J2EE 下载文件名中文乱码问题

在JAVA WEB APP里下载文件,当包含中文名称时,会在不同浏览器, 不同操作系统里,产生乱码的问题;

试过下面的方法,没有效果

        String name = fileName + ".xlsx";
        if (httpServletRequest.getHeader("User-Agent").toUpperCase().indexOf("MSIE") > 0) {
            name = URLEncoder.encode(name, "GBK");
        } else {
            name = new String(name.getBytes("GBK"), "ISO8859-1");
        }

        httpServletResponse.setHeader("Content-Disposition", "attachment;filename=" + name);

最后在StackOverflow上面找到了一个有效的方法;测试过在MAC,Windows, IE, Chrome, FF里都可以;

final String encodedFileName = encodeFilename(fileNameToEncode); 
response.setHeader("Content-Disposition", "attachment; filename*=UTF-8''" + encodedFileName);

private String encodeFilename(final String filename)
{
  try{        
    URI uri = new URI(null, null, filename, null);      
    String encodedName = uri.toASCIIString(); 
    return encodedName;
  }
  catch(URISyntaxException ex){
      return filename;
  }
}

from: http://stackoverflow.com/questions/22319277/how-to-set-chinese-filename-correctly-for-different-browsers-when-download-file

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转载自my.oschina.net/u/922297/blog/748959
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