{"id":942071,"date":"2024-12-26T21:51:38","date_gmt":"2024-12-26T13:51:38","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/942071.html"},"modified":"2024-12-26T21:51:39","modified_gmt":"2024-12-26T13:51:39","slug":"python%e5%a6%82%e4%bd%95%e6%9e%84%e5%bb%batcp","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/942071.html","title":{"rendered":"python\u5982\u4f55\u6784\u5efatcp"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25080028\/fbc1e285-3142-49ac-8753-1f79b9be1fd6.webp\" alt=\"python\u5982\u4f55\u6784\u5efatcp\" \/><\/p>\n<p><h3>\u5f00\u5934\u6bb5\u843d\uff1a<\/h3>\n<\/p>\n<p><p><strong>Python\u6784\u5efaTCP\u8fde\u63a5\u7684\u6838\u5fc3\u5728\u4e8e\u4f7f\u7528socket\u5e93\u3001\u521b\u5efa\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u5957\u63a5\u5b57\u3001\u76d1\u542c\u548c\u63a5\u53d7\u8fde\u63a5\u8bf7\u6c42\u3002<\/strong> \u4f7f\u7528Python\u6784\u5efaTCP\u8fde\u63a5\u7684\u8fc7\u7a0b\u4e3b\u8981\u5305\u62ec\u521b\u5efa\u5957\u63a5\u5b57\u3001\u7ed1\u5b9a\u5730\u5740\u3001\u76d1\u542c\u8fde\u63a5\u3001\u63a5\u53d7\u8fde\u63a5\u3001\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528Python\u7684\u5185\u7f6esocket\u5e93\u6765\u6784\u5efaTCP\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\uff0c\u5e76\u9010\u6b65\u5206\u6790\u6bcf\u4e2a\u6b65\u9aa4\u7684\u5b9e\u73b0\u7ec6\u8282\u3002<\/p>\n<\/p>\n<p><h3>\u6b63\u6587\uff1a<\/h3>\n<\/p>\n<p><h3>\u4e00\u3001\u4ec0\u4e48\u662fTCP\u534f\u8bae<\/h3>\n<\/p>\n<p><p>TCP\uff08Transmission Control Protocol\uff0c\u4f20\u8f93\u63a7\u5236\u534f\u8bae\uff09\u662f\u4e92\u8054\u7f51\u534f\u8bae\u5957\u4ef6\u4e2d\u7684\u6838\u5fc3\u534f\u8bae\u4e4b\u4e00\u3002\u5b83\u4e3a\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u4e00\u79cd\u53ef\u9760\u3001\u6709\u5e8f\u4e14\u9519\u8bef\u6821\u9a8c\u7684\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\u3002<\/p>\n<\/p>\n<p><h4>1. TCP\u534f\u8bae\u7684\u57fa\u672c\u7279\u6027<\/h4>\n<\/p>\n<p><p>TCP\u662f\u9762\u5411\u8fde\u63a5\u7684\u534f\u8bae\uff0c\u8fd9\u610f\u5473\u7740\u5728\u6570\u636e\u4f20\u8f93\u4e4b\u524d\uff0c\u9700\u8981\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u5efa\u7acb\u8fde\u63a5\u3002TCP\u63d0\u4f9b\u4e86\u6570\u636e\u7684\u53ef\u9760\u4f20\u8f93\uff0c\u901a\u8fc7\u91cd\u4f20\u548c\u9519\u8bef\u68c0\u6d4b\u673a\u5236\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u6027\u3002\u6b64\u5916\uff0cTCP\u5177\u6709\u6d41\u91cf\u63a7\u5236\u548c\u62e5\u585e\u63a7\u5236\u529f\u80fd\uff0c\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u7684\u6548\u7387\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n<\/p>\n<p><h4>2. TCP\u4e0eUDP\u7684\u533a\u522b<\/h4>\n<\/p>\n<p><p>\u4e0eTCP\u4e0d\u540c\uff0cUDP\uff08User Datagram Protocol\uff0c\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae\uff09\u662f\u65e0\u8fde\u63a5\u7684\u534f\u8bae\uff0c\u4e0d\u4fdd\u8bc1\u6570\u636e\u7684\u53ef\u9760\u6027\u548c\u987a\u5e8f\u3002TCP\u9002\u7528\u4e8e\u9700\u8981\u53ef\u9760\u4f20\u8f93\u7684\u5e94\u7528\uff0c\u5982\u7f51\u9875\u6d4f\u89c8\u3001\u7535\u5b50\u90ae\u4ef6\uff0c\u800cUDP\u9002\u7528\u4e8e\u5bf9\u901f\u5ea6\u8981\u6c42\u9ad8\u4f46\u53ef\u4ee5\u5bb9\u5fcd\u5c11\u91cf\u6570\u636e\u4e22\u5931\u7684\u5e94\u7528\uff0c\u5982\u89c6\u9891\u6d41\u3001\u5728\u7ebf\u6e38\u620f\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001Python\u4e2d\u7684socket\u5e93<\/h3>\n<\/p>\n<p><p>Python\u7684socket\u5e93\u63d0\u4f9b\u4e86\u7528\u4e8e\u7f51\u7edc\u901a\u4fe1\u7684\u4f4e\u7ea7\u63a5\u53e3\uff0c\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0TCP\u548cUDP\u534f\u8bae\u7684\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u3002<\/p>\n<\/p>\n<p><h4>1. socket\u5e93\u7684\u57fa\u672c\u529f\u80fd<\/h4>\n<\/p>\n<p><p>Python\u7684socket\u5e93\u63d0\u4f9b\u4e86\u521b\u5efa\u3001\u7ed1\u5b9a\u3001\u76d1\u542c\u3001\u63a5\u53d7\u8fde\u63a5\uff0c\u4ee5\u53ca\u6570\u636e\u53d1\u9001\u548c\u63a5\u6536\u7b49\u529f\u80fd\u3002\u901a\u8fc7\u8c03\u7528\u8fd9\u4e9b\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u6784\u5efa\u7f51\u7edc\u5e94\u7528\u3002<\/p>\n<\/p>\n<p><h4>2. \u5957\u63a5\u5b57\u7c7b\u578b<\/h4>\n<\/p>\n<p><p>socket\u5e93\u652f\u6301\u4e0d\u540c\u7c7b\u578b\u7684\u5957\u63a5\u5b57\uff0c\u5305\u62ec\u6d41\u5957\u63a5\u5b57\uff08SOCK_STREAM\uff09\u548c\u6570\u636e\u62a5\u5957\u63a5\u5b57\uff08SOCK_DGRAM\uff09\u3002\u6d41\u5957\u63a5\u5b57\u7528\u4e8eTCP\u8fde\u63a5\uff0c\u800c\u6570\u636e\u62a5\u5957\u63a5\u5b57\u7528\u4e8eUDP\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u6784\u5efaTCP\u670d\u52a1\u5668<\/h3>\n<\/p>\n<p><p>\u6784\u5efaTCP\u670d\u52a1\u5668\u7684\u6b65\u9aa4\u5305\u62ec\u521b\u5efa\u5957\u63a5\u5b57\u3001\u7ed1\u5b9a\u5730\u5740\u3001\u76d1\u542c\u8fde\u63a5\u3001\u63a5\u53d7\u8fde\u63a5\uff0c\u4ee5\u53ca\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002<\/p>\n<\/p>\n<p><h4>1. \u521b\u5efa\u5957\u63a5\u5b57<\/h4>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528<code>socket.socket()<\/code>\u51fd\u6570\u6765\u521b\u5efa\u5957\u63a5\u5b57\u3002\u901a\u5e38\u9700\u8981\u6307\u5b9a\u5730\u5740\u65cf\uff08AF_INET\u8868\u793aIPv4\uff09\u548c\u5957\u63a5\u5b57\u7c7b\u578b\uff08SOCK_STREAM\u8868\u793aTCP\uff09\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import socket<\/p>\n<p>server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u7ed1\u5b9a\u5730\u5740\u548c\u7aef\u53e3<\/h4>\n<\/p>\n<p><p>\u521b\u5efa\u5957\u63a5\u5b57\u540e\uff0c\u9700\u8981\u901a\u8fc7<code>bind()<\/code>\u51fd\u6570\u7ed1\u5b9aIP\u5730\u5740\u548c\u7aef\u53e3\u3002\u670d\u52a1\u5668\u901a\u5e38\u4f7f\u7528\u56fa\u5b9a\u7aef\u53e3\uff0c\u4ee5\u4fbf\u5ba2\u6237\u7aef\u53ef\u4ee5\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">server_socket.bind((&#39;localhost&#39;, 8080))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u76d1\u542c\u8fde\u63a5<\/h4>\n<\/p>\n<p><p>\u8c03\u7528<code>listen()<\/code>\u51fd\u6570\u4f7f\u670d\u52a1\u5668\u5f00\u59cb\u76d1\u542c\u8fde\u63a5\u8bf7\u6c42\u3002\u53c2\u6570\u6307\u5b9a\u4e86\u5141\u8bb8\u7684\u6700\u5927\u8fde\u63a5\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">server_socket.listen(5)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>4. \u63a5\u53d7\u8fde\u63a5<\/h4>\n<\/p>\n<p><p>\u4f7f\u7528<code>accept()<\/code>\u51fd\u6570\u63a5\u53d7\u8fde\u63a5\u8bf7\u6c42\uff0c\u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u5957\u63a5\u5b57\u5bf9\u8c61\u548c\u5ba2\u6237\u7aef\u5730\u5740\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">client_socket, client_address = server_socket.accept()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>5. \u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42<\/h4>\n<\/p>\n<p><p>\u670d\u52a1\u5668\u63a5\u6536\u5230\u8fde\u63a5\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7<code>recv()<\/code>\u548c<code>send()<\/code>\u51fd\u6570\u4e0e\u5ba2\u6237\u7aef\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">data = client_socket.recv(1024)<\/p>\n<p>client_socket.send(b&#39;Hello, Client!&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u56db\u3001\u6784\u5efaTCP\u5ba2\u6237\u7aef<\/h3>\n<\/p>\n<p><p>TCP\u5ba2\u6237\u7aef\u7684\u5b9e\u73b0\u76f8\u5bf9\u7b80\u5355\uff0c\u4e3b\u8981\u5305\u62ec\u521b\u5efa\u5957\u63a5\u5b57\u3001\u8fde\u63a5\u670d\u52a1\u5668\uff0c\u4ee5\u53ca\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h4>1. \u521b\u5efa\u5957\u63a5\u5b57<\/h4>\n<\/p>\n<p><p>\u5ba2\u6237\u7aef\u4f7f\u7528\u4e0e\u670d\u52a1\u5668\u76f8\u540c\u7684\u65b9\u6cd5\u521b\u5efa\u5957\u63a5\u5b57\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u8fde\u63a5\u670d\u52a1\u5668<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7<code>connect()<\/code>\u51fd\u6570\u8fde\u63a5\u670d\u52a1\u5668\uff0c\u53c2\u6570\u4e3a\u670d\u52a1\u5668\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">client_socket.connect((&#39;localhost&#39;, 8080))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3. \u53d1\u9001\u548c\u63a5\u6536\u6570\u636e<\/h4>\n<\/p>\n<p><p>\u5ba2\u6237\u7aef\u53ef\u4ee5\u4f7f\u7528<code>send()<\/code>\u548c<code>recv()<\/code>\u51fd\u6570\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">client_socket.send(b&#39;Hello, Server!&#39;)<\/p>\n<p>response = client_socket.recv(1024)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e94\u3001TCP\u8fde\u63a5\u7684\u5173\u95ed<\/h3>\n<\/p>\n<p><p>\u65e0\u8bba\u662f\u670d\u52a1\u5668\u8fd8\u662f\u5ba2\u6237\u7aef\uff0c\u5728\u5b8c\u6210\u6570\u636e\u4f20\u8f93\u540e\uff0c\u90fd\u9700\u8981\u5173\u95ed\u5957\u63a5\u5b57\u4ee5\u91ca\u653e\u8d44\u6e90\u3002<\/p>\n<\/p>\n<p><h4>1. \u5173\u95ed\u8fde\u63a5<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u8c03\u7528<code>close()<\/code>\u51fd\u6570\u5173\u95ed\u5957\u63a5\u5b57\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">client_socket.close()<\/p>\n<p>server_socket.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u6ce8\u610f\u4e8b\u9879<\/h4>\n<\/p>\n<p><p>\u5728\u5173\u95ed\u8fde\u63a5\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u5728\u670d\u52a1\u5668\u7aef\u901a\u5e38\u5e94\u9996\u5148\u5173\u95ed\u5ba2\u6237\u7aef\u7684\u5957\u63a5\u5b57\uff0c\u7136\u540e\u5173\u95ed\u670d\u52a1\u5668\u7684\u5957\u63a5\u5b57\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u5f02\u5e38\u5904\u7406\u4e0e\u8c03\u8bd5<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7f51\u7edc\u901a\u4fe1\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u5f02\u5e38\uff0c\u56e0\u6b64\u9700\u8981\u8fdb\u884c\u9002\u5f53\u7684\u5f02\u5e38\u5904\u7406\u3002<\/p>\n<\/p>\n<p><h4>1. \u5f02\u5e38\u5904\u7406<\/h4>\n<\/p>\n<p><p>\u53ef\u4ee5\u4f7f\u7528try-except\u5757\u6765\u6355\u83b7\u548c\u5904\u7406\u5f02\u5e38\u3002\u4f8b\u5982\uff0c\u6355\u83b7\u8fde\u63a5\u8d85\u65f6\u3001\u8fde\u63a5\u88ab\u62d2\u7edd\u7b49\u5f02\u5e38\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">try:<\/p>\n<p>    client_socket.connect((&#39;localhost&#39;, 8080))<\/p>\n<p>except socket.error as e:<\/p>\n<p>    print(f&quot;Socket error: {e}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u8c03\u8bd5\u6280\u5de7<\/h4>\n<\/p>\n<p><p>\u5728\u8c03\u8bd5\u7f51\u7edc\u5e94\u7528\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u901a\u4fe1\u6570\u636e\u548c\u72b6\u6001\u4fe1\u606f\uff0c\u4ee5\u5e2e\u52a9\u5206\u6790\u548c\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001TCP\u5e94\u7528\u573a\u666f\u4e0e\u4f18\u5316<\/h3>\n<\/p>\n<p><p>TCP\u534f\u8bae\u56e0\u5176\u53ef\u9760\u6027\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u7f51\u7edc\u5e94\u7528\u4e2d\u3002<\/p>\n<\/p>\n<p><h4>1. \u5e38\u89c1\u5e94\u7528\u573a\u666f<\/h4>\n<\/p>\n<p><p>TCP\u9002\u7528\u4e8e\u9700\u8981\u4fdd\u8bc1\u6570\u636e\u5b8c\u6574\u6027\u548c\u987a\u5e8f\u7684\u5e94\u7528\uff0c\u5982\u6587\u4ef6\u4f20\u8f93\u3001\u90ae\u4ef6\u670d\u52a1\u3001\u6570\u636e\u5e93\u540c\u6b65\u7b49\u3002<\/p>\n<\/p>\n<p><h4>2. \u4f18\u5316\u5efa\u8bae<\/h4>\n<\/p>\n<p><p>\u5728\u9ad8\u6d41\u91cf\u573a\u666f\u4e0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u5957\u63a5\u5b57\u9009\u9879\uff08\u5982SO_REUSEADDR\u3001TCP_NODELAY\uff09\u548c\u4f7f\u7528\u591a\u7ebf\u7a0b\u6216\u5f02\u6b65IO\u6765\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<\/p>\n<p><h3>\u516b\u3001Python\u9ad8\u7ea7TCP\u7f16\u7a0b<\/h3>\n<\/p>\n<p><p>\u9664\u4e86\u57fa\u672c\u7684TCP\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\uff0cPython\u8fd8\u652f\u6301\u66f4\u590d\u6742\u7684\u7f51\u7edc\u7f16\u7a0b\u3002<\/p>\n<\/p>\n<p><h4>1. \u591a\u7ebf\u7a0bTCP\u670d\u52a1\u5668<\/h4>\n<\/p>\n<p><p>\u901a\u8fc7\u591a\u7ebf\u7a0b\u6280\u672f\uff0c\u53ef\u4ee5\u8ba9\u670d\u52a1\u5668\u540c\u65f6\u5904\u7406\u591a\u4e2a\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c\u63d0\u9ad8\u5e76\u53d1\u6027\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import threading<\/p>\n<p>def handle_client(client_socket):<\/p>\n<p>    # \u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42<\/p>\n<p>    client_socket.close()<\/p>\n<p>while True:<\/p>\n<p>    client_socket, addr = server_socket.accept()<\/p>\n<p>    client_thread = threading.Thread(target=handle_client, args=(client_socket,))<\/p>\n<p>    client_thread.start()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u5f02\u6b65TCP\u7f16\u7a0b<\/h4>\n<\/p>\n<p><p>Python\u7684asyncio\u5e93\u652f\u6301\u5f02\u6b65IO\uff0c\u53ef\u4ee5\u7528\u4e8e\u6784\u5efa\u9ad8\u6548\u7684TCP\u7f51\u7edc\u5e94\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import asyncio<\/p>\n<p>async def handle_client(reader, writer):<\/p>\n<p>    data = aw<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>t reader.read(100)<\/p>\n<p>    writer.write(data)<\/p>\n<p>    await writer.drain()<\/p>\n<p>    writer.close()<\/p>\n<p>async def main():<\/p>\n<p>    server = await asyncio.start_server(handle_client, &#39;localhost&#39;, 8080)<\/p>\n<p>    async with server:<\/p>\n<p>        await server.serve_forever()<\/p>\n<p>asyncio.run(main())<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e5d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u4e86\u89e3\u4e86\u5982\u4f55\u4f7f\u7528Python\u6784\u5efaTCP\u8fde\u63a5\uff0c\u7406\u89e3\u4e86TCP\u534f\u8bae\u7684\u57fa\u672c\u7279\u6027\u548c\u5e94\u7528\u573a\u666f\u3002\u65e0\u8bba\u662f\u7b80\u5355\u7684\u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u901a\u4fe1\uff0c\u8fd8\u662f\u590d\u6742\u7684\u591a\u7ebf\u7a0b\u548c\u5f02\u6b65\u7f51\u7edc\u7f16\u7a0b\uff0cPython\u90fd\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5de5\u5177\u548c\u5e93\u6765\u5b9e\u73b0\u3002\u638c\u63e1\u8fd9\u4e9b\u6280\u672f\uff0c\u53ef\u4ee5\u4e3a\u5f00\u53d1\u9ad8\u6548\u3001\u53ef\u9760\u7684\u7f51\u7edc\u5e94\u7528\u5960\u5b9a\u575a\u5b9e\u7684\u57fa\u7840\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u6784\u5efaTCP\u670d\u52a1\u5668\uff1f<\/strong><br \/>\u8981\u6784\u5efa\u4e00\u4e2aTCP\u670d\u52a1\u5668\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528Python\u7684socket\u5e93\u3002\u9996\u5148\uff0c\u60a8\u9700\u8981\u521b\u5efa\u4e00\u4e2asocket\u5bf9\u8c61\uff0c\u7ed1\u5b9a\u5230\u4e00\u4e2aIP\u5730\u5740\u548c\u7aef\u53e3\uff0c\u7136\u540e\u5f00\u59cb\u76d1\u542c\u8fde\u63a5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">import socket\n\nserver_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\nserver_socket.bind((&#39;localhost&#39;, 12345))\nserver_socket.listen(5)\n\nwhile True:\n    client_socket, addr = server_socket.accept()\n    print(f&quot;Connection from {addr}&quot;)\n    client_socket.sendall(b&quot;Hello, TCP client!&quot;)\n    client_socket.close()\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u4ee3\u7801\u6bb5\u521b\u5efa\u4e86\u4e00\u4e2aTCP\u670d\u52a1\u5668\uff0c\u76d1\u542c\u6765\u81ealocalhost\u768412345\u7aef\u53e3\u7684\u8fde\u63a5\u3002<\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528Python\u6784\u5efaTCP\u5ba2\u6237\u7aef\uff1f<\/strong><br \/>\u6784\u5efaTCP\u5ba2\u6237\u7aef\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u60a8\u540c\u6837\u9700\u8981\u4f7f\u7528socket\u5e93\u3002\u5ba2\u6237\u7aef\u521b\u5efa\u4e00\u4e2asocket\u5bf9\u8c61\uff0c\u8fde\u63a5\u5230\u670d\u52a1\u5668\u7684IP\u5730\u5740\u548c\u7aef\u53e3\uff0c\u4e4b\u540e\u53ef\u4ee5\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">import socket\n\nclient_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\nclient_socket.connect((&#39;localhost&#39;, 12345))\ndata = client_socket.recv(1024)\nprint(f&quot;Received: {data.decode()}&quot;)\nclient_socket.close()\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u672c\u5730\u7684TCP\u670d\u52a1\u5668\uff0c\u5e76\u63a5\u6536\u6765\u81ea\u670d\u52a1\u5668\u7684\u6d88\u606f\u3002<\/p>\n<p><strong>\u5728\u6784\u5efaTCP\u8fde\u63a5\u65f6\uff0c\u5982\u4f55\u5904\u7406\u5f02\u5e38\u548c\u9519\u8bef\uff1f<\/strong><br \/>\u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d\uff0c\u5904\u7406\u5f02\u5e38\u548c\u9519\u8bef\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u4f7f\u7528try-except\u8bed\u53e5\u53ef\u4ee5\u6355\u6349\u53ef\u80fd\u53d1\u751f\u7684\u5f02\u5e38\uff0c\u4f8b\u5982\u8fde\u63a5\u9519\u8bef\u3001\u8d85\u65f6\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u6539\u8fdb\u8fc7\u7684\u670d\u52a1\u5668\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5904\u7406\u5f02\u5e38\uff1a  <\/p>\n<pre><code class=\"language-python\">import socket\n\ntry:\n    server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n    server_socket.bind((&#39;localhost&#39;, 12345))\n    server_socket.listen(5)\n    print(&quot;Server is listening...&quot;)\n    \n    while True:\n        try:\n            client_socket, addr = server_socket.accept()\n            print(f&quot;Connection from {addr}&quot;)\n            client_socket.sendall(b&quot;Hello, TCP client!&quot;)\n        except Exception as e:\n            print(f&quot;Error handling client: {e}&quot;)\n        finally:\n            client_socket.close()\nexcept Exception as e:\n    print(f&quot;Server error: {e}&quot;)\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u670d\u52a1\u5668\u80fd\u591f\u6355\u6349\u5230\u4e0e\u5ba2\u6237\u7aef\u8fde\u63a5\u76f8\u5173\u7684\u9519\u8bef\uff0c\u5e76\u5728\u53d1\u751f\u9519\u8bef\u65f6\u7ee7\u7eed\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5f00\u5934\u6bb5\u843d\uff1a Python\u6784\u5efaTCP\u8fde\u63a5\u7684\u6838\u5fc3\u5728\u4e8e\u4f7f\u7528socket\u5e93\u3001\u521b\u5efa\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u5957\u63a5\u5b57\u3001\u76d1\u542c\u548c\u63a5\u53d7\u8fde\u63a5\u8bf7 [&hellip;]","protected":false},"author":3,"featured_media":942075,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/942071"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=942071"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/942071\/revisions"}],"predecessor-version":[{"id":942078,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/942071\/revisions\/942078"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/942075"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=942071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=942071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=942071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}