导出文件中文乱码处理

导出文件中文乱码

        /**
	 * 下载文件名中含有中文的处理
	 * @param req
	 * @param headName
	 * @return
	 * @throws UnsupportedEncodingException
	 */
	public static String encodeFileName(HttpServletRequest req, String headName)
			throws UnsupportedEncodingException {
		String filename="";
		String header = req.getHeader("User-Agent");
		if (header.toUpperCase().indexOf("MSIE") >= 0 || (header.toUpperCase().indexOf("TRIDENT") >= 0 
				&& header.toUpperCase().indexOf("RV") >= 0)) {  
		    filename = URLEncoder.encode(headName, "UTF-8");  
		}else if (header.indexOf("Mozilla") >= 0) {
			filename = new String(headName.getBytes("UTF-8"), "ISO8859-1");
		}else {  
			filename = URLEncoder.encode(headName, "UTF-8");  
		}
		return filename;
	}