</tr>
</table>
</fieldset>
<br />
<fieldset>
<legend>Flash DownLoad 1.2.0</legend>
<table width="100%" style="border: none;">
<tr width="100%">
<td width="15%" align="right">下载文件：</td>
<td width="85%"><span id="DownForm"></span></td>
</tr>
<tr width="100%">
<td width="15%" align="right">保存路径：</td>
<td width="85%"><span id="DownTo"></span></td>
</tr>
<tr width="100%">
<td width="15%" align="right">下载进度：</td>
<td width="85%"><span id="DownLoading"></span></td>
</tr>
<tr width="100%">
<td width="15%" align="right">下载速度：</td>
<td width="85%"><span id="DownSpeed"></span></td>
</tr>
<tr width="100%">
<td width="15%" align="right">下载状态：</td>
<td width="85%"><span id="DownState"></span></td>
</tr>
<tr width="100%">
<td width="15%" align="right">进度条：</td>
<td width="85%"><span id="ProBar" width="100%"><script>ww = ((document.body.offsetWidth/100)*85);var pb = new ProgressBar(ww,18,"navy","#FFFFFF","#8e8e8e");</script></span></td>
</tr>
</table>
</fieldset>
<br />
<Script Language="VBScript">
Dim IStr,StrSave,StrCookie
Dim CAIType
Dim MusicBody,MusicNameArr,MusicURLArr,MusicCount,MusicPtr,MusicName,MusicPlayer,MusicURL,MusicSave
Set IStr = CreateObject("IVVN.String")
'msgbox IStr.Version
FDown.BackColor = "#FFFFFF"
FDown.FillColor = "#FFFFFF"
FDown.FrameColor = "#E0E0E0"
'=============================================================================================================================================================
'FDown事件模块 开始
'=============================================================================================================================================================
'下载库通过该函数通知下载状态
Private Sub FDown_Status(ByVal lIndex, ByVal lStatus, ByVal bstrStatusParam)
On Error Resume Next
If blnDStop = True Then
FDown.bStop
Exit Sub
End If
document.getElementById("DownForm").innerText = FDown.Url
If FDown.DownLoadType = dtToFile And FDown.SavePath <> "" And FDown.Filename <> "" Then
document.getElementById("DownTo").innerText = FDown.SavePath & "\" & FDown.Filename
Else
document.getElementById("DownTo").innerText = "抓取数据..."
End If
Dim strMsg
strMsg = "线程" & lIndex + 1 & ":"
If lStatus = 0 Then
strMsg = strMsg & "解析域名 "
ElseIf lStatus = 1 Then
strMsg = strMsg & "获得IP地址 "
ElseIf lStatus = 2 Then
strMsg = strMsg & "连接服务器 "
ElseIf lStatus = 3 Then
strMsg = strMsg & "连接服务器成功 "
ElseIf lStatus = 4 Then
strMsg = strMsg & "重定向到 "
ElseIf lStatus = 5 Then
strMsg = strMsg & "开始接收数据 "
ElseIf lStatus = 6 Then
strMsg = strMsg & "下载结束 "
End If
strMsg = strMsg & bstrStatusParam & vbCrLf
document.getElementById("DownState").innerText = strMsg
End Sub
'下载库通过该事件通知文件下载进度
Private Sub FDown_Progress(ByVal dbFileSize, ByVal dbFinished, ByVal dbSpeed)
On Error Resume Next
If blnDStop = True Then
FDown.bStop
Exit Sub
End If
Dim BFile
Dim BRead
Dim BShare
Dim BSpeed
BFile = dbFileSize
BRead = dbFinished
BShare = dbFinished / (dbFileSize / 100)
BSpeed = dbSpeed
If IsNumeric(dbFinished) = True And IsNumeric(dbFileSize) = True Then
BFile = dbFileSize
BRead = dbFinished
BShare = dbFinished / (dbFileSize / 100)
pb.setModel(BRead/BFile)
document.getElementById("DownLoading").innerText = BRead & " of " & BFile & " transferred (" & Round(BShare, 2) & "%)"
End If
If IsNumeric(dbSpeed) = True Then
BSpeed = dbSpeed
document.getElementById("DownSpeed").innerText = "Throughput " & BSpeed & " /s"
End If
End Sub
'下载库通过该事件通知下载过程结束
Private Sub FDown_DownloadEnd(ByVal bSuccess)
On Error Resume Next
Select Case CAIType
Case "C1"
StrBody = FDown.Body
oSpecialName = IStr.RegContent(StrBody,"专辑名称：","</li>")
document.getElementById("SpecialName").value = oSpecialName
oSinGer = IStr.RegContent(StrBody,"歌手名称：","</li>")
document.getElementById("SinGer").value = oSinGer
oGongSi = IStr.RegContent(StrBody,"唱片公司：","</li>")
document.getElementById("GongSi").value = oGongSi
oYuYan = IStr.RegContent(StrBody,"专辑语种：","</li>")
document.getElementById("YuYan").value = oYuYan
oTimes = IStr.RegContent(StrBody,"发行时间：","</li>")
document.getElementById("Times").value = oTimes
oPIC = IStr.RegContent(StrBody,"<div class=""rightcolumn""><div id=""albuminfo""><img src=""",""">")
document.getElementById("PIC").value = oPIC
oremark = IStr.RegContent(StrBody,"<h2>专辑介绍</h2><p>","</p>")
document.getElementById("remark").value = oremark
StrSave = document.getElementById("SavePath").value & "\" & oSinGer & "\" & oSpecialName
CAIType = "C2"
Download_File 0, oPIC, StrSave & "/upload/tech/20091012/20091012012134_fe8c15fed5f808006ce95eddb7366e35.jpg", True, document.getElementById("SpecialURL").value, StrCookie
MusicBody = IStr.RegContent(StrBody,"<form name=form2 target=myplay action=../rd18playlist.htm>","<input name=""chkall2"" onclick=CheckAll(this.form) type=""button"" value=""全 选"" />")
MusicNameArr = IStr.RegContent(MusicBody,"<a href=""../mydown.htm?musicname=",""" target=_blank>",0,True)
MusicNameArr = Split(MusicNameArr,"§")
MusicURLArr = IStr.RegContent(MusicBody,"<input name=""checked"" type=""checkbox"" value=""",""" />",0,True)
MusicURLArr = Split(MusicURLArr,"§")
MusicCount = UBound(MusicURLArr)
CAIType = "C3"
MusicPtr = 0
GetMusic
Case "C3"
StrBody = FDown.Body
MusicURL = "http://wma7.520music.com/20060312/" & IStr.RegContent(StrBody,"document.write(""<PARAM NAME=\""URL\"" VALUE='""+url+""/","'>"")")
MusicSave = StrSave & "\" & MusicPtr+1 & IStr.GetFileExt(MusicURL)
CAIType = ""
StrCookie = Download_Text(0,"http://hi.520music.com/hi.htm", "gb2312", True, MusicPlayer, "")
StrCookie = FDown.Body
StrCookie = IStr.RegContent(StrCookie,"document.cookie=""","; domain=hi.520music.com;")
'MsgBox StrCookie
CAIType = "C4"
Download_File 0, MusicURL, MusicSave, False, document.getElementById("SpecialURL").value, StrCookie
Case "C4"
CAIType = "C3"
MusicPtr = MusicPtr + 1
GetMusic
End Select
If blnDStop = True Then
FDown.bStop
Exit Sub
End If
End Sub
'下载库通过该函数通知下载过程中发生的错误
Private Sub FDown_Error(ByVal lIndex, ByVal lErrorCode)
On Error Resume Next
If blnDStop = True Then
FDown.bStop
End If
document.getElementById("DownState").innerText = lErrorCode
End Sub
'=============================================================================================================================================================
'FDown事件模块 结束
'=============================================================================================================================================================
' ============================================
' 根据路径获取扩展名
' ============================================
Public Function GetFileExt(ByVal FullPath)
On Error Resume Next
Dim pos, pvs
pos = InStrRev(FullPath, ".")
pvs = InStrRev(FullPath, "?") - pos
If pvs < pos Then pvs = InStrRev(FullPath, "?")
If pos > 0 Then
If pvs > 0 Then
GetFileExt = Mid(FullPath, pos, pvs)
Else
GetFileExt = Mid(FullPath, pos)
End If
End If
End Function
'=============================================================================================================================================================
'功能函数模块 开始
'=============================================================================================================================================================
'下载远程URL数据
Function Download_Text(ByVal MetHod, ByVal Url, ByVal Charset, ByVal Async, ByVal Referer, ByVal Cookie)
On Error Resume Next
If Referer = "" Then Referer = Url
FDown.Init
FDown.DownLoadType = 1
FDown.MetHod = MetHod
FDown.Url = Url
FDown.Charset = Charset
FDown.SyncMode = Async
FDown.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1)"
FDown.URLReferer = Referer
FDown.Cookie = Cookie
FDown.FailRetryTimes = 3
FDown.DownLoad
End Function
'下载远程URL文件到本地
Function Download_File(ByVal MetHod, ByVal Url, ByVal SaveFile, ByVal Async, ByVal Referer, ByVal Cookie)
'On Error Resume Next
Dim UserAgent
Dim SavePath
Dim Filename
If Referer = "" Then Referer = Url
SavePath = Mid(SaveFile, 1, InStrRev(SaveFile, "\") - 1)
Filename = Mid(SaveFile, InStrRev(SaveFile, "\") + 1, Len(SaveFile))
Select Case LCase(GetFileExt(Url))
Case ".mp3", ".wma", ".wmv", ".wav", ".avi", ".mpeg", ".mpg", ".mid"
UserAgent = "NSPlayer/10.0.0.3708 WMFSDK/10.0"
Case ".rm", ".rmvb"
UserAgent = "RMA/1.0 (compatible; RealMedia) "
Case Else
UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1)"
End Select
'If FDown.CreateFolders(SavePath & "\" & Filename) = False Then
'Download_File = False
'Exit Function
'End If
FDown.Init
FDown.DownLoadType = 0
FDown.MetHod = MetHod
FDown.Url = Url
FDown.SavePath = SavePath
FDown.Filename = Filename
FDown.SyncMode = Async
FDown.UserAgent = UserAgent
FDown.URLReferer = Referer
FDown.Cookie = Cookie
FDown.FailRetryTimes = 3
Download_File = FDown.DownLoad
End Function
'下载远程URL头部信息
Function Download_Head(ByVal MetHod, ByVal Url, ByVal Async, ByVal Referer, ByVal Cookie, ByVal SAsync)
On Error Resume Next
Dim UserAgent
If Referer = "" Then Referer = Url
DownForm.Caption = Url
Select Case LCase(GetFileExt(Url))
Case ".mp3", ".wma", ".wmv", ".wav", ".avi", ".mpeg", ".mpg", ".mid"
UserAgent = "NSPlayer/9.0.0.2991 WMFSDK/9.0 "
Case ".rm", ".rmvb"
UserAgent = "RMA/1.0 (compatible; RealMedia) "
Case Else
UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1)"
End Select
FDown.Init
FDown.DownLoadType = 1
FDown.MetHod = MetHod
FDown.Url = Url
FDown.SyncMode = Async
FDown.UserAgent = UserAgent
FDown.URLReferer = Referer
FDown.Cookie = Cookie
FDown.FailRetryTimes = 3
Download_Head = FDown.DownLoadHead(Async, SAsync)
End Function
'下载Cookie
Function Download_Cookie(ByVal MetHod, ByVal Url, ByVal Referer, ByVal UserAgent, ByVal Cookie, ByVal N)
On Error Resume Next
If Referer = "" Then Referer = Url
FDown.Init
FDown.DownLoadType = 0
FDown.MetHod = MetHod
Download_Cookie = FDown.DownloadCookie(Url,Referer,UserAgent,Cookie,N)
End Function
'开始采集
Sub StartCai()
CAIType = "C1"
Download_Text 0, document.getElementById("SpecialURL").value, "gb2312", False, "", ""
End Sub
'下载音乐
Sub GetMusic()
If MusicPtr>MusicCount Then
MsgBox "全部下载完成!"
Exit Sub
End If
MusicPlayer = "http://www.520music.com/play/" & MusicURLArr(MusicPtr) & ".htm"
Download_Text 0, MusicPlayer, "gb2312", False, "", ""
End Sub
</Script>
<br />
<input type='button' value=' 开始采集 ' onclick='StartCai()'>
</BODY>
</HTML>
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