<object type="application/x-shockwave-flash" data="http://static.youku.com/v1.0.0591/v/swf/loader.swf" id="movie_player" height="100%" width="100%"><param name="allowFullScreen" value="true"><param name="allowscriptaccess" value="always"><param name="allowFullScreenInteractive" value="true"><param name="flashvars" value="VideoIDS=XMTQxNjM0MDQ0NA==&amp;ShowId=286842&amp;category=91&amp;Cp=authorized&amp;Light=on&amp;THX=off&amp;unCookie=0&amp;frame=0&amp;pvid=1451980185262f0H24v&amp;uepflag=0&amp;Tid=0&amp;isAutoPlay=true&amp;Version=/v1.0.1121&amp;show_ce=0&amp;winType=interior&amp;openScanCode=1&amp;scanCodeText=&quot;限时&quot; 扫码免广告&amp;embedid=AjM1NDA4NTExMQJ3d3cueW91a3UuY29tAi9zaG93X3BhZ2UvaWRfejViZGJmNTdjOTQ3MzExZTNiOGI3Lmh0bWw=&amp;vext=bc%3D%26pid%3D1451980185262f0H24v%26unCookie%3D0%26frame%3D0%26type%3D0%26svt%3D1%26stg%3D152%26emb%3DAjM1NDA4NTExMQJ3d3cueW91a3UuY29tAi9zaG93X3BhZ2UvaWRfejViZGJmNTdjOTQ3MzExZTNiOGI3Lmh0bWw%3D%26dn%3D%E7%BD%91%E9%A1%B5%26hwc%3D1%26mtype%3Doth&amp;pageStartTime=1451980185261"><param name="movie" value="http://static.youku.com/v1.0.0591/v/swf/loader.swf"><div class="player_html5"><div class="picture" style="height:100%"><div style="line-height:460px;"><span style="font-size:18px">您还没有安装flash播放器,请点击<a href="http://www.adobe.com/go/getflash" target="_blank">这里</a>安装</span></div></div></div></object>

youku的视频怎么爬