用VC做了个简单的浏览器，分析为什么有些MP3网站可以听，却不能下载？欢迎讨论
URL：
http://www.pl58.com/play.asp?songid=9201
HTTP请求：
GET / HTTP/1.1
Host:www.pl58.com
Accept:*/*
User-Agent:Mozilla/4.0
Connection:Keep-Alive
HTTP返回：
HTTP/1.1 200 OK
Date: Sat, 03 Mar 2007 04:14:58 GMT
Content-Length: 32848
Content-Type: text/html
Content-Location: http://www.pl58.com/default.htm
Last-Modified: Fri, 02 Mar 2007 18:42:26 GMT
Accept-Ranges: bytes
ETag: "e0cfd86fa5cc71:87f "
Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET
<html>
<head>
<title> 霹雳舞吧 www.PL58.com dj舞曲 dj歌曲 劲爆DJ 的士高舞曲 DJMTV DJ现场 DJ中文 DJ英文 DJ慢摇 DJ粗口 的士高 DJ音乐网 </title>
<link rel= "stylesheet " rev= "stylesheet " href= "images/index.css " type= "text/css " media= "all " />
</head>
<BODY>
<BODY bgcolor= "#FFFFFF " leftmargin= "0 " topmargin= "0 " marginwidth= "0 " marginheight= "0 ">
div id= "player "> <iframe MARGINWIDTH=0 MARGINHEIGHT=0 HSPACE=0 VSPACE=0 FRAMEBORDER=0 SCROLLING=no src=../play/11bg.htm height=21 width=774> </iframe> </div> <div id= "top "> <div class= "ad_notice "> <div class= "ad "> <iframe src= "http://u.7town.com/Pub/mms/1446/index.html?uid=18590&a=&b=&c=&d=&e=&f= " frameborder= "no " width= "468 " height= "60 " border= "0 " marginwidth= "0 " marginheight= "0 " scrolling= "no "> </iframe> </div> <div class= "notice ">
公告： <a target= "PL58 " href= "xc_2.asp "> <font color= "#FF0000 "> 超炫DJ现场 </font> </a> 、 <a target= "PL58 " href= "my_2.asp "> <font color= "#FF0000 "> 慢摇 </font> </a> 、 <a target= "PL58 " href= "zw_2.asp "> <font color= "#FF0000 "> 中文 </font> </a> 、 <a target= "PL58 " href= "yw_2.asp "> <font color= "#FF0000 "> 英文 </font> </a> 、 <a target= "PL58 " href= "hb_2.asp "> <font color= "#FF0000 "> 包厢嗨曲 </font> </a> 、 <a target= "PL58 " href= "http://www.97ttt.com/ck.asp "> <font color= "#FF0000 "> 粗口DJ </font> </a> 等舞曲专辑
及 <a target= "_blank " href= "yy_2.asp "> <font color= "#FF0000 "> 流行音乐 </font> </a> 已经上传完毕！ <br /> <img src=../images/zhis.gif border=0> 猪年开门红！大家都喜气洋洋，新的1年里霹雳舞吧恭祝大家：新年快乐，心想事成，万事如意！ </font> </div> </div> </div>
<div id= "wenzi "> <img src= "pic/wenzhi.gif " /> </div>
<div id= "content_c "> <div class= "content_bg "> <div class= "poeple "> </div>
<div id= "meun_t2 "> <div id= "meun_c "> <img src= "pic/dj_top.gif " /> </div> <UL> <LI> <span> <img src= "pic/li.gif " /> </span> <a href= "xc_2.asp " target= "PL58 "/> <font color= "#20658E "> 现场舞曲 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a href= "zw_2.asp " target= "PL58 "/> <font color= "#20658E "> 中文舞曲 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a href= "yw_2.asp " target= "PL58 "/> <font color= "#20658E "> 英文舞曲 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a href= "my_2.asp " target= "PL58 "/> <font color= "#20658E "> 慢摇舞曲 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a href= "http://www.97ttt.com/ck.asp " target= "PL58 "/> <font color= "#20658E "> 粗口舞曲 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "PL58 " href= "hb_2.asp " /> <font color= "#20658E "> 包厢嗨曲 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a href= "djnew.asp " target= "PL58 "/> <font color= "#20658E "> 最新舞曲 </font> </a> </LI> </UL> <div class= "more "> <a href= "ph.asp " target= "PL58 " /> <img src= "pic/more.gif " /> </a> </div> <div id= "meun_c "> <img src= "pic/dj_buttom.gif " /> </div> </div> <div id= "meun_t3 "> <div id= "meun_c "> <img src= "pic/dj2_top.gif " /> </div>
<UL> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "PL58 " href= "toplist.asp?Hits_Page=1 " /> <font color= "#CF2163 "> 舞曲排行 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "_blank " href= "yy_2.asp " /> <font color= "red "> 流行音乐 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a href= "zw_2.asp " target= "PL58 "/> <font color= "#CF2163 "> 商业舞曲 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "PL58 " href= "toplist.asp?Hits_Page=1 " /> <font color= "#CF2163 "> 综合舞曲 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "PL58 " href= "yw_2.asp " /> <font color= "#CF2163 "> 日韩舞曲 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "_blank " href= "http://www.97ttt.com/flash/ " /> <font color= "#CF2163 "> Flash音乐网 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "_blank " href= "http://www.97ttt.com/flash/ " /> <font color= "#CF2163 "> Flash游戏 </font> </a> </LI> </UL> <div class= "more "> <a href= "toplist.asp?Hits_Page=1 " target= "PL58 " /> <img src= "pic/more.gif " /> </a> </div> <div id= "meun_c "> <img src= "pic/dj2_buttom.gif " /> </div> </div> <div id= "meun_t1 "> <div id= "meun_c "> <img src= "pic/dj3_top.gif " /> </div> <UL> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "_blank " href= "http://www.97ttt.com/dvd/vod.htm " /> <font color= "#C16826 "> 在线电影 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "_blank " href= "http://www.pl58.com/mms/djmp3.htm " /> <font color= "red "> DJ酷铃声 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "_blank " href= "http://www.pl58.com/god/ " /> <font color= "#C16826 "> 星语心愿 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "_blank " href= "http://www.pl58.com/htm/gs.htm " /> <font color= "#C16826 "> 一个故事 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "PL58 " href= "http://www.pl58.com/htm/lm.htm " /> <font color= "#C16826 "> 最浪漫的画 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "PL582 " href= "http://www.pl58.com/mms/mmpic.htm " /> <font color= "#C16826 "> 火爆式美女 </font> </a> </LI> <LI> <span> <img src= "pic/li.gif " /> </span> <a target= "_blank " href= "http://www.pl58.com/mms/index.htm " /> <font color= "#C16826 "> 免费MP3铃声 </font> </a> </LI> </UL> <div class= "more "> <a href= "toplist.asp?Hits_Page=1 " target= "PL58 " /> <img src= "pic/more.gif " /> </a> </div> <div id= "meun_c "> <img src= "pic/dj3_buttom.gif " /> </div> </div> </div> </div> <div id= "content_ad "> <div class= "content_bg "> <div id= "ad2 "> <script src= "search.js "> </script>
</div> </div> </div>
欢迎大家交流其实现原理
[解决办法]
mz
[解决办法]
<param name= "SRC " value= "readrm.asp?songid=9201 ">
[解决办法]
呵呵，不懂
[解决办法]
路过
[解决办法]
接分。。。。
[解决办法]
jiefen
[解决办法]
jf
[解决办法]
学习
[解决办法]
学习