爱站程序员基地实现步骤
- 【客户端】输入流，从硬盘读取文件数据到程序中。
- 【客户端】输出流，写出文件数据到服务端。
- 【服务端】输入流，读取文件数据到服务端程序。
- 【服务端】输出流，写出文件数据到服务器硬盘中。
文件上传服务端FileUploadServer：
package com.gem.demo.day0811;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.net.ServerSocket;import java.net.Socket;public class FileUploadServer {public static void main(String[] args) throws IOException {System.out.println(\"服务器启动...\");//1.创建服务端ssServerSocket ss = new ServerSocket(8080);//2.创建连接Socket accept = ss.accept();//3.创建流对象//获取输入流，读取文件BufferedInputStream bis = new BufferedInputStream(accept.getInputStream());//创建输出流，保存文件BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(new File(\"D:\\\\Test\\\\upload.jpg\")));//4.读写文件byte[] b = new byte[10 * 1024];int len = -1;while ((len = bis.read(b)) != -1) {bos.write(b, 0, len);bos.flush();}//5.关闭资源bos.close();bis.close();accept.close();System.out.println(\"文件保存成功！\");}}
客户端：
package com.gem.demo.day0811;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.FileInputStream;import java.io.IOException;import java.net.Socket;import java.net.UnknownHostException;public class FileUploadClient {public static void main(String[] args) throws UnknownHostException, IOException {//1.创建流对象//创建输入流 读取文件BufferedInputStream bis = new BufferedInputStream(new FileInputStream(\"D:\\\\eclipse\\\\Workspace\\\\Test\\\\3.jpg\"));//创建输出流 写到服务端Socket socket = new Socket(\"localhost\", 8080);BufferedOutputStream bos = new BufferedOutputStream(socket.getOutputStream());//2.读写数据byte[] b = new byte[10 * 1024];int len = -1;while ((len = bis.read(b)) != -1) {bos.write(b, 0, len);bos.flush();}//3.关闭资源bos.close();socket.close();bis.close();System.out.println(\"文件上传成功！\");}}
