jsp 文件上传浏览支持ie6ie7ie8

找了好久终于找到一个jsp上能用的…… 分享！！
代码如下：

%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%
%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%
!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
html xmlns="http://www.w3.org/1999/xhtml"
    head
        meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /
        link rel="stylesheet" href="../css/common.css" href="css/common.css" type="text/css" /
        title管理区域/title
        style type="text/css"!--
#newPreview
{
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale);
}
--/style
script type="text/javascript" language="javascript"!--
var flag=true;
function PreviewImg(imgFile)
{
//新的预览代码，支持 IE6、IE7,IE8也支持，firefox不支持！！我测试了的……
var newPreview = document.getElementById("newPreview");
newPreview.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgFile.value;
if(flag)
{
newPreview.style.width = "100px";
newPreview.style.height = "80px";
}
}
function setImgWH()
{
var newPreview = document.getElementById("newPreview");
flag=false;
newPreview.style.width = document.getElementById("txtImgWidth").value;;
newPreview.style.height = document.getElementById("txtImgHeight").value;
}
// --/script
    /head
    body
        div id="man_zone"
        form action="product.do?command=addProduct" method="post" name="Upload" enctype="multipart/form-data"
                table width="100%" style="text-align:center" cellpadding="3"
                    cellspacing="1" class="table_style"

                    tr
                        td class="left_title_2"
                            商品图片：
                        /td
                        tdinput type="file" name="file" onchange="javascript:PreviewImg(this);" style="border: 1px #FFFFFF
solid;background:#efefef" style="border: 1px #FFFFFF
solid;background:#efefef" /font color=red*/fontdiv id="newPreview"/div/td
                    /tr
                    tr
                        td class="left_title_1"
                            input type="submit" name="Submit" value="增加" /
                        /td
                        td
                            input type="reset" name="Reset" value="重置" /
                        /td
                    /tr
                /table
            /form
        /div
    /body
/html