swfupload在IE9中不显示上传按钮的问题

问题描述：

使用swfupload.js上传文件,在IE8、火狐、谷歌浏览器中显示正常，但是在IE9下不能显示上传按钮。

解决方法：

打开swfupload.js文件找到307行开始的如下代码：

// Private: getFlashHTML generates the object tag needed to embed the flash in to the document

SWFUpload.prototype.getFlashHTML = function (flashVersion) {

// Flash Satay object syntax: http://www.alistapart.com/articles/flashsatay

return ['<object id="',this.movieName, '" type="application/x-shockwave-flash" data="', (this.support.imageResize ?this.settings.flash_url : this.settings.flash9_url), '" width="', this.settings.button_width, '" height="',this.settings.button_height, '" class="swfupload">',

'<param name="wmode" value="',this.settings.button_window_mode, '" />',

'<param name="movie" value="', (this.support.imageResize ?this.settings.flash_url : this.settings.flash9_url), '" />',

'<param name="quality" value="high" />',

'<param name="allowScriptAccess" value="always" />',

'<param name="flashvars" value="' +this.getFlashVars() + '" />',

'</object>'].join("");

};

将其替换为：

// Private: getFlashHTML generates the object tag needed to embed the flash in to the document

SWFUpload.prototype.getFlashHTML = function (flashVersion) {

// Flash Satay object syntax: http://www.alistapart.com/articles/flashsatay

//处理IE9中不显示上传按钮的情况

var classid = "";

var Sys = {};

var ua = navigator.userAgent.toLowerCase();

if (window.ActiveXObject)

Sys.ie = ua.match(/msie ([\d.]+)/)[1]

if (Sys.ie && Sys.ie.substring(0, 1) =="9") {

classid = ' classid = "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"';

}

return ['<object', classid,' id="', this.movieName,'" type="application/x-shockwave-flash" data="', (this.support.imageResize ?this.settings.flash_url : this.settings.flash9_url), '" width="', this.settings.button_width, '" height="',this.settings.button_height, '" class="swfupload">',