网络编程的小问题 - 黑马程序员技术交流社区

import java.io.*;
import java.net.*;
//上传图片 1.建立服务 2.读取图片 3.写入网络输出流 4 读取服务端反馈信息 5.关闭资源
class Kehu
{
public static void main(String[] args) throws Exception
{
Socket s = new Socket("lanlan-PC",10006);
BufferedReader bffr = new BufferedReader(new InputStreamReader(new FileInputStream("1.jpg")));
PrintWriter out = new PrintWriter(s.getOutputStream(),true);
String line = null;
while((line=bffr.readLine())!=null)
{
out.println(line);
}
s.shutdownOutput(); //关闭客户端网络输出流相当于加了结束标记-1;
BufferedReader bfin = new BufferedReader(new InputStreamReader(s.getInputStream()));
String XT = bfin.readLine(); //read()阻塞等服务端反馈
System.out.println("XT: "+XT);
bffr.close();
s.close();
}
}
// 服务端： 1. 建立服务 2.获取客户端 3 读取网络输入流 4. 写入文件中 5 反馈信息“上传成功” 6.关闭资源
class Fuwu
{
public static void main(String[] args) throws Exception
{
ServerSocket ss = new ServerSocket(10006);
Socket s = ss.accept();
String IP = s.getInetAddress().getHostAddress();
System.out.println(IP+".....已连接");
BufferedReader bfin = new BufferedReader(new InputStreamReader(s.getInputStream()));
PrintWriter out = new PrintWriter(new FileOutputStream("2.bmp"),true);
String line = null ;
while((line=bfin.readLine())!=null)//read()阻塞等客户端传输数据
{
out.println(line);
}
PrintWriter pw = new PrintWriter(s.getOutputStream(),true);
pw.println("服务器已接收，上传成功谢谢");
out.close();
s.close();
ss.close();
}
}

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