网络编程基础-bio

src/main/java/com/msb/io/bio/Client.java

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+package com.msb.io.bio;/**
+ * @Author bingor
+ * @Date 2022/10/19 14:59
+ * @Description: com.msb.bio
+ * @Version: 1.0
+ */
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.net.Socket;
+
+/**
+ *@ClassName Client
+ *@Description TODO
+ *@Author bingor
+ *@Date 2022/10/19 14:59
+ *@Version 3.0
+ */
+public class Client {
+    public static void main(String[] args) {
+        try {
+            Socket socket = new Socket("127.0.0.1", 8888);
+            OutputStream os = socket.getOutputStream();
+            os.write("hello server".getBytes());
+            os.flush();
+            System.out.println("write over, waiting for msg back...");
+            byte[] bytes = new byte[1024];
+            int len = socket.getInputStream().read(bytes);
+            System.out.println(new String(bytes, 0, len));
+            socket.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/com/msb/io/bio/Server.java

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+package com.msb.io.bio;/**
+ * @Author bingor
+ * @Date 2022/10/19 15:11
+ * @Description: com.msb.bio
+ * @Version: 1.0
+ */
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+/**
+ *@ClassName Server
+ *@Description TODO
+ *@Author bingor
+ *@Date 2022/10/19 15:11
+ *@Version 3.0
+ */
+public class Server {
+    public static void main(String[] args) {
+        try {
+            ServerSocket server = new ServerSocket();
+            server.bind(new InetSocketAddress("127.0.0.1", 8888));
+            while (true) {
+                Socket socket = server.accept();    //阻塞方法
+
+                new Thread(() -> {
+                    handle(socket);
+                }).start();
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void handle(Socket socket) {
+        byte[] bytes = new byte[1024];
+        try {
+            int len = socket.getInputStream().read(bytes);
+            System.out.println(new String(bytes, 0, len));
+
+            socket.getOutputStream().write("hello client".getBytes());
+            socket.getOutputStream().flush();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}