![\"menu-r.4af5f7ec.gif\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250430135545-68122be1d2ff5.gif\")
<\/p>\n \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p>\n
\u7b80\u4ecb：\u672c\u6587\u4ecb\u7ecd\u4e86\u5728Java\u4e2d\u5982\u4f55\u901a\u8fc7UDP\u534f\u8bae\u5b9e\u73b0\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u95f4\u7684\u65f6\u95f4\u901a\u4fe1，\u5e76\u901a\u8fc7\u56fe\u5f62\u7528\u6237\u754c\u9762(GUI)\u5c55\u793a\u670d\u52a1\u5668\u8fd4\u56de\u7684\u65f6\u95f4\u3002\u6d89\u53ca\u4e86UDP\u901a\u4fe1\u7684\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u8bbe\u8ba1，\u5305\u62ec\u4f7f\u7528 DatagramSocket \u548c DatagramPacket \u7c7b\u8fdb\u884c\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536，\u540c\u65f6\u5305\u62ec\u5f02\u5e38\u5904\u7406\u548cGUI\u7684\u6784\u5efa\u3002\u6b64\u5916，\u63d0\u4f9b\u4e86\u4ee3\u7801\u793a\u4f8b，\u8bf4\u660e\u4e86\u5982\u4f55\u901a\u8fc7\u6309\u94ae\u70b9\u51fb\u89e6\u53d1\u8bf7\u6c42\u5e76\u66f4\u65b0GUI\u6765\u663e\u793a\u670d\u52a1\u5668\u65f6\u95f4\u3002 ![\"java](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/04\/20250430135546-68122be248113.png\")
<\/p>\n
\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae（UDP）\u662f\u4e00\u79cd\u65e0\u8fde\u63a5\u7684\u7f51\u7edc\u4f20\u8f93\u534f\u8bae，\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u4f46\u4e0d\u53ef\u9760\u7684\u4fe1\u606f\u4f20\u8f93\u670d\u52a1\u3002\u4e0eTCP\u76f8\u6bd4，UDP\u4e0d\u4fdd\u8bc1\u6d88\u606f\u7684\u987a\u5e8f\u6216\u53ef\u9760\u6027，\u4f46\u5b83\u7684\u4f18\u70b9\u5728\u4e8e\u8f83\u4f4e\u7684\u4f20\u8f93\u5ef6\u8fdf，\u5e38\u7528\u4e8e\u5b9e\u65f6\u6027\u5f3a\u4e14\u5bf9\u6570\u636e\u4e00\u81f4\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u5e94\u7528\u3002 <\/p>\n
\u5728Java\u4e2d，UDP\u901a\u4fe1\u53ef\u4ee5\u901a\u8fc7java.net.DatagramSocket\u548cjava.net.DatagramPacket\u4e24\u4e2a\u7c7b\u5b9e\u73b0\u3002\u9996\u5148\u521b\u5efa\u4e00\u4e2aDatagramSocket\u5b9e\u4f8b\u4f5c\u4e3a\u901a\u4fe1\u7aef\u70b9，\u7136\u540e\u4f7f\u7528DatagramPacket\u5b9e\u4f8b\u6765\u5c01\u88c5\u8981\u53d1\u9001\u6216\u63a5\u6536\u7684\u6570\u636e\u5305\u3002 <\/p>\n
\u4f7f\u7528UDP\u8fdb\u884c\u901a\u4fe1\u6d89\u53ca\u4ee5\u4e0b\u57fa\u672c\u6b65\u9aa4： 1. \u521b\u5efaDatagramSocket\u5b9e\u4f8b\u4ee5\u76d1\u542c\u7279\u5b9a\u7aef\u53e3，\u51c6\u5907\u63a5\u6536\u6d88\u606f\u3002 2. \u521b\u5efaDatagramPacket\u5b9e\u4f8b，\u7528\u4e8e\u63a5\u6536\u6570\u636e\u6216\u5c01\u88c5\u8981\u53d1\u9001\u7684\u6570\u636e\u3002 3. \u4f7f\u7528DatagramSocket\u7684send\u6216receive\u65b9\u6cd5\u53d1\u9001\u6216\u63a5\u6536\u6570\u636e\u5305\u3002 <\/p>\n
\u793a\u4f8b\u4ee3\u7801\u5c55\u793a\u4e86\u4e00\u4e2a\u7b80\u5355\u7684UDP\u670d\u52a1\u5668\u7aef： <\/p>\n
import java.net.DatagramPacket;
\nimport java.net.DatagramSocket;<\/p>\n
public class UDPServer {
\n public static void main(String[] args) throws Exception {
\n DatagramSocket serverSocket = new DatagramSocket(9876);
\n byte[] buffer = new byte[1024];
\n DatagramPacket receivePacket = new DatagramPacket(buffer, buffer.length);
\n System.out.println("Waiting for client to send data…");
\n serverSocket.receive(receivePacket); \/\/ \u63a5\u6536\u6570\u636e
\n String sentence = new String(receivePacket.getData(), 0, receivePacket.getLength());
\n System.out.println("RECEIVED: " + sentence);
\n serverSocket.close();
\n }
\n}<\/p>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u670d\u52a1\u5668\u7aef\u901a\u8fc7\u6307\u5b9a\u7aef\u53e3（9876）\u76d1\u542c\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u6d88\u606f，\u5e76\u5c06\u5176\u6253\u5370\u5230\u63a7\u5236\u53f0\u3002 <\/p>\n
\u5728\u4e0b\u4e00\u7ae0\u4e2d，\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u5b9e\u73b0\u670d\u52a1\u5668\u7aef\u65f6\u95f4\u7684\u83b7\u53d6\u529f\u80fd，\u5e76\u4ecb\u7ecd\u5176\u80cc\u540e\u7684\u539f\u7406\u3002 <\/p>\n
\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d，\u65f6\u95f4\u7684\u4e00\u81f4\u6027\u5bf9\u4e8e\u4e8b\u4ef6\u7684\u8ddf\u8e2a\u548c\u65e5\u5fd7\u8bb0\u5f55\u81f3\u5173\u91cd\u8981\u3002\u670d\u52a1\u5668\u7cfb\u7edf\u65f6\u949f\u540c\u6b65\u662f\u901a\u8fc7\u7f51\u7edc\u65f6\u95f4\u534f\u8bae（NTP）\u4e0e\u5df2\u77e5\u65f6\u95f4\u6e90\u8fdb\u884c\u901a\u4fe1，\u4ece\u800c\u4fdd\u6301\u670d\u52a1\u5668\u65f6\u95f4\u7684\u51c6\u786e\u6027\u3002NTP\u662f\u4e00\u4e2a\u57fa\u4e8eUDP\u7684\u7f51\u7edc\u534f\u8bae，\u901a\u8fc7\u5206\u5c42\u65f6\u95f4\u670d\u52a1\u5668\u63d0\u4f9b\u65f6\u95f4\u540c\u6b65\u3002 <\/p>\n
NTP\u7684\u5de5\u4f5c\u539f\u7406 \u5982\u4e0b： <\/p>\n
\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd，\u670d\u52a1\u5668\u7cfb\u7edf\u901a\u5e38\u91c7\u7528\u4e13\u95e8\u7684\u5b88\u62a4\u8fdb\u7a0b，\u5982Linux\u4e2d\u7684 ntpd \u670d\u52a1，\u6216\u8005\u4f7f\u7528\u66f4\u73b0\u4ee3\u7684\u89e3\u51b3\u65b9\u6848，\u5982 chrony \u3002\u8fd9\u4e9b\u670d\u52a1\u80fd\u591f\u5904\u7406\u65f6\u95f4\u540c\u6b65\u903b\u8f91，\u5e76\u786e\u4fdd\u670d\u52a1\u5668\u7cfb\u7edf\u65f6\u949f\u7684\u51c6\u786e\u6027\u3002 <\/p>\n
\u65f6\u95f4\u670d\u52a1\u7684\u542f\u52a8\u548c\u76d1\u542c\u662f\u57fa\u4e8e\u4e00\u4e2a\u670d\u52a1\u5668\u7aef\u5e94\u7528\u7a0b\u5e8f，\u5b83\u53ef\u4ee5\u63a5\u6536\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42，\u5e76\u5c06\u5f53\u524d\u670d\u52a1\u5668\u65f6\u95f4\u54cd\u5e94\u7ed9\u5ba2\u6237\u7aef\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u5b9e\u73b0\u6b65\u9aa4： <\/p>\n
import java.net.DatagramPacket;
\nimport java.net.DatagramSocket;
\nimport java.time.LocalDateTime;<\/p>\n
public class TimeServer {
\n public static void main(String[] args) throws Exception {
\n DatagramSocket socket = new DatagramSocket(8000);
\n byte[] buffer = new byte[1024];
\n while (true) {
\n DatagramPacket request = new DatagramPacket(buffer, buffer.length);
\n socket.receive(request);
\n String requestInfo = new String(request.getData(), 0, request.getLength());
\n System.out.println("Received request: " + requestInfo);
\n LocalDateTime now = LocalDateTime.now();
\n String currentTime = now.toString();
\n byte[] currentTimeBytes = currentTime.getBytes();
\n DatagramPacket response = new DatagramPacket(currentTimeBytes, currentTimeBytes.length, request.getAddress(), request.getPort());
\n socket.send(response);
\n }
\n }
\n}<\/p>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4ee3\u7801\u4e2d，\u4e00\u4e2a\u7b80\u5355\u7684\u65f6\u95f4\u670d\u52a1\u5668\u88ab\u521b\u5efa，\u5b83\u76d1\u542c8000\u7aef\u53e3\u4e0a\u7684UDP\u6570\u636e\u5305\u3002\u5f53\u63a5\u6536\u5230\u6570\u636e\u5305\u65f6，\u5b83\u5c06\u89e3\u6790\u6570\u636e\u5305\u5185\u5bb9，\u83b7\u53d6\u5f53\u524d\u65f6\u95f4，\u5e76\u5c06\u65f6\u95f4\u4f5c\u4e3a\u54cd\u5e94\u53d1\u9001\u56de\u5ba2\u6237\u7aef\u3002 <\/p>\n
\u5728\u5b9e\u73b0\u65f6\u95f4\u670d\u52a1\u7684\u8fc7\u7a0b\u4e2d，Java\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684API\u548c\u5e93，\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u65b9\u4fbf\u5730\u5904\u7406UDP\u901a\u4fe1\u548c\u65f6\u95f4\u6570\u636e\u3002\u9664\u4e86\u57fa\u672c\u7684UDP\u670d\u52a1\u5668\u642d\u5efa\u5916，\u8fd8\u9700\u8981\u8003\u8651\u5f02\u5e38\u5904\u7406\u3001\u6027\u80fd\u4f18\u5316\u548c\u5b89\u5168\u7b49\u95ee\u9898\u3002 <\/p>\n
Java\u4e2d\u5b9e\u73b0\u65f6\u95f4\u670d\u52a1\u7684\u6b65\u9aa4 \u53ef\u80fd\u5305\u62ec： <\/p>\n
\u65f6\u95f4\u6570\u636e\u7684\u5c01\u88c5\u662f\u53d1\u9001\u8fc7\u7a0b\u4e2d\u7684\u91cd\u8981\u6b65\u9aa4，\u786e\u4fdd\u65f6\u95f4\u6570\u636e\u80fd\u591f\u51c6\u786e\u65e0\u8bef\u5730\u901a\u8fc7\u7f51\u7edc\u4f20\u8f93\u3002\u5728Java\u4e2d，\u65f6\u95f4\u6570\u636e\u53ef\u4ee5\u4f7f\u7528 java.time \u5305\u4e2d\u7684\u7c7b\u6765\u5c01\u88c5\u548c\u5904\u7406\u3002 <\/p>\n
import java.time.format.DateTimeFormatter;
\nimport java.time.LocalDateTime;
\nimport java.net.DatagramPacket;
\nimport java.net.DatagramSocket;<\/p>\n
public class TimeServer {
\n private static final DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");<\/p>\n
public static void main(String[] args) throws Exception {
\n try (DatagramSocket socket = new DatagramSocket(8000)) {
\n byte[] buffer = new byte[1024];
\n while (true) {
\n DatagramPacket request = new DatagramPacket(buffer, buffer.length);
\n socket.receive(request);<\/p>\n
LocalDateTime currentTime = LocalDateTime.now();
\n String currentTimeStr = currentTime.format(formatter);
\n byte[] currentTimeBytes = currentTimeStr.getBytes();<\/p>\n
DatagramPacket response = new DatagramPacket(currentTimeBytes, currentTimeBytes.length, request.getAddress(), request.getPort());
\n socket.send(response);
\n }
\n }
\n }
\n}<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u65f6\u95f4\u6570\u636e\u88ab\u683c\u5f0f\u5316\u4e3a\u5b57\u7b26\u4e32，\u4e4b\u540e\u8f6c\u6362\u4e3a\u5b57\u8282\u6570\u7ec4，\u4ee5\u4fbf\u4e8e\u7f51\u7edc\u4f20\u8f93\u3002 java.time.format.DateTimeFormatter \u7528\u4e8e\u5b9a\u4e49\u65f6\u95f4\u683c\u5f0f，\u4f7f\u5f97\u65f6\u95f4\u6570\u636e\u5728\u5ba2\u6237\u7aef\u663e\u793a\u65f6\u4fdd\u6301\u4e00\u81f4\u7684\u683c\u5f0f\u3002 <\/p>\n
\u65f6\u95f4\u670d\u52a1\u7684\u5b9e\u73b0\u4e0d\u4ec5\u8981\u5173\u6ce8\u6570\u636e\u7684\u4f20\u8f93，\u8fd8\u5e94\u5f53\u5173\u6ce8\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u591a\u7ebf\u7a0b\u6765\u63d0\u5347\u5e76\u53d1\u5904\u7406\u80fd\u529b，\u4ee5\u53ca\u91c7\u7528\u52a0\u5bc6\u534f\u8bae\u6765\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u3002 <\/p>\n
\u901a\u8fc7\u672c\u7ae0\u8282\u7684\u4ecb\u7ecd，\u8bfb\u8005\u5e94\u5df2\u5bf9\u670d\u52a1\u5668\u7aef\u65f6\u95f4\u83b7\u53d6\u7684\u539f\u7406\u548c\u5b9e\u8df5\u6709\u4e86\u5168\u9762\u7684\u8ba4\u8bc6\u3002\u4e0b\u9762\u7684\u7ae0\u8282\u5c06\u8be6\u7ec6\u8ba8\u8bba\u5ba2\u6237\u7aef\u5982\u4f55\u53d1\u9001\u65f6\u95f4\u8bf7\u6c42\u4ee5\u53ca\u5982\u4f55\u63a5\u6536\u548c\u5904\u7406\u670d\u52a1\u5668\u7aef\u53d1\u9001\u8fc7\u6765\u7684\u65f6\u95f4\u6570\u636e\u3002 <\/p>\n
\u5728\u5b9e\u73b0\u5ba2\u6237\u7aef\u65f6\u95f4\u8bf7\u6c42\u673a\u5236\u65f6，\u9996\u5148\u9700\u8981\u7406\u89e3\u5ba2\u6237\u7aef\u5982\u4f55\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\u3002\u5ba2\u6237\u7aef\u901a\u8fc7UDP\u534f\u8bae\u53d1\u9001\u4e00\u4e2a\u5305\u542b\u65f6\u95f4\u8bf7\u6c42\u7684IP\u6570\u636e\u5305\u5230\u670d\u52a1\u5668\u3002\u5728Java\u4e2d，\u4f7f\u7528DatagramSocket\u548cDatagramPacket\u7c7b\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u8fd9\u4e00\u8fc7\u7a0b\u3002 <\/p>\n
public void sendTimeRequest(InetAddress serverAddress, int serverPort) throws IOException {
\n try (DatagramSocket socket = new DatagramSocket()) {
\n \/\/ \u51c6\u5907\u8bf7\u6c42\u6570\u636e\u5305
\n byte[] buffer = new byte[1024];
\n DatagramPacket request = new DatagramPacket(buffer, buffer.length);<\/p>\n
\/\/ \u53d1\u9001\u8bf7\u6c42\u5230\u670d\u52a1\u5668
\n socket.send(request);
\n }
\n}<\/p>\n
\u8be5\u65b9\u6cd5\u4e2d，\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2aDatagramSocket\u5b9e\u4f8b，\u7136\u540e\u521b\u5efa\u4e86\u4e00\u4e2aDatagramPacket\u5b9e\u4f8b，\u7528\u4e8e\u5c01\u88c5\u8bf7\u6c42\u6570\u636e\u548c\u670d\u52a1\u5668\u5730\u5740\u4fe1\u606f\u3002\u901a\u8fc7\u8c03\u7528socket\u7684send\u65b9\u6cd5，\u5c06\u8bf7\u6c42\u6570\u636e\u5305\u53d1\u9001\u51fa\u53bb\u3002\u8fd9\u91cc\u7684 InetAddress serverAddress \u548c int serverPort \u5206\u522b\u4ee3\u8868\u670d\u52a1\u5668\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002 <\/p>\n
\u4e3a\u4e86\u786e\u4fdd\u8bf7\u6c42\u80fd\u88ab\u670d\u52a1\u5668\u6b63\u786e\u89e3\u6790，\u6211\u4eec\u9700\u8981\u6309\u7167\u4e00\u5b9a\u7684\u534f\u8bae\u683c\u5f0f\u5c01\u88c5\u8bf7\u6c42\u6d88\u606f\u3002\u5ba2\u6237\u7aef\u5c06\u6d88\u606f\u5c01\u88c5\u6210\u5b57\u8282\u6570\u7ec4，\u7136\u540e\u901a\u8fc7DatagramPacket\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u3002 <\/p>\n
public byte[]\u5c01\u88c5\u8bf7\u6c42\u6d88\u606f() {
\n \/\/ \u5047\u8bbe\u6211\u4eec\u4f7f\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u534f\u8bae：\u524d\u56db\u4e2a\u5b57\u8282\u8868\u793a\u8bf7\u6c42\u7c7b\u578b，\u540e\u9762\u8ddf\u8bf7\u6c42\u5185\u5bb9
\n byte[] message = new byte[4 + …]; \/\/ \u6839\u636e\u5b9e\u9645\u534f\u8bae\u957f\u5ea6\u8c03\u6574
\n \/\/ \u5c06\u8bf7\u6c42\u7c7b\u578b\u5c01\u88c5\u5230message\u4e2d
\n \/\/ …\u586b\u5145\u6570\u636e…
\n return message;
\n}<\/p>\n
\u670d\u52a1\u5668\u7aef\u63a5\u6536\u5230\u8be5DatagramPacket\u540e，\u4f1a\u89e3\u6790\u5176\u4e2d\u7684\u6570\u636e\u3002\u89e3\u6790\u8fc7\u7a0b\u6d89\u53ca\u5230\u5b57\u8282\u6570\u636e\u7684\u63d0\u53d6，\u9700\u8981\u6309\u7167\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u534f\u8bae\u6765\u6b63\u786e\u5904\u7406\u3002 <\/p>\n
\u5f53\u5ba2\u6237\u7aef\u6210\u529f\u53d1\u9001\u8bf7\u6c42\u4e4b\u540e，\u5b83\u5c06\u8fdb\u5165\u7b49\u5f85\u54cd\u5e94\u7684\u72b6\u6001\u3002\u5ba2\u6237\u7aef\u9700\u8981\u6709\u4e00\u4e2a\u63a5\u6536\u673a\u5236，\u80fd\u591f\u63a5\u6536\u6765\u81ea\u670d\u52a1\u5668\u7684\u65f6\u95f4\u6570\u636e\u3002 <\/p>\n
public byte[] receiveTimeData(InetAddress serverAddress, int serverPort) throws IOException {
\n try (DatagramSocket socket = new DatagramSocket()) {
\n byte[] buffer = new byte[1024];
\n DatagramPacket response = new DatagramPacket(buffer, buffer.length, serverAddress, serverPort);<\/p>\n
\/\/ \u7b49\u5f85\u670d\u52a1\u5668\u54cd\u5e94
\n socket.receive(response);
\n \/\/ \u4ece\u54cd\u5e94\u6570\u636e\u5305\u4e2d\u63d0\u53d6\u65f6\u95f4\u6570\u636e
\n return Arrays.copyOfRange(buffer, response.getOffset(), response.getLength());
\n }
\n}<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u6211\u4eec\u540c\u6837\u521b\u5efa\u4e86\u4e00\u4e2aDatagramSocket\u5b9e\u4f8b，\u4f46\u662f\u8fd9\u6b21\u4f7f\u7528 receive \u65b9\u6cd5\u7b49\u5f85\u670d\u52a1\u5668\u53d1\u9001\u7684\u6570\u636e\u5305\u3002\u4e00\u65e6\u6570\u636e\u5305\u5230\u8fbe，\u6211\u4eec\u5c31\u4ece\u6570\u636e\u5305\u4e2d\u63d0\u53d6\u65f6\u95f4\u6570\u636e\u5e76\u8fd4\u56de\u3002 <\/p>\n
\u4ece\u670d\u52a1\u5668\u63a5\u6536\u5230\u7684\u65f6\u95f4\u6570\u636e\u901a\u5e38\u662f\u4ee5\u6807\u51c6\u683c\u5f0f（\u5982ISO 8601）\u8fdb\u884c\u4f20\u8f93\u7684，\u5ba2\u6237\u7aef\u9700\u8981\u5c06\u8fd9\u4e9b\u65f6\u95f4\u6570\u636e\u8f6c\u6362\u4e3a\u672c\u5730\u5316\u7684\u65f6\u95f4\u683c\u5f0f，\u4ee5\u4fbf\u663e\u793a\u7ed9\u7528\u6237\u3002 <\/p>\n
public LocalDateTime \u65f6\u95f4\u6570\u636e\u672c\u5730\u5316\u5904\u7406(byte[] timeData) {
\n \/\/ \u5047\u8bbe\u65f6\u95f4\u6570\u636e\u662f\u4ee5\u67d0\u79cd\u6807\u51c6\u683c\u5f0f\u7f16\u7801
\n String standardTimeStr = new String(timeData);
\n DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSS");
\n return LocalDateTime.parse(standardTimeStr, formatter);
\n}<\/p>\n
\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u4e86Java 8\u5f15\u5165\u7684 java.time \u5305\u4e2d\u7684\u7c7b\u548c\u65b9\u6cd5\u6765\u5904\u7406\u65f6\u95f4\u6570\u636e\u3002 DateTimeFormatter \u7528\u4e8e\u5b9a\u4e49\u548c\u89e3\u6790\u65f6\u95f4\u6570\u636e\u7684\u683c\u5f0f，\u800c LocalDateTime \u7528\u4e8e\u8868\u793a\u6ca1\u6709\u65f6\u533a\u7684\u65e5\u671f\u65f6\u95f4\u503c\u3002 <\/p>\n
\u8bf7\u6ce8\u610f，\u4ee5\u4e0a\u4ee3\u7801\u4ec5\u4e3a\u793a\u4f8b，\u5e76\u6ca1\u6709\u5305\u542b\u5f02\u5e38\u5904\u7406\u548c\u5b8c\u6574\u7684\u534f\u8bae\u903b\u8f91，\u5b9e\u9645\u5e94\u7528\u4e2d\u9700\u8981\u6dfb\u52a0\u5b8c\u6574\u7684\u9519\u8bef\u5904\u7406\u673a\u5236\u4ee5\u53ca\u534f\u8bae\u7684\u5177\u4f53\u7ec6\u8282\u3002\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u5c06\u6df1\u5165\u8ba8\u8bba\u5982\u4f55\u5728Java GUI\u4e2d\u5c55\u793a\u8fd9\u4e9b\u65f6\u95f4\u4fe1\u606f\u3002 <\/p>\n
\u5728\u5f53\u4eca\u7684\u8f6f\u4ef6\u5f00\u53d1\u9886\u57df，\u56fe\u5f62\u7528\u6237\u754c\u9762（Graphical User Interface，GUI）\u662f\u4e0e\u7528\u6237\u4ea4\u4e92\u7684\u91cd\u8981\u65b9\u5f0f\u3002Java\u8bed\u8a00\u81ea\u8bde\u751f\u4e4b\u521d\u5c31\u5185\u7f6e\u4e86\u4e30\u5bcc\u7684GUI\u5f00\u53d1\u5de5\u5177\u5305\u3002\u5b83\u4eceAWT（Abstract Window Toolkit）\u53d1\u5c55\u5230Swing，\u5e76\u5728\u6b64\u57fa\u7840\u4e0a\u6269\u5c55\u4e86JavaFX，\u63d0\u4f9b\u4e86\u66f4\u52a0\u73b0\u4ee3\u5316\u7684\u5f00\u53d1\u6846\u67b6\u548c\u4e30\u5bcc\u7684\u63a7\u4ef6\u3002\u901a\u8fc7\u8fd9\u4e9b\u5de5\u5177\u5305，\u5f00\u53d1\u8005\u53ef\u4ee5\u8bbe\u8ba1\u51fa\u5177\u6709\u9ad8\u5ea6\u53ef\u5b9a\u5236\u6027\u7684\u7528\u6237\u754c\u9762，\u5e76\u4e14\u80fd\u591f\u8de8\u5e73\u53f0\u5de5\u4f5c\u3002 <\/p>\n
GUI\u7684\u5f00\u53d1\u5f80\u5f80\u9700\u8981\u8003\u8651\u5230\u7528\u6237\u4f53\u9a8c\u3001\u754c\u9762\u7f8e\u89c2\u548c\u64cd\u4f5c\u7b80\u4fbf\u7b49\u591a\u65b9\u9762\u56e0\u7d20\u3002\u4e00\u4e2a\u826f\u597d\u7684GUI\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u5347\u8f6f\u4ef6\u7684\u53ef\u7528\u6027，\u8fd8\u53ef\u4ee5\u589e\u5f3a\u7528\u6237\u5bf9\u8f6f\u4ef6\u7684\u7b2c\u4e00\u5370\u8c61\u3002\u5728\u65f6\u95f4\u663e\u793a\u5e94\u7528\u4e2d，GUI\u7684\u8bbe\u8ba1\u9700\u8981\u7b80\u6d01\u76f4\u89c2，\u8ba9\u4f7f\u7528\u8005\u80fd\u591f\u8f7b\u677e\u9605\u8bfb\u5f53\u524d\u7684\u65f6\u95f4\u3002 <\/p>\n
Java\u7684Swing\u5e93\u63d0\u4f9b\u4e86\u4e00\u5957\u4e30\u5bcc\u7684GUI\u7ec4\u4ef6，\u53ef\u4ee5\u7528\u6765\u6784\u5efa\u529f\u80fd\u5b8c\u5907\u7684\u684c\u9762\u5e94\u7528\u7a0b\u5e8f\u3002\u5176\u4e2d\u5305\u62ec\u4e86\u7528\u4e8e\u5e03\u5c40\u7684\u5bb9\u5668，\u5982JFrame\u3001JPanel\u7b49；\u7528\u4e8e\u663e\u793a\u4fe1\u606f\u7684\u6807\u7b7e，\u5982JLabel；\u4ee5\u53ca\u7528\u6237\u53ef\u4ee5\u4ea4\u4e92\u7684\u7ec4\u4ef6，\u4f8b\u5982JButton\u3001JTextField\u7b49\u3002 <\/p>\n
\u5728\u521b\u5efaGUI\u65f6，\u6211\u4eec\u901a\u5e38\u9996\u5148\u521b\u5efa\u4e00\u4e2aJFrame\u4f5c\u4e3a\u57fa\u7840\u7a97\u53e3，\u7136\u540e\u5411\u5176\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u6216\u591a\u4e2aJPanel\u4f5c\u4e3a\u5185\u90e8\u5e03\u5c40\u7684\u5bb9\u5668\u3002\u5728JPanel\u5185，\u6211\u4eec\u53ef\u4ee5\u81ea\u7531\u5730\u6dfb\u52a0JLabel\u3001JButton\u7b49\u7ec4\u4ef6，\u5e76\u4e14\u53ef\u4ee5\u4f7f\u7528\u5e03\u5c40\u7ba1\u7406\u5668\u5bf9\u5b83\u4eec\u8fdb\u884c\u6709\u6548\u7684\u5e03\u5c40\u5b89\u6392\u3002 <\/p>\n
\u4e3a\u4e86\u5b9e\u73b0\u4e00\u4e2a\u65f6\u95f4\u5c55\u793a\u754c\u9762，\u6211\u4eec\u9996\u5148\u9700\u8981\u786e\u5b9a\u754c\u9762\u7684\u57fa\u672c\u5e03\u5c40\u548c\u6240\u4f7f\u7528\u5230\u7684\u7ec4\u4ef6\u3002\u4e00\u4e2a\u7b80\u5355\u7684\u65f6\u95f4\u663e\u793a\u754c\u9762\u53ef\u80fd\u5305\u542b\u4ee5\u4e0b\u51e0\u4e2a\u57fa\u672c\u5143\u7d20： <\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d，\u6211\u4eec\u5c06\u4f7f\u7528Swing\u7684\u7ec4\u4ef6\u6765\u5b9e\u73b0\u8fd9\u4e2a\u65f6\u95f4\u663e\u793a\u754c\u9762\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b： <\/p>\n
\u5728GUI\u5e94\u7528\u4e2d，\u5b9e\u65f6\u66f4\u65b0\u663e\u793a\u6570\u636e\u662f\u5e38\u89c1\u9700\u6c42\u3002\u4f8b\u5982，\u5728\u6211\u4eec\u7684\u5e94\u7528\u573a\u666f\u4e2d，\u9700\u8981\u5b9e\u65f6\u66f4\u65b0\u663e\u793a\u5f53\u524d\u7684\u670d\u52a1\u5668\u65f6\u95f4\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528Swing\u7684\u5b9a\u65f6\u5668（javax.swing.Timer）\u6765\u5b9e\u73b0\u3002 <\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u65f6\u95f4\u66f4\u65b0\u5668\u7684\u5b9e\u73b0\u793a\u4f8b： <\/p>\n
import javax.swing.*;
\nimport java.awt.event.ActionEvent;
\nimport java.awt.event.ActionListener;
\nimport java.text.SimpleDateFormat;
\nimport java.util.Date;<\/p>\n
public class TimeDisplayFrame extends JFrame {<\/p>\n
private JLabel timeLabel;
\n private Timer timer;<\/p>\n
public TimeDisplayFrame() {
\n \/\/ \u521d\u59cb\u5316\u7ec4\u4ef6
\n timeLabel = new JLabel();
\n JButton updateTimeButton = new JButton("Update Time");
\n \/\/ \u8bbe\u7f6e\u5e03\u5c40
\n setLayout(new FlowLayout());
\n add(timeLabel);
\n add(updateTimeButton);
\n \/\/ \u5b9a\u4e49\u663e\u793a\u65f6\u95f4\u7684\u683c\u5f0f
\n SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss");
\n updateTimeButton.addActionListener(new ActionListener() {
\n @Override
\n public void actionPerformed(ActionEvent e) {
\n \/\/ \u70b9\u51fb\u6309\u94ae\u65f6\u66f4\u65b0\u65f6\u95f4
\n updateTime();
\n }
\n });
\n \/\/ \u5b9a\u65f6\u66f4\u65b0\u65f6\u95f4
\n timer = new Timer(1000, new ActionListener() {
\n @Override
\n public void actionPerformed(ActionEvent e) {
\n updateTime();
\n }
\n });
\n timer.start();
\n \/\/ \u521d\u59cb\u5316\u65f6\u95f4\u663e\u793a
\n updateTime();
\n \/\/ \u8bbe\u7f6e\u7a97\u53e3\u5c5e\u6027
\n setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
\n setSize(300, 200);
\n setVisible(true);
\n }<\/p>\n
private void updateTime() {
\n \/\/ \u66f4\u65b0\u65f6\u95f4\u663e\u793a
\n timeLabel.setText(dateFormat.format(new Date()));
\n }<\/p>\n
public static void main(String[] args) {
\n new TimeDisplayFrame();
\n }
\n}<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d，\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a TimeDisplayFrame \u7c7b，\u5b83\u7ee7\u627f\u81ea JFrame \u3002\u5728\u8fd9\u4e2a\u7c7b\u4e2d，\u6211\u4eec\u521d\u59cb\u5316\u4e86\u4e00\u4e2a JLabel \u6765\u663e\u793a\u65f6\u95f4，\u4e00\u4e2a JButton \u6765\u5141\u8bb8\u7528\u6237\u624b\u52a8\u66f4\u65b0\u65f6\u95f4，\u4ee5\u53ca\u4e00\u4e2a javax.swing.Timer \u6765\u6bcf\u79d2\u81ea\u52a8\u66f4\u65b0\u663e\u793a\u7684\u65f6\u95f4\u3002\u5b9a\u65f6\u5668\u7684\u56de\u8c03\u51fd\u6570\u4e2d\u8c03\u7528\u4e86 updateTime \u65b9\u6cd5，\u8be5\u65b9\u6cd5\u5c06\u5f53\u524d\u65f6\u95f4\u683c\u5f0f\u5316\u540e\u8bbe\u7f6e\u5230 timeLabel \u4e0a\u3002 <\/p>\n
\u8bf7\u6ce8\u610f，\u4e3a\u4e86\u4fdd\u8bc1\u754c\u9762\u7684\u54cd\u5e94\u6027，\u6240\u6709\u7684\u66f4\u65b0\u64cd\u4f5c（\u65e0\u8bba\u662f\u7531\u5b9a\u65f6\u5668\u89e6\u53d1\u8fd8\u662f\u7528\u6237\u64cd\u4f5c\u89e6\u53d1）\u90fd\u5e94\u5728\u4e8b\u4ef6\u8c03\u5ea6\u7ebf\u7a0b（Event Dispatch Thread，EDT）\u4e2d\u6267\u884c，\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u4eec\u4f7f\u7528\u4e86Swing\u7684\u5b9a\u65f6\u5668\u800c\u4e0d\u662fJava\u7684 java.util.Timer \u3002 <\/p>\n
\u65f6\u95f4\u5c55\u793a\u754c\u9762\u7684\u8bbe\u8ba1\u548c\u5b9e\u73b0\u662fGUI\u5f00\u53d1\u4e2d\u7684\u4e00\u4e2a\u57fa\u7840\u73af\u8282，\u4f46\u4e5f\u662f\u81f3\u5173\u91cd\u8981\u7684\u4e00\u6b65\u3002\u901a\u8fc7\u672c\u8282\u7684\u5185\u5bb9，\u6211\u4eec\u4e86\u89e3\u4e86\u5982\u4f55\u4f7f\u7528Swing\u7ec4\u4ef6\u6784\u5efa\u754c\u9762，\u5e76\u5b9e\u73b0\u4e86\u65f6\u95f4\u6570\u636e\u7684\u5b9e\u65f6\u66f4\u65b0\u3002\u8fd9\u4e9b\u77e5\u8bc6\u5bf9\u4e8e\u5f00\u53d1\u5177\u6709\u4ea4\u4e92\u6027\u8d28\u7684\u5e94\u7528\u7a0b\u5e8f\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n
\u5728\u5f00\u53d1\u65f6\u95f4\u670d\u52a1\u65f6，\u6211\u4eec\u7ecf\u5e38\u9047\u5230\u7684\u5f02\u5e38\u7c7b\u578b\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e SocketException , IOException , ClassNotFoundException , \u4ee5\u53ca\u4e0e\u65f6\u95f4\u540c\u6b65\u76f8\u5173\u7684\u95ee\u9898\u5982 IllegalArgumentException \u3002\u6b63\u786e\u5904\u7406\u8fd9\u4e9b\u5f02\u5e38\u5bf9\u4e8e\u786e\u4fdd\u670d\u52a1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n
\u4ee5\u4e0b\u662f\u5f02\u5e38\u5904\u7406\u7684\u4e00\u4e9b\u57fa\u672c\u7b56\u7565： <\/p>\n
\u6355\u83b7\u4e0e\u65e5\u5fd7\u8bb0\u5f55 ：\u6355\u83b7\u5f02\u5e38\u5e76\u8bb0\u5f55\u8be6\u7ec6\u4fe1\u606f，\u6709\u52a9\u4e8e\u5feb\u901f\u5b9a\u4f4d\u95ee\u9898\u3002\u4f8b\u5982，\u5728Java\u4e2d\u4f7f\u7528 try-catch \u8bed\u53e5\u5757\u6765\u6355\u83b7\u5f02\u5e38，\u5e76\u4f7f\u7528 java.util.logging \u8fdb\u884c\u65e5\u5fd7\u8bb0\u5f55\u3002 <\/p>\n
java try { \/\/ \u4ee3\u7801\u6bb5，\u53ef\u80fd\u4f1a\u629b\u51fa\u5f02\u5e38 } catch (SocketException e) { logger.log(Level.SEVERE, "SocketException occurred", e); } catch (IOException e) { logger.log(Level.SEVERE, "IOException occurred", e); } <\/p>\n<\/li>\n
\u8d44\u6e90\u6e05\u7406 ：\u5728\u5f02\u5e38\u53d1\u751f\u65f6，\u786e\u4fdd\u8d44\u6e90\u5f97\u5230\u6b63\u786e\u91ca\u653e，\u907f\u514d\u8d44\u6e90\u6cc4\u9732\u3002\u901a\u5e38\u4e0e finally \u5757\u4e00\u8d77\u4f7f\u7528\u3002 <\/p>\n
java try { \/\/ \u4f7f\u7528\u8d44\u6e90，\u4f8b\u5982Socket\u8fde\u63a5 } catch (Exception e) { \/\/ \u5f02\u5e38\u5904\u7406 } finally { if (socket != null) { try { socket.close(); } catch (IOException e) { \/\/ \u8fdb\u4e00\u6b65\u5904\u7406\u5f02\u5e38，\u6216\u8005\u7b80\u5355\u5730\u8bb0\u5f55 } } } <\/p>\n<\/li>\n
\u5f02\u5e38\u8f6c\u6362 ：\u6709\u65f6\u4e3a\u4e86\u63d0\u4f9b\u66f4\u6e05\u6670\u7684\u9519\u8bef\u4fe1\u606f，\u5f00\u53d1\u8005\u4f1a\u5c06\u5e95\u5c42\u5f02\u5e38\u8f6c\u6362\u4e3a\u5177\u6709\u4e1a\u52a1\u542b\u4e49\u7684\u5f02\u5e38\u7c7b\u578b\u3002 <\/p>\n
java try { \/\/ \u53ef\u80fd\u629b\u51fa\u5f02\u5e38\u7684\u4ee3\u7801 } catch (Exception e) { throw new TimeServiceException("\u65e0\u6cd5\u4ece\u670d\u52a1\u5668\u83b7\u53d6\u65f6\u95f4", e); } <\/p>\n<\/li>\n<\/ul>\n
\u5728Java GUI\u5e94\u7528\u4e2d，\u5f02\u5e38\u53ef\u80fd\u5728\u4efb\u4f55\u65f6\u523b\u53d1\u751f，\u5c24\u5176\u662f\u6d89\u53ca\u7f51\u7edc\u901a\u4fe1\u65f6\u3002\u5f02\u5e38\u5904\u7406\u7684\u4e00\u4e2a\u5173\u952e\u5b9e\u8df5\u662f\u5728\u975eUI\u7ebf\u7a0b\u4e2d\u5904\u7406\u5f02\u5e38，\u5e76\u901a\u8fc7\u9002\u5f53\u7684\u65b9\u5f0f\u901a\u77e5UI\u7ebf\u7a0b\u8fdb\u884c\u66f4\u65b0\u3002 <\/p>\n
\u4e00\u4e2a\u5178\u578b\u7684\u5b9e\u8df5\u662f\u4f7f\u7528 SwingWorker \u8fdb\u884c\u540e\u53f0\u4efb\u52a1\u5904\u7406，\u7136\u540e\u5728 done() \u65b9\u6cd5\u4e2d\u66f4\u65b0UI\u3002 <\/p>\n
SwingWorker<Void, Void> worker = new SwingWorker<Void, Void>() {
\n @Override
\n protected Void doInBackground() throws Exception {
\n try {
\n \/\/ \u83b7\u53d6\u65f6\u95f4\u7684\u4ee3\u7801
\n } catch (Exception e) {
\n \/\/ \u5f02\u5e38\u5904\u7406
\n throw new Exception(e);
\n }
\n return null;
\n }<\/p>\n
@Override
\n protected void done() {
\n try {
\n get(); \/\/ \u5c06\u5f02\u5e38\u91cd\u65b0\u629b\u51fa
\n } catch (Exception e) {
\n \/\/ \u5728\u8fd9\u91cc\u66f4\u65b0UI\u7ec4\u4ef6，\u663e\u793a\u9519\u8bef\u4fe1\u606f
\n timeLabel.setText("\u65e0\u6cd5\u83b7\u53d6\u65f6\u95f4");
\n }
\n }
\n};
\nworker.execute();<\/p>\n
\u5728GUI\u5e94\u7528\u7a0b\u5e8f\u4e2d，\u7ebf\u7a0b\u5b89\u5168\u5c24\u4e3a\u91cd\u8981，\u56e0\u4e3aGUI\u7ec4\u4ef6\u4e0d\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002\u8fd9\u610f\u5473\u7740\u53ea\u6709\u521b\u5efaGUI\u7684\u4e3b\u7ebf\u7a0b（\u901a\u5e38\u79f0\u4e3a\u4e8b\u4ef6\u5206\u53d1\u7ebf\u7a0bEDT）\u53ef\u4ee5\u66f4\u65b0GUI\u7ec4\u4ef6\u3002\u5982\u679c\u5176\u4ed6\u7ebf\u7a0b\u5c1d\u8bd5\u66f4\u65b0GUI，\u5c31\u4f1a\u53d1\u751f\u4e0d\u53ef\u9884\u6d4b\u7684\u884c\u4e3a\u3002 <\/p>\n
\u4e3a\u786e\u4fdd\u7ebf\u7a0b\u5b89\u5168\u7684GUI\u66f4\u65b0，Java\u63d0\u4f9b\u4e86\u51e0\u4e2a\u5de5\u5177\u548c\u6a21\u5f0f： <\/p>\n
\u4f7f\u7528 SwingUtilities.invokeLater ：\u8fd9\u662f\u6700\u7b80\u5355\u4e14\u6700\u5e38\u7528\u7684\u65b9\u6cd5，\u9002\u5408\u5728\u4efb\u4f55\u7ebf\u7a0b\u4e2d\u5c06\u4efb\u52a1\u59d4\u6258\u7ed9EDT\u6267\u884c\u3002 <\/p>\n
java SwingUtilities.invokeLater(new Runnable() { public void run() { timeLabel.setText("\u5f53\u524d\u65f6\u95f4: " + currentTime); } }); <\/p>\n<\/li>\n
\u4f7f\u7528 SwingWorker \u7684 publish \u548c process \u65b9\u6cd5 ：\u8fd9\u662f\u5728\u540e\u53f0\u7ebf\u7a0b\u4e2d\u5904\u7406\u6570\u636e，\u5e76\u5b89\u5168\u5730\u66f4\u65b0GUI\u7684\u9ad8\u7ea7\u65b9\u6cd5\u3002 <\/p>\n
```java public class TimeWorker extends SwingWorker <\/p>\n
{ @Override protected LocalTime doInBackground() throws Exception { \/\/ \u83b7\u53d6\u65f6\u95f4\u7684\u4ee3\u7801 return currentTime; }\n <\/p>\n
@Override
\nprotected void process(List<Void> chunks) {
\n \/\/ \u66f4\u65b0GUI
\n timeLabel.setText("\u5f53\u524d\u65f6\u95f4: " + currentTime);
\n}<\/p>\n
} ``` <\/p>\n<\/li>\n
\u4f7f\u7528 invokeAndWait \u65b9\u6cd5 ：\u5f53\u9700\u8981\u5728EDT\u4e2d\u6267\u884c\u4e00\u4e9b\u521d\u59cb\u5316\u64cd\u4f5c，\u4f8b\u5982\u5728\u7a97\u53e3\u663e\u793a\u4e4b\u524d\u8bbe\u7f6e\u6570\u636e\u65f6，\u53ef\u4ee5\u4f7f\u7528\u6b64\u65b9\u6cd5\u963b\u585e\u5f53\u524d\u7ebf\u7a0b\u76f4\u5230\u4efb\u52a1\u5728EDT\u4e2d\u5b8c\u6210\u3002 <\/p>\n
java try { SwingUtilities.invokeAndWait(new Runnable() { @Override public void run() { timeLabel.setText("\u5f53\u524d\u65f6\u95f4: " + currentTime); } }); } catch (Exception e) { \/\/ \u5f02\u5e38\u5904\u7406 } <\/p>\n<\/li>\n<\/ul>\n
\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d，\u7ed3\u5408\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u548c\u6a21\u5f0f，\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u8bc1GUI\u5e94\u7528\u7a0b\u5e8f\u7684\u7ebf\u7a0b\u5b89\u5168\u548c\u826f\u597d\u7684\u7528\u6237\u4f53\u9a8c\u3002 <\/p>\n
\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p>\n
\u7b80\u4ecb：\u672c\u6587\u4ecb\u7ecd\u4e86\u5728Java\u4e2d\u5982\u4f55\u901a\u8fc7UDP\u534f\u8bae\u5b9e\u73b0\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u95f4\u7684\u65f6\u95f4\u901a\u4fe1，\u5e76\u901a\u8fc7\u56fe\u5f62\u7528\u6237\u754c\u9762(GUI)\u5c55\u793a\u670d\u52a1\u5668\u8fd4\u56de\u7684\u65f6\u95f4\u3002\u6d89\u53ca\u4e86UDP\u901a\u4fe1\u7684\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u8bbe\u8ba1，\u5305\u62ec\u4f7f\u7528 DatagramSocket \u548c DatagramPacket \u7c7b\u8fdb\u884c\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536，\u540c\u65f6\u5305\u62ec\u5f02\u5e38\u5904\u7406\u548cGUI\u7684\u6784\u5efa\u3002\u6b64\u5916，\u63d0\u4f9b\u4e86\u4ee3\u7801\u793a\u4f8b，\u8bf4\u660e\u4e86\u5982\u4f55\u901a\u8fc7\u6309\u94ae\u70b9\u51fb\u89e6\u53d1\u8bf7\u6c42\u5e76\u66f4\u65b0GUI\u6765\u663e\u793a\u670d\u52a1\u5668\u65f6\u95f4\u3002 <\/p>\n
\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p><\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb721\u6b21\uff0c\u70b9\u8d5e26\u6b21\uff0c\u6536\u85cf17\u6b21\u3002\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae\uff08UDP\uff09\u662f\u4e00\u79cd\u65e0\u8fde\u63a5\u7684\u7f51\u7edc\u4f20\u8f93\u534f\u8bae\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u4f46\u4e0d\u53ef\u9760\u7684\u4fe1\u606f\u4f20\u8f93\u670d\u52a1\u3002\u4e0eTCP\u76f8\u6bd4\uff0cUDP\u4e0d\u4fdd\u8bc1\u6d88\u606f\u7684\u987a\u5e8f\u6216\u53ef\u9760\u6027\uff0c\u4f46\u5b83\u7684\u4f18\u70b9\u5728\u4e8e\u8f83\u4f4e\u7684\u4f20\u8f93\u5ef6\u8fdf\uff0c\u5e38\u7528\u4e8e\u5b9e\u65f6\u6027\u5f3a\u4e14\u5bf9\u6570\u636e\u4e00\u81f4\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u5e94\u7528\u3002\u5728\u5f53\u4eca\u7684\u8f6f\u4ef6\u5f00\u53d1\u9886\u57df\uff0c\u56fe\u5f62\u7528\u6237\u754c\u9762\uff08Graphical User Interface\uff0cGUI\uff09\u662f\u4e0e\u7528\u6237\u4ea4\u4e92\u7684\u91cd\u8981\u65b9\u5f0f\u3002Java\u8bed\u8a00\u81ea\u8bde\u751f\u4e4b\u521d\u5c31\u5185\u7f6e\u4e86\u4e30\u5bcc\u7684GUI\u5f00\u53d1\u5de5\u5177\u5305\u3002<\/p>\n","protected":false},"author":2,"featured_media":34747,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-34749","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server"],"yoast_head":"\n