Flash/Flex监听浏览器的关闭事件由 Jack 撰写 http://blog.ityao.com/archives/581 如果想用Flash/Flex监听浏览器的关闭事件，可以通过JavaScript的window.onbeforeunload事件进行监听然后JS调用Flash中的函数。在swf所在页面的JavaScript中添加如下代码JS中代码：（这里设定swf文件名为TestFlash）window.onbeforeunload = onbeforeunloadHandler; //添加响应函数function onbeforeunloadHandler() { var swfRef = document.TestFlash|| window.TestFlash; //获取swf的引用if ( swfRef ) { warning = swfRef.windowCloseHandler(); // 调用Flash中的windowCloseHandler函数 return “Are you sure to close this page?”;}} AS中代码：(在程序初始化的函数中添加,例如Flex的creationComplete事件中)if(flash.external.ExternalInterface.available){ flash.external.ExternalInterface.addCallback(‘windowCloseHandler’,externalWindowCloseHandler);//使用ExternalInterface向JS中添加调用函数}/** 告诉服务器，该flash已经被关闭*/protected function externalWindowCloseHandler():void{
//use HttpService in Flexvar http:HTTPService = new HTTPService();http.url = ‘http://localhost/testphp/index.php?from=flexcloseByHTTPService’;http.send();//use URLLoader in AS3var request:URLRequest = new URLRequest(‘http://localhost/testphp/index.php? from=flexcloseByUrlLoader’);var urlLoader:URLLoader = new URLLoader();urlLoader.load(request);}Flex中可以在FlashBuilder的HTML模板上添加JS代码修改html-template中的index.template.html文件在其中添加JS代码：window.onbeforeunload = onbeforeunloadHandler; //添加响应函数function onbeforeunloadHandler() { var swfRef = document.${application}|| window.${application}; //获取swf的引用if ( swfRef ) { warning = swfRef.windowCloseHandler(); // 调用Flash中的windowCloseHandler函数 return “Are you sure to close this page?”;}} 在AS中直接注入JS代码如果不想更改HTML文件，也可以在AS中直接书写JS代码，注入到HTML文档中if(flash.external.ExternalInterface.available){var jsStr:String; jsStr = ‘eval(\’window.onbeforeunload = onbeforeunloadHandler;’ +‘function onbeforeunloadHandler(){‘ +‘var swfRef = document.’+FlexGlobals.topLevelApplication.className+’ || window.’+FlexGlobals.topLevelApplication.className+’;’ +‘swfRef.windowCloseHandler();’ +‘return “Are you sure to close this page?”;’ +‘}\’)';flash.external.ExternalInterface.call(jsStr);
flash.external.ExternalInterface.addCallback(‘windowCloseHandler’,externalWindowCloseHandler);}移除该监听只要设置window.οnbefοreunlοad=null即可AS中可以这样写flash.external.ExternalInterface.call(‘eval(\’window.onbeforeunload = null\’)');flash.external.ExternalInterface.call(‘eval(\’location.reload();\’)'); //再执行刷新浏览器的命令From - http://blog.ityao.com/archives/581
转载于:https://www.cnblogs.com/isoftware/archive/2013/06/04/3117318.html
