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Flex结合JavaScript读取本地路径的方法

  • 时间:2022-07-21 03:09 编辑: 来源: 阅读:
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摘要:Flex结合JavaScript读取本地路径的方法
mxml代码 [b]<!--ReadLocalFile.mxml-->[/b] <?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="init()"> <mx:Script>      <![CDATA[       [b]private[/b][b]function[/b] init():[b]void[/b]        {            ExternalInterface.addCallback([b]"OnFileChange"[/b],frSelectHandler);//注册JS回调            btnBrowser.addEventListener(MouseEvent.CLICK,mouseClickHandler);        }       [b]private[/b][b]function[/b] mouseClickHandler(event:MouseEvent):[b]void[/b]        {            ExternalInterface.call([b]"Browser"[/b]);//调用JS中Browser函数        }       [b]private[/b][b]function[/b] frSelectHandler(path:String):[b]void[/b]        {            imgTest.source = path;        }      ]]> </mx:Script>      <mx:Button id="btnBrowser" x="10" y="10" label="Button" />      <mx:Image id="imgTest"   x="10" y="50"/> </mx:Application> html端代码 [b]<!-- ReadLocalFile.html -->[/b] <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="history/history.css" /> <title></title> <script src="AC_OETags.js" language="javascript"></script> <script src="history/history.js" language="javascript"></script> <style> body { margin: 0px; overflow:hidden } </style> <script language="JavaScript" type="text/javascript"> var requiredMajorVersion = 9; var requiredMinorVersion = 0; var requiredRevision = 28; //关键代码 function Browser() { document.getElementById("fileInput").click(); } function OnFileChange() { thisMovie("[b]ReadLocalFile[/b]").OnFileChange(document.getElementById("fileInput").value); } function thisMovie(movieName) {          if (navigator.appName.indexOf("Microsoft") != -1) {              return window[movieName];          } else {              return document[movieName];          }      } </script> </head> <body scroll="no"> <input type="file" id="fileInput" style="display:none" onchange="OnFileChange()" /><!--fileInput控件--> <script language="JavaScript" type="text/javascript"> var hasProductInstall = DetectFlashVer(6, 0, 65); var hasRequestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision); if ( hasProductInstall && !hasRequestedVersion ) { var MMPlayerType = (isIE == true) ? "ActiveX" : "PlugIn"; var MMredirectURL = window.location;      document.title = document.title.slice(0, 47) + " - Flash Player Installation";      var MMdoctitle = document.title; AC_FL_RunContent(    "src", "playerProductInstall",    "FlashVars", "MMredirectURL="+MMredirectURL+'&MMplayerType='+MMPlayerType+'&MMdoctitle='+MMdoctitle+"",    "width", "100%",    "height", "100%",    "align", "middle",    "id", "ReadLocalFile",    "quality", "high",    "bgcolor", "#869ca7",    "name", "ReadLocalFile",    "allowScriptAccess","sameDomain",    "type", "application/x-shockwave-flash",    "pluginspage", "[url=http://www.adobe.com/go/getflashplayer]http://www.adobe.com/go/getflashplayer[/url]" ); } else if (hasRequestedVersion) { AC_FL_RunContent(    "src", "ReadLocalFile",    "width", "100%",    "height", "100%",    "align", "middle",    "id", "ReadLocalFile",    "quality", "high",    "bgcolor", "#869ca7",    "name", "ReadLocalFile",    "allowScriptAccess","sameDomain",    "type", "application/x-shockwave-flash",    "pluginspage", "[url=http://www.adobe.com/go/getflashplayer]http://www.adobe.com/go/getflashplayer[/url]" );    } else {   // flash is too old or we can't detect the plugin      var alternateContent = 'Alternate HTML content should be placed here. '    + 'This content requires the Adobe Flash Player. '      + '<a href=http://www.adobe.com/go/getflash/>Get Flash</a>';      document.write(alternateContent);   // insert non-flash content    } </script> <noscript>    <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"    id="ReadLocalFile" width="100%" height="100%"    codebase="[url=http://fpdownload.macromedia.com/get/flashplayer/current/swflash.cab]http://fpdownload.macromedia.com/get/flashplayer/current/swflash.cab[/url]">    <param name="movie" value="ReadLocalFile.swf" />    <param name="quality" value="high" />    <param name="bgcolor" value="#869ca7" />    <param name="allowScriptAccess" value="sameDomain" />    <embed src="ReadLocalFile.swf" quality="high" bgcolor="#869ca7"      width="100%" height="100%" name="ReadLocalFile" align="middle"      play="true"      loop="false"      quality="high"      allowScriptAccess="sameDomain"      type="application/x-shockwave-flash"      pluginspage="[url=http://www.adobe.com/go/getflashplayer]http://www.adobe.com/go/getflashplayer[/url]">    </embed> </object> </noscript> </body> </html>
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