public static void convertUTFFileToGBKFile(String srcFileName, String destFileName) {//把文件转换为GBK文件
        BufferedReader br = null;
        ;
        BufferedWriter bw = null;
        try {
            br = new BufferedReader(new InputStreamReader(new FileInputStream(
                    srcFileName), "utf-8"));
            bw = new BufferedWriter(new OutputStreamWriter(
                    new FileOutputStream(destFileName), "gbk"));
            String line = null;
            while ((line = br.readLine()) != null) {
                bw.write(line);
                bw.newLine();
            }
        } catch (Exception e) {
        } finally {
            try {
                if (br != null)
                    br.close();
                if (bw != null)
                    bw.close();
            } catch (IOException e) {
            }
        }
    }