After searching for the loop for half a day, it turns out to be "iscontinue = 1"
<SCRIPT type = "text/JavaScript">
VaR swf_width = 228
VaR swf_height = 218
VaR texts = 'name'
VaR files = 'file Path'
Document. write ('<Object ID = "Player" classid = "CLSID: d27CDB6E-AE6D-11cf-96B8-444553540000 "codebase =" http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0 "name =" Player "width =" '+ swf_width +' "Height =" '+ swf_height +' "> ');
Document. Write ('<Param name = "movie" value = "flvplayer.swf? Isautoplay = 1 "/> ');
Document. Write ('<Param name = "quality" value = "high"/> ');
Document. Write ('<Param name = "allowfullscreen" value = "true"/> ');
Document. Write ('<Param name = "isautoplay" value = "1"/> ');
Document. write ('<Param name = "flashvars" value = "vcastr_file =' + files + '& logotext =' + texts + '& buffertime = 3 & isautoplay = 1 & iscontinue = 1 "/> ');
Document. write ('<embed src = "flvplayer.swf" allowfullscreen = "true" flashvars = "vcastr_file =' + files + '& logotext =' + texts + '" Quality = "high" pluginspage = "http://www.macromedia.com/go/getflashplayer" type = "application/X-Shockwave-flash" width = "'+ swf_width +'" Height = "'+ swf_height +'"> </embed> ');
Document. Write ('</Object> ');
</SCRIPT>