传统JS关闭当前窗口window.opener=null;window.open('',self);window.close();vue关闭当前窗口window.opener=nullwindow.open("about:blank","_top").close()othervaruserAgent=navigator.userAgent;if(userAgent.indexOf("MSIE")>0){if(userAgent.indexOf("MSIE6.0")>0){window.opener=null;窗口关闭（）；}else{window.open("","_top");window.top.close();}}elseif(userAgent.indexOf("Firefox")!=-1||userAgent.indexOf("Chrome")!=-1){window.location.href="about:blank";//Firefox默认状态不是window.open页面window.close无效//window.history.go(-2);}else{window.opener=null;window.open("about:blank","_self");window.close();}4.描述_blank-加载到新窗口的URL（默认）_parent-加载到父框架的URL_self-替换当前页面的URL_top-替换任何可加载框架集的URL
