{"id":9725,"date":"2025-04-18T17:37:04","date_gmt":"2025-04-18T09:37:04","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/9725.html"},"modified":"2025-04-18T17:37:04","modified_gmt":"2025-04-18T09:37:04","slug":"%e3%80%90javaee%e5%88%9d%e9%98%b6%e3%80%91%e7%bd%91%e7%bb%9c%e7%bc%96%e7%a8%8btcp%e5%8d%8f%e8%ae%ae%e5%ae%9e%e7%8e%b0%e5%9b%9e%e6%98%be%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%bb%a5%e5%8f%8a%e5%a6%82%e4%bd%95","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/9725.html","title":{"rendered":"\u3010JavaEE\u521d\u9636\u3011\u7f51\u7edc\u7f16\u7a0bTCP\u534f\u8bae\u5b9e\u73b0\u56de\u663e\u670d\u52a1\u5668\u4ee5\u53ca\u5982\u4f55\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u7684\u54cd\u5e94"},"content":{"rendered":"

\"\"<\/p>\n

\u524d\u8a00<\/span><\/p>\n

🌟🌟\u672c\u671f\u8bb2\u89e3\u5173\u4e8eTCP\/UDP\u534f\u8bae\u7684\u539f\u7406\u7406\u89e3~~~<\/span><\/p>\n

🌈\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u770b\u4e00\u770b\u5c0f\u7f16\u4e3b\u9875：<\/span>GGBondlctrl-CSDN\u535a\u5ba2<\/p>\n

🔥 \u4f60\u7684\u70b9\u8d5e\u5c31\u662f\u5c0f\u7f16\u4e0d\u65ad\u66f4\u65b0\u7684\u6700\u5927\u52a8\u529b \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/span><\/p>\n

🎆\u90a3\u4e48\u5e9f\u8bdd\u4e0d\u591a\u8bf4\u76f4\u63a5\u5f00\u6574\u5427~~<\/span><\/p>\n

\u00a0\"\"<\/p>\n

\u76ee\u5f55<\/p>\n

📚\ufe0f1.TCP\u76f8\u5173API<\/p>\n

📚\ufe0f2.\u56de\u663e\u670d\u52a1\u5668<\/p>\n

2.1\u6982\u5ff5<\/p>\n

2.2\u670d\u52a1\u5668\u7684\u5b9e\u73b0<\/p>\n

1.\u521d\u59cb\u5316Socket\u7c7b\u5bf9\u8c61<\/p>\n

2.\u542f\u52a8\u8fde\u63a5\u670d\u52a1\u5668<\/p>\n

\u00a03.\u8bfb\u53d6\u8fde\u63a5\u7684\u963b\u585e<\/p>\n

4.\u6570\u636e\u7684\u54cd\u5e94\u7684\u8fd4\u56de<\/p>\n

5.\u7f13\u51b2\u533a\u7684\u5237\u65b0<\/p>\n

2.3\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0<\/p>\n

1.\u521d\u59cb\u5316Socket\u7c7b\u5bf9\u8c61<\/p>\n

2.\u542f\u52a8\u5ba2\u6237\u7aef\u5e76\u963b\u585e<\/p>\n

3.\u53d1\u9001\u8bf7\u6c42\u548c\u63a5\u6536\u54cd\u5e94<\/p>\n

4.\u6587\u4ef6\u6d41close\u7684\u64cd\u4f5c<\/p>\n

📚\ufe0f3.\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u54cd\u5e94<\/p>\n

3.1\u542f\u52a8\u591a\u4e2a\u670d\u52a1\u5668<\/p>\n

3.2\u5904\u7406\u591a\u5ba2\u6237\u7aef\u8bf7\u6c42<\/p>\n

1.\u95ee\u9898\u73b0\u8c61<\/p>\n

2.\u95ee\u9898\u5206\u6790<\/p>\n

3.\u95ee\u9898\u89e3\u51b3<\/p>\n

4.\u65b9\u6cd5\u6269\u5c55<\/p>\n

📚\ufe0f4.\u603b\u7ed3<\/p>\n<\/p>\n

\u00a0\"\"<\/p>\n

📚\ufe0f1.TCP\u76f8\u5173API<\/h3>\n

\u00a0\u548c\u524d\u4e00\u671f\u7684UDP\u57fa\u672c\u662f\u5927\u5dee\u4e0d\u5dee\u7684，\u4f46\u662f\u8fd9\u91cc\u63d0\u4f9b\u7684\u65b9\u6cd5\u6765\u6a21\u62df\u5bf9\u4e8e\u7f51\u5361\u7684\u64cd\u4f5c\u662f\u6709\u4e00\u5b9a\u7684\u533a\u522b\u7684，\u6240\u793aAPI\u5982\u4e0b：<\/p>\n\n\n\n\n
ServerSocket<\/td>\n\u662fSocket\u7c7b\u5bf9\u5e94\u5230\u7f51\u5361\u7ed9\u670d\u52a1\u5668\u4f7f\u7528\u7684\u7c7b<\/td>\n<\/tr>\n
Socket<\/td>\n\u5bf9\u5e94\u5230\u7f51\u5361，\u662f\u7ed9\u670d\u52a1\u5668\u6216\u8005\u5ba2\u6237\u7aef\u6765\u8fdb\u884c\u4f7f\u7528\u7684<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u800c\u6211\u4eec\u77e5\u9053\u5728UDP\u7684\u4f7f\u7528\u4e2d\u6709DatagramPacket\u662f\u7528\u4e8e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u7684\u6570\u636e\u4f20\u9001\u7684\u5355\u4f4d，\u5373\u201c\u9762\u5411\u6570\u636e\u5305\u201d，\u4f46\u662f\u8fd9\u91cc\u662f\u6ca1\u6709\u5177\u4f53\u7279\u6709\u7684\u6570\u636e\u4f20\u9001\u7684\u7c7b\u7684<\/p>\n

\u6ce8\u610f：\u7531\u4e8eTCP\u662f\u4e00\u4e2a\u9762\u5411\u5b57\u8282\u6d41\u7684\u534f\u8bae，\u6240\u4ee5\u4f7f\u7528\u7684\u4ecd\u7136\u662f\u6587\u4ef6IO\u90e8\u5206\u7684\u64cd\u4f5c\u5b57\u8282\u6d41；<\/p>\n\n\n\n\n
inputstream<\/td>\n\u8bfb\u6570\u636e（\u5b57\u8282\u4e3a\u5355\u4f4d）<\/td>\n<\/tr>\n
outputstream<\/td>\n\u5199\u6570\u636e（\u5b57\u8282\u4e3a\u5355\u4f4d）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6240\u4ee5\u6709\u4e86\u8fd9\u4e9b\u94fa\u57ab\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528TCP\u6765\u5b9e\u73b0\u4e00\u4e2a\u56de\u663e\u670d\u52a1\u5668\u4e86；<\/p>\n

📚\ufe0f2.\u56de\u663e\u670d\u52a1\u5668<\/h3>\n

2.1\u6982\u5ff5<\/h4>\n

\u56de\u663e\u670d\u52a1\u5668：\u6240\u8c13\u7684\u56de\u663e\u670d\u52a1\u5668\u5c31\u662f\u5f53\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u8bf7\u6c42\u4e4b\u540e，\u670d\u52a1\u5668\u5c31\u76f4\u63a5\u8fd4\u56de\u8fd9\u4e2a\u54cd\u5e94，\u5728\u5bf9\u4e8e\u8bf7\u6c42\u7684\u89e3\u6790\u548c\u64cd\u4f5c\u4e2d\u662f\u6ca1\u6709\u4efb\u4f55\u7684\u903b\u8f91\u7684；（\u603b\u4e4b\u5c31\u662f\u7528\u6237\u8f93\u5165\u4ec0\u4e48\u5c31\u5f97\u5230\u4ec0\u4e48~~<\/span>）<\/p>\n

2.2\u670d\u52a1\u5668\u7684\u5b9e\u73b0<\/h4>\n

1.\u521d\u59cb\u5316Socket\u7c7b\u5bf9\u8c61<\/h5>\n

\u8fd9\u91cc\u548cUDP\u7684\u521d\u59cb\u5316\u51e0\u4e4e\u662f\u4e00\u6837\u7684，\u5373\u5982\u4e0b\u4ee3\u7801\u6240\u793a：<\/p>\n

public class TcpEchoServer {
\n private ServerSocket serverSocket = null;<\/p>\n

public TcpEchoServer(int port) throws IOException {
\n serverSocket = new ServerSocket(port); \/\/\u64cd\u4f5c\u6a21\u62df\u7f51\u5361\u7684\u7aef\u53e3\u53f7
\n } <\/p>\n

\u8fd9\u91cc\u5c31\u662f\u901a\u8fc7erverSocket\u7c7b\u6765\u5b9e\u73b0\u4e00\u4e2a\u5bf9\u8c61，\u8fbe\u5230\u6a21\u62df\u63a7\u5236\u7f51\u5361\u7684\u64cd\u4f5c，\u7528\u4e8e\u6570\u636e\u7684\u4f20\u8f93，\u5176\u4e2d\u8fd9\u91cc\u7684port\u5c31\u662f\u4e00\u4e2a\u670d\u52a1\u5668\u7684\u7aef\u53e3\u53f7；<\/p>\n

2.\u542f\u52a8\u8fde\u63a5\u670d\u52a1\u5668<\/h5>\n

\u5728\u4e0a\u8ff0\u7684\u521d\u59cb\u5316\u8fc7\u540e，\u6211\u4eec\u5c31\u53ef\u76f4\u63a5\u542f\u52a8\u670d\u52a1\u5668\u4e86，\u4ee3\u7801\u6240\u793a：<\/p>\n

public void start() throws IOException {
\n System.out.println("\u670d\u52a1\u5668\u542f\u52a8\u4e86");
\n \/\/\u8fdb\u5165\u5faa\u73af
\n while (true) {
\n \/\/\u5efa\u7acb\u8fde\u63a5
\n Socket Clientsocket = serverSocket.accept();
\n processClient(Clientsocket);
\n }
\n } <\/p>\n

\u89e3\u91ca：\u5f53\u6211\u4eec\u542f\u52a8\u670d\u52a1\u5668\u4e4b\u540e，\u8fd9\u91cc\u5c31\u8981\u8fdb\u884c\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u7684\u8fde\u63a5，\u4e3a\u5565\u8981\u8fdb\u884c\u8fde\u63a5\u5462，\u4e3b\u8981\u662f\u56e0\u4e3aTCP\u662f\u4e00\u4e2a\u6709\u8fde\u63a5\u7684\u534f\u8bae，\u8fd9\u5c31\u7c7b\u4f3c\u4e8e\u6253\u7535\u8bdd\u4e00\u6837，\u4e24\u8fb9\u8981\u63a5\u542c\u540e\u624d\u80fd\u591f\u8fdb\u884c\u901a\u4fe1，\u7136\u540e\u5c06\u6570\u636e\u4f20\u7ed9\u53e6\u4e00\u4e2a\u65b9\u6cd5\u64cd\u4f5c；<\/p>\n

\u5982\u4e0b\u56fe\u6240\u793a：<\/p>\n

\"\"<\/p>\n

\u6b64\u65f6\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8c03\u7528\u5bf9\u5e94\u7684API\u6765\u5c1d\u8bd5\u548c\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5，\u7136\u540e\u5185\u6838\u6001\u5c31\u4f1a\u5c1d\u8bd5\u53d1\u8d77\u5efa\u7acb\u8fde\u63a5\u7684\u6d41\u7a0b，\u7136\u540e\u670d\u52a1\u5668\u8fd9\u8fb9\u7684\u5185\u6838\u6001\u5c31\u4f1a\u914d\u5408\u8fdb\u884c\u8fde\u63a5；<\/p>\n

\u6ce8\u610f：\u5185\u6838\u53d1\u8d77\u8fde\u63a5\u662f\u7528\u6237\u7a0b\u5e8f\u6765\u8fdb\u884c\u64cd\u4f5c\u7684，\u6240\u4ee5\u8fd9\u91cc\u5c31\u8981\u8c03\u7528accept\u6765\u8fdb\u884c\u8fde\u63a5；<\/p>\n

\u00a03.\u8bfb\u53d6\u8fde\u63a5\u7684\u963b\u585e<\/h5>\n

\u5f53\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5，\u4f20\u5165\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u65f6，\u6b64\u65f6\u670d\u52a1\u5668\u5c31\u4f1a\u8fdb\u5165\u963b\u585e\u72b6\u6001，\u90a3\u4e48\u5c31\u6709\u4e00\u4e0b\u4ee3\u7801\u6765\u8fdb\u884c\u5b9e\u73b0：<\/p>\n

private void processClient(Socket Clientsocket) { \/\/\u5904\u7406\u8fde\u63a5\u6765\u7684\u6570\u636e
\n System.out.printf("[%s:%d] \u5ba2\u6237\u7aef\u4e0a\u7ebf!\\\\n", Clientsocket.getInetAddress(), Clientsocket.getPort());<\/p>\n

try (InputStream inputStream = Clientsocket.getInputStream();
\n OutputStream OutputStream = Clientsocket.getOutputStream()) {
\n \/\/\u5faa\u73af\u8bfb\u53d6\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u5e76\u4e14\u8fdb\u884c\u54cd\u5e94
\n while (true) {
\n Scanner scanner = new Scanner(inputStream);
\n if (!scanner.hasNext()) {
\n System.out.printf("[%s:%d] \u5ba2\u6237\u7aef\u4e0b\u7ebf!\\\\n", Clientsocket.getInetAddress(), Clientsocket.getPort());
\n break;
\n } <\/p>\n

\u89e3\u91ca：<\/p>\n

\u7531\u4e8eTCP\u7684\u9762\u5411\u5b57\u8282\u6d41，\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7inputstream\u6765\u5b9e\u73b0\u8fd9\u91cc\u7684\u64cd\u4f5c，\u6b64\u65f6\u5c06\u8fd9\u91cc\u7684\u64cd\u4f5c\u5199\u5230try\u91cc\u662f\u4e3a\u4e86\u81ea\u52a8\u6267\u884cclose\u7684\u5173\u95ed\u6587\u4ef6\u6d41\u7684\u64cd\u4f5c；<\/p>\n

\u901a\u8fc7scanner\u6765\u8bfb\u53d6\u5b57\u8282\u6570\u636e，\u7136\u540e\u901a\u8fc7scanner.hashnext\u6765\u5b9e\u73b0\u6ca1\u6709\u8f93\u5165\u65f6\u5c31\u8fdb\u884c\u8df3\u51fa\u5faa\u73af\u64cd\u4f5c，\u8fd9\u91cc\u5c31\u662f\u5ba2\u6237\u7aef\u4e0b\u7ebf\u4e86；<\/p>\n

4.\u6570\u636e\u7684\u54cd\u5e94\u7684\u8fd4\u56de<\/h5>\n

\u5728\u8fd9\u91cc\u901a\u8fc7\u5b57\u8282\u6570\u636e\u7684\u8bf7\u6c42\u64cd\u4f5c\u5b9e\u73b0\u5bf9\u4e8e\u5ba2\u6237\u7aef\u7684\u54cd\u5e94，\u4ee3\u7801\u5982\u4e0b：<\/p>\n

String request = scanner.next();
\n \/\/\u8fdb\u884c\u54cd\u5e94\u64cd\u4f5c
\n String response = process(request);
\n \/\/\u5c06\u54cd\u5e94\u4f20\u7ed9\u5ba2\u6237\u7aef
\n \/\/\u7ed9outputstream\u8fdb\u884c\u5916\u5305\u88c5
\n PrintWriter printWriter = new PrintWriter(OutputStream);
\n printWriter.println(response); <\/p>\n

\u89e3\u91ca：\u8fd9\u91cc\u7684process\u64cd\u4f5c\u5c31\u662f\u76f4\u63a5\u8fd4\u56de\u9700\u6c42\u4f5c\u4e3a\u54cd\u5e94，\u7136\u540e\u8fd9\u91cc\u5c0f\u7f16\u5c31\u901a\u8fc7printwriter\u6765\u5305\u88c5\u4e86outputstream\u8fd9\u4e2a\u5199\u6570\u636e\u7684\u64cd\u4f5c，\u5c31\u662f\u66ff\u4ee3\u4e86\u8fd9\u4e2a\u4ee3\u7801：<\/p>\n

OutputStream.write(response.getBytes(),0,response.getBytes().length) <\/p>\n

\u8fd9\u91cc\u4e24\u4e2a\u7684\u533a\u522b： OutputStream ：\u4f60\u9700\u8981\u5c06\u5b57\u7b26\u4e32\u624b\u52a8\u8f6c\u6362\u4e3a\u5b57\u8282\u6570\u7ec4\u53d1\u9001，\u4f8b\u5982；<\/p>\n

String response = "\u6536\u5230\u4f60\u7684\u6d88\u606f";
\nbyte[] responseBytes = response.getBytes();
\noutputStream.write(responseBytes); <\/p>\n

PrintWriter ：\u5b83\u63d0\u4f9b\u4e86\u66f4\u65b9\u4fbf\u7684\u00a0print\u00a0\u548c\u00a0println\u00a0\u65b9\u6cd5，\u53ef\u4ee5\u76f4\u63a5\u53d1\u9001\u5b57\u7b26\u4e32； \u00a0 \u00a0PrintWriter\u00a0\u4f1a\u81ea\u52a8\u5904\u7406\u5b57\u7b26\u7f16\u7801\u7b49\u7ec6\u8282，\u5e76\u4e14\u5728\u6784\u9020\u51fd\u6570\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4f20\u5165\u00a0true\u00a0\u65f6\u80fd\u591f\u81ea\u52a8\u5237\u65b0\u7f13\u51b2\u533a，\u786e\u4fdd\u6d88\u606f\u53ca\u65f6\u53d1\u9001\u3002\u8fd9\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u6613\u8bfb，\u51cf\u5c11\u4e86\u56e0\u5b57\u8282\u5904\u7406\u800c\u53ef\u80fd\u4ea7\u751f\u7684\u9519\u8bef\u3002<\/p>\n

5.\u7f13\u51b2\u533a\u7684\u5237\u65b0<\/h5>\n

\u8fd9\u91cc\u662fprintwriter\u63d0\u4f9b\u7684\u7f13\u51b2\u533a\u5728\u8fd9\u91cc\u9762\u8fdb\u884c\u4e86\u64cd\u4f5c，\u89e3\u51b3\u4ee3\u7801\u5982\u4e0b：<\/p>\n

printWriter.flush();\/\/\u5237\u65b0\u7f13\u51b2\u533a，\u8ba9\u6570\u636e\u53d1\u9001\u51fa\u53bb <\/p>\n

\u89e3\u91ca：\u8fd9\u5c31\u662f\u5237\u65b0\u7f13\u51b2\u533a\u7684\u610f\u601d，\u4e3a\u5565\u8981\u5237\u65b0\u7f13\u51b2\u533a\u5462？？？<\/p>\n

\u6ce8\u610f：\u8fd9\u91cc\u7684IO\u64cd\u4f5c\u662f\u4e00\u4e2a\u6bd4\u8f83\u4f4e\u6548\u7684\u64cd\u4f5c，\u6240\u4ee5\u5c31\u4f1a\u5c3d\u91cf\u51cf\u5c11\u5bf9\u4e8e\u6587\u4ef6IO\u7684\u64cd\u4f5c，\u6240\u4ee5\u8981\u64cd\u4f5c\u7f51\u5361\u7684\u6570\u636e\u5b58\u653e\u5230\u5185\u5b58\u7f13\u51b2\u533a\u91cc，\u5f53\u79ef\u6512\u5230\u4e00\u5b9a\u7684\u91cf\u540e\u518d\u53d1\u7ed9\u4e0b\u4e00\u5c42\u534f\u8bae<\/p>\n

\u00a0\u6240\u4ee5\u5f53\u6570\u636e\u592a\u5c11\u7684\u65f6\u5019，\u5c31\u4f1a\u5b58\u5728\u7f13\u51b2\u533a\u91cc，\u5e76\u6ca1\u6709\u53d1\u9001\u51fa\u53bb，\u6240\u4ee5\u8fd9\u91cc\u8981\u8fdb\u884c\u5237\u65b0\u7684\u64cd\u4f5c；<\/p>\n

2.3\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0<\/h4>\n

1.\u521d\u59cb\u5316Socket\u7c7b\u5bf9\u8c61<\/h5>\n

\u548c\u4e0a\u9762\u7684\u670d\u52a1\u5668\u521d\u59cb\u5316\u662f\u4e00\u81f4\u7684，\u53ea\u4e0d\u8fc7\u4f7f\u7528\u7684\u7c7b\u4e0d\u4e00\u6837，\u4ee3\u7801\u5982\u4e0b：<\/p>\n

public class TcpEchoClient {
\n private Socket socket=null;
\n public TcpEchoClient(String ServerIP, int ServerPort) throws IOException {
\n \/\/\u7531\u4e8etcp\u662f\u6709\u8fde\u63a5\u7684，\u6240\u4ee5\u4f1a\u81ea\u52a8\u4fdd\u5b58\u8fd9\u91cc\u7684ip\u548c\u7aef\u53e3\u53f7
\n socket=new Socket(ServerIP,ServerPort);
\n } <\/p>\n

\u89e3\u91ca：\u8fd9\u91cc\u901a\u8fc7socket\u5bf9\u8c61，\u5b9e\u73b0\u5bf9\u4e8e\u7f51\u5361\u7684\u6a21\u62df\u64cd\u4f5c，\u5728\u6784\u9020\u51fd\u6570\u7684\u65f6\u5019\u5b9a\u4e49\u670d\u52a1\u5668\u7684IP\u5730\u5740\u4ee5\u53ca\u670d\u52a1\u5668\u7684\u7aef\u53e3\u53f7；<\/p>\n

2.\u542f\u52a8\u5ba2\u6237\u7aef\u5e76\u963b\u585e<\/h5>\n

\u8fd9\u91cc\u5728\u542f\u52a8\u5ba2\u6237\u7aef\u540e\u76f4\u63a5\u8fdb\u5165\u5faa\u73af，\u8fdb\u884c\u4e0d\u65ad\u7684\u4ece\u670d\u52a1\u5668\u8bfb\u53d6\u54cd\u5e94，\u4ee3\u7801\u5982\u4e0b：<\/p>\n

public void start(){
\n System.out.println("\u5ba2\u6237\u7aef\u542f\u52a8\u4e86");
\n try (InputStream inputStream=socket.getInputStream();
\n OutputStream outputStream= socket.getOutputStream()){
\n Scanner scannerConsole=new Scanner(System.in);
\n Scanner scannernetwork=new Scanner(inputStream);
\n PrintWriter writer=new PrintWriter(outputStream);
\n while (true){
\n System.out.println("->");
\n if(!scannerConsole.hasNext()){
\n break;
\n } <\/p>\n

\u89e3\u91ca:\u8fd9\u91cc\u8fd8\u662f\u901a\u8fc7inputstream\u548coutputstream\u6765\u8fdb\u884c\u64cd\u4f5c，\u8fd9\u91cc\u7684\u4e24\u4e2ascanner\u5206\u522b\u7684\u7528\u9014\u5982\u4e0b\u6240\u793a;<\/p>\n

\u7b2c\u4e00\u4e2ascanner\u662f\u7528\u4e8e\u5ba2\u6237\u5728\u63a7\u5236\u53f0\u4e0a\u8fdb\u884c\u5b57\u7b26\u4e32\u7684\u8f93\u5165；<\/p>\n

\u7b2c\u4e8c\u4e2ascanner\u662f\u7528\u4e8e\u5b57\u8282\u6570\u636e\u7684\u8bfb\u53d6，\u5c31\u662f\u4ece\u670d\u52a1\u5668\u54cd\u5e94\u8fc7\u540e\u7684\u6570\u636e\u63a5\u6536；<\/p>\n

\u7b2c\u4e09\u4e2aprintwriter\u7528\u4e8e\u5199\u6570\u636e\u7ed9\u670d\u52a1\u5668，\u8fd9\u91cc\u5c31\u662f\u53d1\u9001\u8bf7\u6c42\u7684\u610f\u601d<\/p>\n

\u4e4b\u540e\u8fdb\u5165\u7528\u6237\u7684\u8f93\u5165\u963b\u585e，\u5f53\u4e0d\u8f93\u5165\u65f6，\u5c31\u76f4\u63a5\u8df3\u51fa\u5faa\u73af，\u5ba2\u6237\u7aef\u4e0b\u7ebf；<\/p>\n

3.\u53d1\u9001\u8bf7\u6c42\u548c\u63a5\u6536\u54cd\u5e94<\/h5>\n

\u5f53\u6267\u884c\u4e0a\u8ff0\u6b65\u9aa4\u4e4b\u540e，\u6211\u4eec\u5c31\u8981\u6267\u884c\u5bf9\u4e8e\u670d\u52a1\u5668\u6570\u636e\u7684\u53d1\u9001\u8bf7\u6c42\u548c\u63a5\u6536\u54cd\u5e94\u7684\u64cd\u4f5c\u4e86，\u4ee3\u7801\u5982\u4e0b：<\/p>\n

String request=scannerConsole.next();
\n \/\/\u53d1\u9001\u6570\u636e\u7528\u5230\u5199\u7684\u64cd\u4f5c
\n writer.println(request);
\n writer.flush();
\n \/\/\u63a5\u6536\u6570\u636e
\n String response=scannernetwork.next();<\/p>\n

System.out.println(response); <\/p>\n

\u89e3\u91ca：\u8fd9\u91cc\u5c06\u7528\u6237\u8f93\u5165\u7684\u8bf7\u6c42\u901a\u8fc7writer\u5199\u7ed9\u670d\u52a1\u5668，\u5e76\u5237\u65b0\u4e86\u7f13\u5b58，\u4fdd\u8bc1\u5b57\u8282\u6570\u7ec4\u80fd\u591f\u53d1\u9001\u51fa\u53bb，\u6700\u540e\u901a\u8fc7scannernetwork\u6765\u63a5\u6536\u6570\u636e，\u5e76\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\u6570\u636e，\u6700\u540e\u5728\u6253\u5370\u5373\u53ef；<\/p>\n

4.\u6587\u4ef6\u6d41close\u7684\u64cd\u4f5c<\/h5>\n

1.serversocket<\/span><\/p>\n

\u89e3\u91ca：\u7531\u4e8e\u6574\u4e2a\u7a0b\u5e8f\u4e2d\u53ea\u6709\u4e00\u4e2aserversocket\u5bf9\u8c61，\u5e76\u4e14\u8fd9\u4e2a\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u5f88\u957f，\u968f\u7740\u670d\u52a1\u5668\u7684\u9000\u51fa\u81ea\u52a8\u9500\u6bc1，\u6240\u4ee5\u4e0d\u9700\u8981\u8fdb\u884cclose\u64cd\u4f5c；<\/p>\n

2.clientSocket<\/span><\/p>\n

\u89e3\u91ca：\u7531\u4e8eclientsocket\u662f\u6bcf\u4e2a\u5ba2\u6237\u7aef\u90fd\u6709\u4e00\u4e2a，\u7531\u4e8e\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u8d8a\u6765\u8d8a\u591a，\u4e0d\u91ca\u653esocket\u5c31\u4f1a\u5bfc\u81f4\u5c06\u6587\u4ef6\u63cf\u8ff0\u9644\u8868\u5360\u6ee1，\u6240\u4ee5\u8fd9\u91cc\u8981\u8fdb\u884cclose\u7684\u64cd\u4f5c；<\/p>\n

\u4ee3\u7801\u5982\u4e0b：<\/p>\n

finally {
\n try {
\n clientSocket.close();
\n } catch (IOException e) {
\n throw new RuntimeException(e);
\n }
\n } <\/p>\n

\u8fd9\u91cc\u5c31\u6dfb\u52a0\u5728\u670d\u52a1\u5668try-catch\u7684\u540e\u9762\u5373\u53ef~~~<\/p>\n

📚\ufe0f3.\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u540c\u65f6\u54cd\u5e94<\/h3>\n

3.1\u542f\u52a8\u591a\u4e2a\u670d\u52a1\u5668<\/h4>\n

\u5f53\u6211\u4eec\u6267\u884c\u4ee3\u7801，\u542f\u52a8\u591a\u4e2a\u670d\u52a1\u5668\u7684\u65f6\u5019\u4f1a\u53d1\u73b0\u6b64\u65f6idea\u4f1a\u7ec8\u6b62\u8fd9\u4e2a\u539f\u6765\u7684\u8fdb\u7a0b，\u7136\u540e\u6267\u884c\u65b0\u7684\u4ee3\u7801，\u5373\u65b0\u7684\u8fdb\u7a0b，\u90a3\u4e48\u89e3\u51b3\u529e\u6cd5\u5982\u4e0b\u6240\u793a：<\/p>\n

\"\"<\/p>\n

\u70b9\u51fb\u540e\u8fdb\u5165\u5982\u4e0b\u7684\u753b\u9762，\u7136\u540e\u8fdb\u5165\u4e00\u4e2a\u65b0\u7684\u754c\u9762\u70b9\u51fb\u5982\u4e0b：<\/p>\n

\"\"<\/p>\n

\u7136\u540e\u8fd9\u91cc\u4ee3\u8868\u7684\u5c31\u662f\u5141\u8bb8\u591a\u4e2a\u5b9e\u4f8b\u7684\u8fd0\u884c，\u90a3\u4e48\u5c31\u53ef\u4ee5\u91cd\u590d\u6267\u884c\u4ee3\u7801，\u5b9e\u73b0\u591a\u4e2a\u670d\u52a1\u5668\u540c\u65f6\u8fd0\u884c\u7684\u5b9e\u73b0；<\/p>\n

3.2\u5904\u7406\u591a\u5ba2\u6237\u7aef\u8bf7\u6c42<\/h4>\n

1.\u95ee\u9898\u73b0\u8c61<\/h5>\n

\u6b64\u65f6\u5f53\u6211\u4eec\u5bf9\u7b2c\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fdb\u884c\u8f93\u5165\u7684\u65f6\u5019，\u53d1\u73b0\u6b64\u65f6\u670d\u52a1\u5668\u5bf9\u4e8e\u5ba2\u6237\u7aef\u662f\u6709\u54cd\u5e94\u7684，\u5982\u4e0b\u56fe\u6240\u793a：<\/p>\n

\"\"<\/p>\n

\u6b64\u65f6\u662f\u6709\u5ba2\u6237\u7aef\u8f93\u5165\u540e，\u4f1a\u5f97\u5230\u54cd\u5e94\u7684，\u4f46\u662f\u6b64\u65f6\u6211\u4eec\u5bf9\u4e8e\u7b2c\u4e8c\u4e2a\u5ba2\u6237\u7aef\u8fdb\u884c\u6253\u5370\u7684\u65f6\u5019，\u8fd9\u91cc\u662f\u6ca1\u6709\u51fa\u73b0\u54cd\u5e94\u7684：<\/p>\n

\"\"<\/p>\n

\u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u770b\u89c1\u670d\u52a1\u5668\u5bf9\u4e8e\u4e24\u4e2a\u5ba2\u6237\u7aef\u7684\u4e0a\u7ebf\u72b6\u6001\u4e5f\u662f\u4e0d\u4e00\u6837\u7684，\u5982\u4e0b\u56fe\u6240\u793a：<\/p>\n

\"\"<\/p>\n

\u5f88\u660e\u663e\u8fd9\u91cc\u5c31\u662f\u53ea\u4e0a\u7ebf\u4e86\u4e00\u4e2a\u5ba2\u6237\u7aef，\u90a3\u4e48\u8fd9\u5c31\u662f\u7b2c\u4e8c\u4e2a\u5ba2\u6237\u7aef\u5f97\u4e0d\u5230\u54cd\u5e94\u7684\u539f\u56e0；<\/p>\n

2.\u95ee\u9898\u5206\u6790<\/h5>\n

\u6d41\u7a0b：\u9996\u5148\u8fd9\u91cc\u7684\u670d\u52a1\u5668\u4e3b\u5faa\u73af\u662f\u901a\u8fc7clientsocket\u6765\u8fdb\u884c\u6570\u636e\u8fde\u63a5，\u7136\u540e\u518d\u8fdb\u5165\u6570\u636e\u64cd\u4f5c\u7684\u5faa\u73af，\u5373\u6709\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4：<\/p>\n

1.\u8bfb\u53d6\u8bf7\u6c42\u5e76\u4e14\u8fdb\u884c\u89e3\u6790；<\/p>\n

2.\u5bf9\u4e8e\u89e3\u6790\u505a\u51fa\u54cd\u5e94；<\/p>\n

3.\u5c06\u54cd\u5e94\u4f20\u56de\u7ed9\u5ba2\u6237\u7aef；<\/p>\n

\u6ce8\u610f：\u8fd9\u662f\u4e00\u4e2a\u6b7b\u5faa\u73af，\u53ea\u8981\u8fd9\u4e2a\u5faa\u73af\u4e0d\u7ed3\u675f（\u5373\u8fde\u63a5\u8fd9\u4e2a\u670d\u52a1\u5668\u7684\u7b2c\u4e00\u4e2a\u5ba2\u6237\u7aef\u4e0d\u7ed3\u675f）\u90a3\u4e48\u5c31\u4f1a\u5bfc\u81f4\u670d\u52a1\u5668\u4e00\u76f4\u5728\u8fd9\u4e2a\u5faa\u73af\u7b49\u5f85\u5ba2\u6237\u7aef1\u53f7\u7684\u8bf7\u6c42，\u5e76\u505a\u51fa\u54cd\u5e94；<\/p>\n

\u867d\u7136\u8fd9\u91cc\u7b2c\u4e8c\u4e2a\u5ba2\u6237\u7aef\u5b9e\u73b0\u4e86\u5185\u6838\u4e0a\u8fd0\u7528accept\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u4e86\u8fde\u63a5，\u4f46\u662f\u65e0\u6cd5\u5c06\u8fde\u63a5\u62ff\u5230\u7a0b\u5e8f\u91cc\u8fdb\u884c\u5904\u7406，\u8fd9\u5c31\u662f\u6574\u4e2a\u591a\u5ba2\u6237\u7aef\u00a0\u8bf7\u6c42\u4e0d\u6210\u529f\u7684\u4e3b\u8981\u539f\u56e0；<\/p>\n

3.\u95ee\u9898\u89e3\u51b3<\/h5>\n

\u4f7f\u7528\u591a\u7ebf\u7a0b<\/span><\/p>\n

\u5bf9\u8fd9\u4e2aprocessClient(Clientsocket)\u6765\u8fdb\u884c\u591a\u4e2a\u7ebf\u7a0b\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u4e0e\u54cd\u5e94，\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\u6240\u793a：<\/p>\n

while (true) {
\n \/\/\u5efa\u7acb\u8fde\u63a5
\n Socket Clientsocket = serverSocket.accept();
\n Thread t=new Thread(()->{
\n processClient(Clientsocket);
\n });
\n t.start();
\n } <\/p>\n

\u89e3\u91ca：\u90a3\u4e48\u6b64\u65f6\u5f53\u7533\u8bf7\u4e00\u4e2a\u5ba2\u6237\u7aef\u7684\u65f6\u5019，\u90a3\u4e48\u5c31\u4f1a\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u6765\u5bf9\u8fd9\u4e2a\u5ba2\u6237\u7aef\u8fdb\u884c\u670d\u52a1，\u6b64\u65f6\u5c31\u89e3\u51b3\u4e86\u591a\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u95ee\u9898；<\/p>\n

\u4f7f\u7528\u7ebf\u7a0b\u6c60<\/span><\/p>\n

\u7531\u4e8e\u4e0a\u8ff0\u7684\u64cd\u4f5c，\u4f1a\u5bfc\u81f4\u4e00\u4e2a\u5ba2\u6237\u7aef\u6267\u884c，\u5c31\u4f1a\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b，\u4e00\u4e2a\u5ba2\u6237\u7aef\u6267\u884c\u5b8c\u4e86，\u5c31\u4f1a\u9500\u6bc1\u4e00\u4e2a\u7ebf\u7a0b，\u90a3\u4e48\u6b64\u65f6\u5c31\u4f1a\u9020\u6210\u7ebf\u7a0b\u9891\u7e41\u521b\u5efa\u9500\u6bc1\u7684\u5f00\u9500\u589e\u5927；<\/p>\n

\u90a3\u4e48\u8fd9\u91cc\u5c31\u5f15\u5165\u4e86\u7ebf\u7a0b\u6c60，\u8fd9\u4e2a\u6982\u5ff5，\u5177\u4f53\u4ee3\u7801\u5982\u4e0b：<\/p>\n

while (true) {
\n \/\/\u5efa\u7acb\u8fde\u63a5
\n Socket Clientsocket = serverSocket.accept();<\/p>\n

ExecutorService pool= Executors.newCachedThreadPool();
\n pool.submit(new Runnable() {
\n @Override
\n public void run() {
\n processClient(Clientsocket);
\n }
\n });
\n } <\/p>\n

\u00a0\u89e3\u91ca：\u90a3\u4e48\u6b64\u65f6\u5f53\u521b\u5efa\u597d\u7ebf\u7a0b\u540e，\u5ba2\u6237\u7aef\u6267\u884c，\u90a3\u4e48\u5c31\u4f1a\u4ece\u7ebf\u7a0b\u6c60\u4e2d\u62ff\u4e00\u4e2a\u7ebf\u7a0b\u8fdb\u884c\u670d\u52a1\u5ba2\u6237\u7aef，\u5f53\u5ba2\u6237\u7aef\u6267\u884c\u7ed3\u675f\u540e，\u5c06\u7ebf\u7a0b\u5165\u5230\u7ebf\u7a0b\u6c60，\u5c31\u4e0d\u4f1a\u9500\u6bc1，\u8282\u7701\u4e86\u7ebf\u7a0b\u521b\u5efa\u7684\u5f00\u9500；<\/p>\n

4.\u65b9\u6cd5\u6269\u5c55<\/h5>\n

\u5f15\u5165\u534f\u7a0b<\/span><\/p>\n

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\n

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