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  • Android 中 Base64的操作应用

        /**
    * <p>将文件转成base64 字符串</p>
    *
    @param path 文件路径
    *
    @return
    *
    @throws Exception
    */
    public static String encodeBase64File(String path) throws Exception {
    File file = new File(path);
    FileInputStream inputFile = new FileInputStream(file);
    byte[] buffer = new byte[(int)file.length()];
    inputFile.read(buffer);
    inputFile.close();
    // return new android.util.Base64;
    MyUtils.myLog("------------", file+"===="+ "");
    return android.util.Base64.encodeToString(buffer, Base64.DEFAULT);
    }
    /**
    * <p>将base64字符解码保存文件</p>
    *
    @param base64Code
    *
    @param targetPath
    *
    @throws Exception
    */
    public static void decoderBase64File(String base64Code,String targetPath) throws Exception {
    byte [] baseByte = android.util.Base64.decode(base64Code, Base64.DEFAULT);

    // byte[] buffer = new BASE64Decoder().decodeBuffer(base64Code);
    FileOutputStream out = new FileOutputStream(targetPath);
    out.write(baseByte);
    out.close();
    }
    /**
    * <p>将base64字符保存文本文件</p>
    *
    @param base64Code
    *
    @param targetPath
    *
    @throws Exception
    */
    public static void toFile(String base64Code,String targetPath) throws Exception {
    byte[] buffer = base64Code.getBytes();
    FileOutputStream out = new FileOutputStream(targetPath);
    out.write(buffer);
    out.close();
    }
    public static void main(String[] args) {
    try {
    String base64Code =encodeBase64File("D:\\1.jpg");
    System.out.println(base64Code);
    decoderBase64File(base64Code, "D:\\2.jpg");
    toFile(base64Code, "D:\\three.txt");
    } catch (Exception e) {
    e.printStackTrace();
    }
    }



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  • 原文地址:https://www.cnblogs.com/flyingsir/p/2397672.html
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