1、读取媒体文件,将字节转换为0~255的字符存储到文本文件中
2、读取文本文件,还原媒体文件
public void getImg() throws IOException{
FileReader fileReader = new FileReader(“1.txt”);
BufferedReader bufferedReader = new BufferedReader(fileReader);
FileOutputStream fileOutputStream = new FileOutputStream(“2.png”);
String str;
while ((str = bufferedReader.readLine()) != null){
byte c = (byte) Integer .parseInt(str);
fileOutputStream.write(c);
}
fileReader.close();
fileOutputStream.close();
}