package com.itheima;
import java.net.*;
import java.io.*;
/**
* 9、 使用TCP协议写一个可以上传文件的服务器和客户端。
*
* @author 张家洛
* 思路:
* 1.网络编程与IO流相拼命;
* 2.客户端通过socket向其输出流中写入本地文件,用到FileInputStream读取文件,也可加上缓冲BufferedInputStream;
* 3.通过socket的输入流读取服务器端的反馈信息;
* 4.服务端通过socket从其输入流中读取文件,存入到服务器端,并返回文件复制情况信息;
* 5.关闭资源.
*/
public class Test9 {
public static void main(String[] args) {
}
}
// 客户端
class client {
public static void main(String[] args) throws Exception {
// 建立Socket服务
Socket fileLoaderSocket = new Socket("127.0.0.1", 10005);
// 从客户端本地读取文件,并写入socket的输出流中
OutputStream out = fileLoaderSocket.getOutputStream();
InputStream fileRead = new FileInputStream("D:\\Demo.mp3");
byte[] buf = new byte[1024];
int len = 0;
while ((len = fileRead.read(buf)) != -1) {
out.write(buf, 0, len);
}
// 告诉服务端,文件已传输完毕
fileLoaderSocket.shutdownOutput();
// 获取从服务端反馈的信息
BufferedReader in = new BufferedReader(new InputStreamReader(
fileLoaderSocket.getInputStream()));
String serverBack = in.readLine();
System.out.println(serverBack);
// 资源关闭
fileLoaderSocket.close();
fileRead.close();
}
}
// 服务端
class Server {
public static void main(String[] args) throws Exception {
// 建立服务端Socket
ServerSocket ss = new ServerSocket(10005);
// 接收客户端Socket
Socket fileLoaderSocket = ss.accept();
// 打印连接信息
String ip = fileLoaderSocket.getInetAddress().getHostAddress();
System.out.println(ip + "...conncected");
// 接收文件,并保存
InputStream in = fileLoaderSocket.getInputStream();
OutputStream fileSave = new FileOutputStream("E:\\server.mp3");
byte[] buf = new byte[1024];
int len = 0;
while ((len = in.read(buf)) != -1) {
fileSave.write(buf, 0, len);
fileSave.flush();
}
// 返回文件复制情况信息
BufferedWriter out = new BufferedWriter(new OutputStreamWriter(
fileLoaderSocket.getOutputStream()));
out.write("文件上传成功");
out.flush();
// 资源关闭
ss.close();
fileLoaderSocket.close();
fileSave.close();
}
}
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