网络按编码读写文本内容

  public String downloadTxt(String urlStr, String encodeType) {
        StringBuffer sb = new StringBuffer();
        String line = null;
        BufferedReader buffer = null;
        URL url;
        try {
            // 创建一个URL
            url = new URL(urlStr);
            try {
                HttpURLConnection urlCon = (HttpURLConnection) url
                        .openConnection();

                buffer = new BufferedReader(new InputStreamReader(
                        urlCon.getInputStream(), encodeType));

                while ((line = buffer.readLine()) != null) {
                    sb.append(line);
                }
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        } catch (MalformedURLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally {
            try {
                buffer.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        return sb.toString();
    }

    public static void writeStringToFile(String file, String content, String encodType)
            throws IOException {
        FileOutputStream writerStream = new FileOutputStream(file);
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(
                writerStream, encodType));
        writer.write(content);
        writer.close();
    }