Android 中 Base64的操作应用

/**
* 将文件转成base64 字符串
* @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);
}
/**
* 将base64字符解码保存文件
* @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();
}
/**
* 将base64字符保存文本文件
* @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();
}
}

更多相关文章

随机推荐