2011-03-08 81 views
1

检查Flash插件是否存在,仅在IE中失败(认为它基本上是IE 9的JavaScript引擎,即使浏览器&文档模式随开发工具改变)。使用IE浏览器检测IE 9闪存

var is_Flash = false; 
var is_FlashVersion = 0; 

var plugin = (navigator.mimeTypes && 
       navigator.mimeTypes["application/x-shockwave-flash"] && 
       navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin) ? 
       navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0; 
if (plugin&&plugin.description) { 
    is_Flash = true; 
    is_FlashVersion = parseInt(plugin.description.substring(plugin.description.indexOf(".")-1)); 
} 

IE不返回插件的详细信息。 任何人都知道解决方案?

可以用这个来检查对象的细节,IE中根本就没有任何东西,0的长度在mimeTypes对象上。

var obj = navigator.mimeTypes["application/x-shockwave-flash"]; 
var out = ''; 
for (var i in obj) { 
    out += i + ": " + obj[i] + "\n"; 
} 
alert(out); 
+0

看看这个 - http://stackoverflow.com/questions/4944110/how-to-programatically-check-if-a-particular-version-of-flash-player-is-installed – matthewpavkov 2011-03-08 08:08:15

回答

1

您需要查看ie中的ActiveXObjects。

我写了这个小功能而回,也许你可以从它那里得到一些启发,我没有在IE9测试它however.-

function hasFlashVersionOrBetter(major, minor) { 
    minor = minor || 0; 
    var v; 
    if (navigator.plugins && navigator.plugins.length > 0) { 
     var type = 'application/x-shockwave-flash'; 
     var mimeTypes = navigator.mimeTypes; 
     if (mimeTypes && mimeTypes[type] && mimeTypes[type].enabledPlugin && mimeTypes[type].enabledPlugin.description) { 
      v = mimeTypes[type].enabledPlugin.description.replace(/^.*?([0-9]+)\.([0-9])+.*$/, '$1,$2').split(','); 
     } 
    } 
    else { 
     var flashObj = null; 
     try { flashObj = new ActiveXObject('ShockwaveFlash.ShockwaveFlash'); } catch (ex) { return false; } 
     if (flashObj != null) { 
      var fV; 
      try { fV = flashObj.GetVariable("$version"); } catch (err) { return false; } 
      v = fV.replace(/^.*?([0-9]+,[0-9]+).*$/, '$1').split(','); 
     } 
    } 
    if (v) { 
     var majorVersion = parseInt(v[0], 10); 
     return major > majorVersion || major == majorVersion && minor >= parseInt(v[1], 10); 
    } 
    return false; 
} 
+0

havnt试过这个但它看起来会起作用,所以我会将你的答案设定为接受。 – Forteasics 2011-03-08 09:03:20

+0

工作,除了比较是向后的,所以它只返回true,如果它小于传入的版本。应该是:主要 2013-02-22 20:36:13

2

为什么要推倒重来,并有头痛: 使用这个轻量级JS库。

http://code.google.com/p/swfobject/

您可以轻松检测Flash或Flash版本,没有任何跨浏览器的问题,

+1

供参考:swfobject团队自2009年6月以来未发布任何内容 – 2012-05-31 07:45:35

+0

@lordspace感谢您的更新。 – DhruvPathak 2012-05-31 07:46:06

+1

由于一些安全性插件限制,它在IE9中无法正常工作。 – mgol 2012-06-15 22:06:54

0

为响应谢谢你们,但我的合作开发者发现土坯一个不错的一段代码,所有的工作浏览器。

// Flash Player Version Detection - Rev 1.6 
// Detect Client Browser type 
// Copyright(c) 2005-2006 Adobe Macromedia Software, LLC. All rights reserved. 
var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false; 
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false; 
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false; 

function ControlVersion() 
{ 
    var version; 
    var axo; 
    var e; 

    // NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry 

    try { 
     // version will be set for 7.X or greater players 
     axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7"); 
     version = axo.GetVariable("$version"); 
    } catch (e) { 
    } 

    if (!version) 
    { 
     try { 
      // version will be set for 6.X players only 
      axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6"); 

      // installed player is some revision of 6.0 
      // GetVariable("$version") crashes for versions 6.0.22 through 6.0.29, 
      // so we have to be careful. 

      // default to the first public version 
      version = "WIN 6,0,21,0"; 

      // throws if AllowScripAccess does not exist (introduced in 6.0r47)  
      axo.AllowScriptAccess = "always"; 

      // safe to call for 6.0r47 or greater 
      version = axo.GetVariable("$version"); 

     } catch (e) { 
     } 
    } 

    if (!version) 
    { 
     try { 
      // version will be set for 4.X or 5.X player 
      axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3"); 
      version = axo.GetVariable("$version"); 
     } catch (e) { 
     } 
    } 

    if (!version) 
    { 
     try { 
      // version will be set for 3.X player 
      axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3"); 
      version = "WIN 3,0,18,0"; 
     } catch (e) { 
     } 
    } 

    if (!version) 
    { 
     try { 
      // version will be set for 2.X player 
      axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash"); 
      version = "WIN 2,0,0,11"; 
     } catch (e) { 
      version = -1; 
     } 
    } 

    return version; 
} 

// JavaScript helper required to detect Flash Player PlugIn version information 
function GetSwfVer(){ 
    // NS/Opera version >= 3 check for Flash plugin in plugin array 
    var flashVer = -1; 

    if (navigator.plugins != null && navigator.plugins.length > 0) { 
     if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) { 
      var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : ""; 
      var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description; 
      var descArray = flashDescription.split(" "); 
      var tempArrayMajor = descArray[2].split(".");   
      var versionMajor = tempArrayMajor[0]; 
      var versionMinor = tempArrayMajor[1]; 
      var versionRevision = descArray[3]; 
      if (versionRevision == "") { 
       versionRevision = descArray[4]; 
      } 
      if (versionRevision[0] == "d") { 
       versionRevision = versionRevision.substring(1); 
      } else if (versionRevision[0] == "r") { 
       versionRevision = versionRevision.substring(1); 
       if (versionRevision.indexOf("d") > 0) { 
        versionRevision = versionRevision.substring(0, versionRevision.indexOf("d")); 
       } 
      } 
      var flashVer = versionMajor + "." + versionMinor + "." + versionRevision; 
      //alert("flashVer="+flashVer); 
     } 
    } 
    // MSN/WebTV 2.6 supports Flash 4 
    else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4; 
    // WebTV 2.5 supports Flash 3 
    else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3; 
    // older WebTV supports Flash 2 
    else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2; 
    else if (isIE && isWin && !isOpera) { 
     flashVer = ControlVersion(); 
    } 
    return flashVer; 
} 

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available 
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) 
{ 
    versionStr = GetSwfVer(); 
    if (versionStr == -1) { 
     return false; 
    } else if (versionStr != 0) { 
     if(isIE && isWin && !isOpera) { 
      // Given "WIN 2,0,0,11" 
      tempArray   = versionStr.split(" "); // ["WIN", "2,0,0,11"] 
      tempString  = tempArray[1];   // "2,0,0,11" 
      versionArray  = tempString.split(","); // ['2', '0', '0', '11'] 
     } else { 
      versionArray  = versionStr.split("."); 
     } 
     var versionMajor  = versionArray[0]; 
     var versionMinor  = versionArray[1]; 
     var versionRevision = versionArray[2]; 

      // is the major.revision >= requested major.revision AND the minor version >= requested minor 
     if (versionMajor > parseFloat(reqMajorVer)) { 
      return true; 
     } else if (versionMajor == parseFloat(reqMajorVer)) { 
      if (versionMinor > parseFloat(reqMinorVer)) 
       return true; 
      else if (versionMinor == parseFloat(reqMinorVer)) { 
       if (versionRevision >= parseFloat(reqRevision)) 
        return true; 
      } 
     } 
     return false; 
    } 
} 

function AC_AddExtension(src, ext) 
{ 
    if (src.indexOf('?') != -1) 
    return src.replace(/\?/, ext+'?'); 
    else 
    return src + ext; 
} 

function AC_Generateobj(objAttrs, params, embedAttrs) 
{ 
    var str = ''; 
    if (isIE && isWin && !isOpera) 
    { 
     str += '<object '; 
     for (var i in objAttrs) 
      str += i + '="' + objAttrs[i] + '" '; 
     for (var i in params) 
      str += '><param name="' + i + '" value="' + params[i] + '" /> '; 
     str += '></object>'; 
    } else { 
     str += '<embed '; 
     for (var i in embedAttrs) 
      str += i + '="' + embedAttrs[i] + '" '; 
     str += '> </embed>'; 
    } 

    document.write(str); 
} 

function AC_FL_RunContent(){ 
    var ret = 
    AC_GetArgs 
    ( arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" 
    , "application/x-shockwave-flash" 
    ); 
    AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs); 
} 

function AC_GetArgs(args, ext, srcParamName, classid, mimeType){ 
    var ret = new Object(); 
    ret.embedAttrs = new Object(); 
    ret.params = new Object(); 
    ret.objAttrs = new Object(); 
    for (var i=0; i < args.length; i=i+2){ 
    var currArg = args[i].toLowerCase();  

    switch (currArg){ 
     case "classid": 
     break; 
     case "pluginspage": 
     ret.embedAttrs[args[i]] = args[i+1]; 
     break; 
     case "src": 
     case "movie": 
     args[i+1] = AC_AddExtension(args[i+1], ext); 
     ret.embedAttrs["src"] = args[i+1]; 
     ret.params[srcParamName] = args[i+1]; 
     break; 
     case "onafterupdate": 
     case "onbeforeupdate": 
     case "onblur": 
     case "oncellchange": 
     case "onclick": 
     case "ondblClick": 
     case "ondrag": 
     case "ondragend": 
     case "ondragenter": 
     case "ondragleave": 
     case "ondragover": 
     case "ondrop": 
     case "onfinish": 
     case "onfocus": 
     case "onhelp": 
     case "onmousedown": 
     case "onmouseup": 
     case "onmouseover": 
     case "onmousemove": 
     case "onmouseout": 
     case "onkeypress": 
     case "onkeydown": 
     case "onkeyup": 
     case "onload": 
     case "onlosecapture": 
     case "onpropertychange": 
     case "onreadystatechange": 
     case "onrowsdelete": 
     case "onrowenter": 
     case "onrowexit": 
     case "onrowsinserted": 
     case "onstart": 
     case "onscroll": 
     case "onbeforeeditfocus": 
     case "onactivate": 
     case "onbeforedeactivate": 
     case "ondeactivate": 
     case "type": 
     case "codebase": 
     ret.objAttrs[args[i]] = args[i+1]; 
     break; 
     case "id": 
     case "width": 
     case "height": 
     case "align": 
     case "vspace": 
     case "hspace": 
     case "class": 
     case "title": 
     case "accesskey": 
     case "name": 
     case "tabindex": 
     ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1]; 
     break; 
     default: 
     ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1]; 
    } 
    } 
    ret.objAttrs["classid"] = classid; 
    if (mimeType) ret.embedAttrs["type"] = mimeType; 
    return ret; 
} 

DetectFlashVer(8, 0, 0); 
0
 if (navigator.plugins && navigator.plugins.length > 0) { 
      var type = 'application/x-shockwave-flash'; 
      var mimeTypes = navigator.mimeTypes; 
      if (mimeTypes && mimeTypes[type] && mimeTypes[type].enabledPlugin && mimeTypes[type].enabledPlugin.description) { 
       //Flash Object found. 
      } 
     } 

上面的代码工作在所有的浏览器。