{"id":42646,"date":"2025-06-10T04:40:46","date_gmt":"2025-06-09T20:40:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/42646.html"},"modified":"2025-06-10T04:40:46","modified_gmt":"2025-06-09T20:40:46","slug":"java%e5%ba%94%e7%94%a810%ef%bc%88%e5%ae%a2%e6%88%b7%e7%ab%af%e4%b8%8e%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%80%9a%e4%bf%a1%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/42646.html","title":{"rendered":"Java\u5e94\u752810\uff08\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\uff09"},"content":{"rendered":"<h2>Java\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1<\/h2>\n<p>Java\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u5b9e\u73b0\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1&#xff0c;\u4e0b\u9762\u6211\u5c06\u4ecb\u7ecd\u51e0\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5&#xff1a;<\/p>\n<h3>1. \u57fa\u4e8eSocket\u7684\u57fa\u672c\u901a\u4fe1<\/h3>\n<h4>\u670d\u52a1\u5668\u7aef\u4ee3\u7801<\/h4>\n<p>import java.io.*;<br \/>\nimport java.net.*;<\/p>\n<p>public class SimpleServer {<br \/>\n    public static void main(String[] args) {<br \/>\n        try {<br \/>\n            ServerSocket serverSocket &#061; new ServerSocket(8080);<br \/>\n            System.out.println(&#034;\u670d\u52a1\u5668\u542f\u52a8&#xff0c;\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5&#8230;&#034;);<\/p>\n<p>            Socket clientSocket &#061; serverSocket.accept();<br \/>\n            System.out.println(&#034;\u5ba2\u6237\u7aef\u5df2\u8fde\u63a5: &#034; &#043; clientSocket.getInetAddress());<\/p>\n<p>            \/\/ \u83b7\u53d6\u8f93\u5165\u8f93\u51fa\u6d41<br \/>\n            BufferedReader in &#061; new BufferedReader(<br \/>\n                new InputStreamReader(clientSocket.getInputStream()));<br \/>\n            PrintWriter out &#061; new PrintWriter(clientSocket.getOutputStream(), true);<\/p>\n<p>            \/\/ \u901a\u4fe1\u5faa\u73af<br \/>\n            String inputLine;<br \/>\n            while ((inputLine &#061; in.readLine()) !&#061; null) {<br \/>\n                System.out.println(&#034;\u6536\u5230\u5ba2\u6237\u7aef\u6d88\u606f: &#034; &#043; inputLine);<br \/>\n                out.println(&#034;\u670d\u52a1\u5668\u56de\u590d: &#034; &#043; inputLine);<br \/>\n            }<\/p>\n<p>            \/\/ \u5173\u95ed\u8fde\u63a5<br \/>\n            in.close();<br \/>\n            out.close();<br \/>\n            clientSocket.close();<br \/>\n            serverSocket.close();<br \/>\n        } catch (IOException e) {<br \/>\n            e.printStackTrace();<br \/>\n        }<br \/>\n    }<br \/>\n} <\/p>\n<h4>\u5ba2\u6237\u7aef\u4ee3\u7801<\/h4>\n<p>import java.io.*;<br \/>\nimport java.net.*;<\/p>\n<p>public class SimpleClient {<br \/>\n    public static void main(String[] args) {<br \/>\n        try {<br \/>\n            Socket socket &#061; new Socket(&#034;localhost&#034;, 8080);<\/p>\n<p>            \/\/ \u83b7\u53d6\u8f93\u5165\u8f93\u51fa\u6d41<br \/>\n            PrintWriter out &#061; new PrintWriter(socket.getOutputStream(), true);<br \/>\n            BufferedReader in &#061; new BufferedReader(<br \/>\n                new InputStreamReader(socket.getInputStream()));<\/p>\n<p>            \/\/ \u53d1\u9001\u6d88\u606f<br \/>\n            out.println(&#034;Hello, Server!&#034;);<\/p>\n<p>            \/\/ \u63a5\u6536\u56de\u590d<br \/>\n            String response &#061; in.readLine();<br \/>\n            System.out.println(&#034;\u670d\u52a1\u5668\u56de\u590d: &#034; &#043; response);<\/p>\n<p>            \/\/ \u5173\u95ed\u8fde\u63a5<br \/>\n            out.close();<br \/>\n            in.close();<br \/>\n            socket.close();<br \/>\n        } catch (IOException e) {<br \/>\n            e.printStackTrace();<br \/>\n        }<br \/>\n    }<br \/>\n} <\/p>\n<h3>2. \u4f7f\u7528Java RMI (\u8fdc\u7a0b\u65b9\u6cd5\u8c03\u7528)<\/h3>\n<p>RMI\u5141\u8bb8\u4e00\u4e2aJava\u7a0b\u5e8f\u8c03\u7528\u53e6\u4e00\u4e2aJava\u865a\u62df\u673a\u4e0a\u5bf9\u8c61\u7684\u65b9\u6cd5\u3002<\/p>\n<h4>\u5b9a\u4e49\u8fdc\u7a0b\u63a5\u53e3<\/h4>\n<p>import java.rmi.Remote;<br \/>\nimport java.rmi.RemoteException;<\/p>\n<p>public interface RemoteService extends Remote {<br \/>\n    String sayHello(String name) throws RemoteException;<br \/>\n} <\/p>\n<h4>\u5b9e\u73b0\u8fdc\u7a0b\u670d\u52a1<\/h4>\n<p>import java.rmi.*;<br \/>\nimport java.rmi.server.*;<\/p>\n<p>public class RemoteServiceImpl extends UnicastRemoteObject implements RemoteService {<br \/>\n    public RemoteServiceImpl() throws RemoteException {<br \/>\n        super();<br \/>\n    }<\/p>\n<p>    public String sayHello(String name) throws RemoteException {<br \/>\n        return &#034;Hello, &#034; &#043; name &#043; &#034;!&#034;;<br \/>\n    }<br \/>\n} <\/p>\n<h4>\u670d\u52a1\u5668\u7aef\u4ee3\u7801<\/h4>\n<p>import java.rmi.registry.*;<\/p>\n<p>public class RMIServer {<br \/>\n    public static void main(String[] args) {<br \/>\n        try {<br \/>\n            RemoteService service &#061; new RemoteServiceImpl();<br \/>\n            LocateRegistry.createRegistry(1099);<br \/>\n            Naming.rebind(&#034;RemoteService&#034;, service);<br \/>\n            System.out.println(&#034;RMI\u670d\u52a1\u5df2\u542f\u52a8&#8230;&#034;);<br \/>\n        } catch (Exception e) {<br \/>\n            e.printStackTrace();<br \/>\n        }<br \/>\n    }<br \/>\n} <\/p>\n<h4>\u5ba2\u6237\u7aef\u4ee3\u7801<\/h4>\n<p>import java.rmi.*;<\/p>\n<p>public class RMIClient {<br \/>\n    public static void main(String[] args) {<br \/>\n        try {<br \/>\n            RemoteService service &#061; (RemoteService) Naming.lookup(&#034;rmi:\/\/localhost\/RemoteService&#034;);<br \/>\n            String response &#061; service.sayHello(&#034;Client&#034;);<br \/>\n            System.out.println(&#034;\u670d\u52a1\u5668\u56de\u590d: &#034; &#043; response);<br \/>\n        } catch (Exception e) {<br \/>\n            e.printStackTrace();<br \/>\n        }<br \/>\n    }<br \/>\n} <\/p>\n<h3>3. \u4f7f\u7528HTTP\u901a\u4fe1 (HttpURLConnection)<\/h3>\n<h4>\u5ba2\u6237\u7aefHTTP\u8bf7\u6c42\u793a\u4f8b<\/h4>\n<p>import java.io.*;<br \/>\nimport java.net.*;<\/p>\n<p>public class HttpClientExample {<br \/>\n    public static void main(String[] args) {<br \/>\n        try {<br \/>\n            URL url &#061; new URL(&#034;http:\/\/example.com\/api&#034;);<br \/>\n            HttpURLConnection connection &#061; (HttpURLConnection) url.openConnection();<\/p>\n<p>            \/\/ \u8bbe\u7f6e\u8bf7\u6c42\u65b9\u6cd5<br \/>\n            connection.setRequestMethod(&#034;GET&#034;);<\/p>\n<p>            \/\/ \u83b7\u53d6\u54cd\u5e94<br \/>\n            int responseCode &#061; connection.getResponseCode();<br \/>\n            System.out.println(&#034;\u54cd\u5e94\u4ee3\u7801: &#034; &#043; responseCode);<\/p>\n<p>            BufferedReader in &#061; new BufferedReader(<br \/>\n                new InputStreamReader(connection.getInputStream()));<br \/>\n            String inputLine;<br \/>\n            StringBuilder response &#061; new StringBuilder();<\/p>\n<p>            while ((inputLine &#061; in.readLine()) !&#061; null) {<br \/>\n                response.append(inputLine);<br \/>\n            }<br \/>\n            in.close();<\/p>\n<p>            System.out.println(&#034;\u54cd\u5e94\u5185\u5bb9: &#034; &#043; response.toString());<br \/>\n        } catch (Exception e) {<br \/>\n            e.printStackTrace();<br \/>\n        }<br \/>\n    }<br \/>\n} <\/p>\n<h3>4. \u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93 &#8211; Apache HttpClient<\/h3>\n<p>import org.apache.http.client.methods.*;<br \/>\nimport org.apache.http.impl.client.*;<br \/>\nimport org.apache.http.util.EntityUtils;<\/p>\n<p>public class ApacheHttpClientExample {<br \/>\n    public static void main(String[] args) {<br \/>\n        try (CloseableHttpClient httpClient &#061; HttpClients.createDefault()) {<br \/>\n            HttpGet request &#061; new HttpGet(&#034;http:\/\/example.com\/api&#034;);<\/p>\n<p>            try (CloseableHttpResponse response &#061; httpClient.execute(request)) {<br \/>\n                System.out.println(&#034;\u72b6\u6001\u7801: &#034; &#043; response.getStatusLine().getStatusCode());<br \/>\n                String result &#061; EntityUtils.toString(response.getEntity());<br \/>\n                System.out.println(&#034;\u54cd\u5e94\u5185\u5bb9: &#034; &#043; result);<br \/>\n            }<br \/>\n        } catch (Exception e) {<br \/>\n            e.printStackTrace();<br \/>\n        }<br \/>\n    }<br \/>\n} <\/p>\n<h3>5. WebSocket\u901a\u4fe1<\/h3>\n<h4>\u670d\u52a1\u5668\u7aef (\u4f7f\u7528Java EE\u6216Spring)<\/h4>\n<p>import javax.websocket.*;<br \/>\nimport javax.websocket.server.*;<\/p>\n<p>&#064;ServerEndpoint(&#034;\/websocket&#034;)<br \/>\npublic class WebSocketServer {<br \/>\n    &#064;OnOpen<br \/>\n    public void onOpen(Session session) {<br \/>\n        System.out.println(&#034;\u5ba2\u6237\u7aef\u8fde\u63a5: &#034; &#043; session.getId());<br \/>\n    }<\/p>\n<p>    &#064;OnMessage<br \/>\n    public void onMessage(String message, Session session) {<br \/>\n        System.out.println(&#034;\u6536\u5230\u6d88\u606f: &#034; &#043; message);<br \/>\n        try {<br \/>\n            session.getBasicRemote().sendText(&#034;\u670d\u52a1\u5668\u56de\u590d: &#034; &#043; message);<br \/>\n        } catch (IOException e) {<br \/>\n            e.printStackTrace();<br \/>\n        }<br \/>\n    }<\/p>\n<p>    &#064;OnClose<br \/>\n    public void onClose(Session session) {<br \/>\n        System.out.println(&#034;\u5ba2\u6237\u7aef\u65ad\u5f00: &#034; &#043; session.getId());<br \/>\n    }<br \/>\n} <\/p>\n<h4>\u5ba2\u6237\u7aef (\u4f7f\u7528Java API)<\/h4>\n<p>import javax.websocket.*;<\/p>\n<p>&#064;ClientEndpoint<br \/>\npublic class WebSocketClient {<br \/>\n    &#064;OnOpen<br \/>\n    public void onOpen(Session session) {<br \/>\n        System.out.println(&#034;\u8fde\u63a5\u5df2\u5efa\u7acb&#034;);<br \/>\n        try {<br \/>\n            session.getBasicRemote().sendText(&#034;Hello, Server!&#034;);<br \/>\n        } catch (IOException e) {<br \/>\n            e.printStackTrace();<br \/>\n        }<br \/>\n    }<\/p>\n<p>    &#064;OnMessage<br \/>\n    public void onMessage(String message) {<br \/>\n        System.out.println(&#034;\u6536\u5230\u670d\u52a1\u5668\u6d88\u606f: &#034; &#043; message);<br \/>\n    }<\/p>\n<p>    public static void main(String[] args) {<br \/>\n        WebSocketContainer container &#061; ContainerProvider.getWebSocketContainer();<br \/>\n        try {<br \/>\n            container.connectToServer(WebSocketClient.class,<br \/>\n                URI.create(&#034;ws:\/\/localhost:8080\/websocket&#034;));<br \/>\n            Thread.sleep(5000); \/\/ \u4fdd\u6301\u8fde\u63a5\u4e00\u6bb5\u65f6\u95f4<br \/>\n        } catch (Exception e) {<br \/>\n            e.printStackTrace();<br \/>\n        }<br \/>\n    }<br \/>\n} <\/p>\n<h3>\u9009\u62e9\u5efa\u8bae<\/h3>\n<li>\n<p>\u7b80\u5355\u901a\u4fe1&#xff1a;\u4f7f\u7528Socket\u6216HttpURLConnection<\/p>\n<\/li>\n<li>\n<p>\u5206\u5e03\u5f0f\u5e94\u7528&#xff1a;\u8003\u8651RMI\u6216RPC\u6846\u67b6<\/p>\n<\/li>\n<li>\n<p>Web\u670d\u52a1&#xff1a;\u4f7f\u7528HTTP\u5ba2\u6237\u7aef\u5e93<\/p>\n<\/li>\n<li>\n<p>\u5b9e\u65f6\u53cc\u5411\u901a\u4fe1&#xff1a;WebSocket\u662f\u66f4\u597d\u7684\u9009\u62e9<\/p>\n<\/li>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"564\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250609204045-684746cdade66.png\" width=\"1022\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb778\u6b21\uff0c\u70b9\u8d5e27\u6b21\uff0c\u6536\u85cf18\u6b21\u3002\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7684\u7684\u5e7f\u6cdb\u5e94\u7528<\/p>\n","protected":false},"author":2,"featured_media":42645,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99,190],"topic":[],"class_list":["post-42646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-java","tag-190"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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