var s1 = new SWFObject("VideoSwf/player.swf", "ply", "427", "450", "9", "#FFFFFF");
s1.addParam("allowfullscreen", "true");
s1.addParam("allowscriptaccess", "always");
s1.addParam("AutoStart", "True");
s1.addParam("flashvars", 'file=' + file + '&image=' + image);
s1.addParam("autoplay", "true");
s1.write("container");
试试 s1.addParam("AutoStart", "true");