[vc_row][vc_column][vc_column_text css=””]<\/p>\n
\u5728\u9999\u6e2f\u9ad8\u901f\u670d\u52a1\u5668\u57fa\u7840\u8bbe\u65bd\u4e2d\uff0cTCP\uff08\u4f20\u8f93\u63a7\u5236\u534f\u8bae\uff09\u548cUDP\uff08\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae\uff09<\/a>\u7684\u9009\u62e9\u4f1a\u663e\u8457\u5f71\u54cd\u670d\u52a1\u5668\u6027\u80fd\u3002\u8fd9\u4e9b\u57fa\u7840\u534f\u8bae\u4f5c\u4e3a\u73b0\u4ee3\u4e92\u8054\u7f51\u901a\u4fe1\u7684\u652f\u67f1\uff0c\u5404\u81ea\u5177\u6709\u72ec\u7279\u7684\u7279\u6027\uff0c\u4f7f\u5176\u9002\u7528\u4e8e\u670d\u52a1\u5668\u79df\u7528<\/a>\u548c\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\u4e2d\u7684\u4e0d\u540c\u5e94\u7528\u573a\u666f\u3002<\/p>\n TCP\u901a\u8fc7\u9762\u5411\u8fde\u63a5\u7684\u673a\u5236\u8fd0\u4f5c\uff0c\u5b9e\u73b0\u4e86\u4e00\u4e2a\u590d\u6742\u7684\u72b6\u6001\u673a\u6765\u7ba1\u7406\u6574\u4e2a\u901a\u4fe1\u751f\u547d\u5468\u671f\u3002\u8ba9\u6211\u4eec\u770b\u770bTCP\u5957\u63a5\u5b57\u7f16\u7a0b\u5728Python\u4e2d\u7684\u5b9e\u9645\u5b9e\u73b0\uff1a<\/p>\n TCP\u63e1\u624b\u8fc7\u7a0b\u5305\u542b\u786e\u4fdd\u53ef\u9760\u8fde\u63a5\u5efa\u7acb\u7684\u7cbe\u786e\u6b65\u9aa4\u5e8f\u5217\uff1a<\/p>\n 1. SYN\uff08\u5e8f\u5217\u53f7\uff09- \u5ba2\u6237\u7aef\u53d1\u8d77<\/p>\n 2. SYN-ACK\uff08\u5e8f\u5217\u53f7\uff0c\u786e\u8ba4\uff09- \u670d\u52a1\u5668\u54cd\u5e94<\/p>\n 3. ACK\uff08\u786e\u8ba4\uff09- \u5ba2\u6237\u7aef\u786e\u8ba4<\/p>\n \u4e0eTCP\u4e0d\u540c\uff0cUDP\u63d0\u4f9b\u65e0\u8fde\u63a5\u7684\u5373\u53d1\u5373\u5f03\u4f20\u8f93\u6a21\u5f0f\u3002\u8fd9\u79cd\u7cbe\u7b80\u65b9\u5f0f\u4f7f\u5176\u7279\u522b\u9002\u5408\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u5e94\u7528\u3002\u4ee5\u4e0b\u662fUDP\u670d\u52a1\u5668\u7684\u5b9e\u9645\u5b9e\u73b0\uff1a<\/p>\n \u5728\u9999\u6e2f\u6570\u636e\u4e2d\u5fc3\u90e8\u7f72\u670d\u52a1\u5668\u65f6\uff0c\u7406\u89e3\u534f\u8bae\u6027\u80fd\u7279\u5f81\u81f3\u5173\u91cd\u8981\uff1a<\/p>\nTCP\u534f\u8bae\uff1a\u53ef\u9760\u7684\u4e3b\u529b<\/strong><\/h2>\n
\r\nimport socket\r\n\r\ndef create_tcp_server():\r\n server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\r\n server_socket.bind(('localhost', 8888))\r\n server_socket.listen(5)\r\n \r\n while True:\r\n client_socket, address = server_socket.accept()\r\n print(f\"Connection from {address} established\")\r\n \r\n data = client_socket.recv(1024)\r\n client_socket.send(data) # Echo server\r\n client_socket.close()\r\n\r\nif __name__ == '__main__':\r\n create_tcp_server()\r\n<\/code><\/pre>\nTCP\u4e09\u6b21\u63e1\u624b\uff1a\u6280\u672f\u6df1\u5ea6\u89e3\u6790<\/strong><\/h2>\n
UDP\u534f\u8bae\uff1a\u8f7b\u91cf\u7ea7\u9ad8\u901f\u9009\u624b<\/strong><\/h2>\n
\r\nimport socket\r\n\r\ndef create_udp_server():\r\n server_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)\r\n server_socket.bind(('localhost', 9999))\r\n \r\n while True:\r\n data, client_address = server_socket.recvfrom(1024)\r\n print(f\"Received datagram from {client_address}\")\r\n server_socket.sendto(data, client_address)\r\n\r\nif __name__ == '__main__':\r\n create_udp_server()\r\n<\/code><\/pre>\n\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u7684\u534f\u8bae\u6027\u80fd\u6307\u6807<\/strong><\/h2>\n