Java DataInputStream skipBytes()方法

java.io.DataInputStream.skipBytes(int n) 用于跳过输入流中x个字节的数据。

1 语法

public final int skipBytes(int n)

2 参数

n：要跳过的字节数。

3 返回值

此方法返回要跳过的字节数。

4 示例 

package com.yiidian;

/**
 * 一点教程网： http://www.yiidian.com
 */
/**
 * java.io.DataInputStream.skipBytes(int n)方法的例子
 */
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

public class Demo {
    public static void main(String[] args) throws IOException {
        InputStream is = null;
        DataInputStream dis = null;
        FileOutputStream fos = null;
        DataOutputStream dos = null;
        byte[] b = {4,124,119,114,125,45,76,83,84};

        try {
            // create file output stream
            fos = new FileOutputStream("d:\\test.txt");

            // create data output stream
            dos = new DataOutputStream(fos);

            // for each byte in buffer
            for(byte j:b) {

                // write byte to the output stream
                dos.writeByte(j);
            }

            // force data to the underlying file output stream
            dos.flush();

            // create file input stream
            is = new FileInputStream("d:\\test.txt");

            // create new data input stream
            dis = new DataInputStream(is);

            // available stream to be read
            while(dis.available()>0) {

                // reads characters encoded with modified UTF-8
                int k = dis.read();

                // print
                System.out.print(k+" ");

                // skips 1 by
                dis.skipBytes(1);
            }

        } catch(Exception e) {
            // if any error occurs
            e.printStackTrace();
        } finally {
            // releases all system resources from the streams
            if(is!=null)
                is.close();
            if(dis!=null)
                dis.close();
            if(fos!=null)
                fos.close();
            if(dos!=null)
                dos.close();
        }
    }
}

输出结果为：

4 119 125 76 84