例子

读取文件

import java.io.*;
public class Main {
    public static void main(String[] args) throws Exception {
        String path = "./story.txt";
        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(path));
        byte[] buffer = new byte[2048];
        int readLen = 0;
        while ((readLen = bis.read(buffer)) != -1) {
            System.out.println(new String(buffer, 0, readLen));
        }
        bis.close();
    }
}