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package com.kaige123.net01; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.Socket; import java.net.UnknownHostException; /**
*凯哥
*/ public class Client { public static void main(String[] args) throws Exception { // 如果对方服务器不存在就会报错 Socket socket = new Socket("127.0.0.1", 8080);
InputStream input = socket.getInputStream();
OutputStream output = socket.getOutputStream();
output.write("你好服务器,我是凯哥,你还记得我吗?".getBytes());
output.flush();//赶紧把内容输出到对方 byte[] b=new byte[1024]; int len=input.read(b);
System.out.println("服务器说:"+new String(b,0,len));
output.close();
input.close();
socket.close();
}
}
package com.kaige123.net01; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.ServerSocket; import java.net.Socket; /**
*凯哥
*/ public class Server{ public static void main(String[] args) throws Exception { // 如果都被占用 那就会抛异常 // 建立好一个服务端 监听8080端口 ServerSocket server = new ServerSocket(8080); // 等待客户端来连接服务器 Socket socket = server.accept(); //代码运行到这句就会卡主 堵塞 等待 InputStream input = socket.getInputStream();
OutputStream output = socket.getOutputStream(); byte[] b = new byte[1024 * 5]; int len = input.read(b);
String s = new String(b, 0, len);
System.out.println(s);
s = "你好凯哥,我是从东莞回来的美女!!";
output.write(s.getBytes());
output.close();
input.close();
socket.close();
}
}
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