如何在html上控制嵌入的flash文件*.swf的播放？最好是给个示例。

给你一段代码试试，注意文件地址呀。
<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="320" height="280" align="middle">
<param name="allowScriptAccess" value="sameDomain" />
<param name="movie" value="player.swf" />
<param name="FlashVars" value="flvURL=chashanqingge.flv.swf&ControlPanelColor=0xccff00&buttonColor=0x000000&ControlPanelPosition=0&showControlPanel=1&ShowtimeColor=0xffffff&bAutoPlay=1&bAutoRepeat=1&BufferTime=5&tmeColor=0xffffff&loaColor=0x666666&GroundColor=0x000000&conNum=5&bShowtime=1&startvolume=100" />
<param name="quality" value="high" />