java base64加密文件 及解密到文件

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import javafx.scene.control.ButtonType;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

public class Base64Tools {

/**
* 将文件转成base64 字符串
*
* @param path 文件路径
* @return
*/
public static String encodeBase64File(String path) {
try {
//将文件 转换为字符串
File file = new File(path);
FileInputStream inputFile = new FileInputStream(file);
byte[] buffer = new byte[(int) file.length()];
inputFile.read(buffer);
inputFile.close();
System.err.println("加密");
//字符串加密
return new BASE64Encoder().encode(buffer);
} catch (Exception e) {

e.printStackTrace();

}
return “ok”;
}

/**
* 将base64字符解码保存文件
*
* @param base64Code  加密的base64
* @param targetPath 保存的文件夹路径名
*/
public static void decoderBase64File(String base64Code, String targetPath) {
try {
byte[] buffer = new BASE64Decoder().decodeBuffer(base64Code);
FileOutputStream out = new FileOutputStream(targetPath);
out.write(buffer);
out.close();
System.err.println("解码");
} catch (Exception e) {

e.printStackTrace();
}
}
}