java BASE64 对图片的编码和解码

java BASE64 对图片的编码和解码
/**
* 图片BASE64 编码
*/
public static String getPicBASE64(String picPath) {
String content = null;
try {
FileInputStream fileForInput = new FileInputStream(picPath);
byte[] bytes = new byte[fileForInput.available()];
fileForInput.read(bytes);
content = new sun.misc.BASE64Encoder().encode(bytes); // 具体的编码方法
fileForInput.close();
System.out.println(content.length());
} catch (Exception e) {
e.printStackTrace();
}
return content;
}

/**
* 对图片BASE64 解码
*
*/
public static void getPicFormatBASE64(String str,String picPath) {
try{
byte[] result = new sun.misc.BASE64Decoder().decodeBuffer(str.trim());
RandomAccessFile inOut = new RandomAccessFile(picPath, "rw"); // r,rw,rws,rwd
//用FileOutputStream亦可
inOut.write(result);
inOut.close();
}catch(Exception e){
e.printStackTrace();
}
}