{"id":149,"date":"2021-07-03T11:50:06","date_gmt":"2021-07-03T03:50:06","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/python\/?p=149"},"modified":"2021-07-04T13:11:10","modified_gmt":"2021-07-04T05:11:10","slug":"python%e7%9a%84udp%e8%81%8a%e5%a4%a9%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/python\/post-149.html","title":{"rendered":"python\u7684udp\u804a\u5929\u5668"},"content":{"rendered":"\n<p>\u57fa\u4e8epython\u7684udp\u804a\u5929\u5668\u6848\u4f8b<\/p>\n\n\n\n<h2>\u4ee3\u7801\u5b9e\u73b0<\/h2>\n\n\n\n<p>\u529f\u80fd\u5206\u6790, \u53d1\u9001\u6d88\u606f, \u63a5\u6536\u6d88\u606f, \u9000\u51fa<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import socket\n\n\ndef send_msg(udp_socket, dest_ip, dest_port):\n    \"\"\"\u53d1\u9001\u6d88\u606f\"\"\"\n    # \u83b7\u53d6\u53d1\u9001\u6d88\u606f\n    send_data = input(\"\u8bf7\u8f93\u5165\u8981\u53d1\u9001\u7684\u6d88\u606f: \")\n    udp_socket.sendto(send_data.encode(\"utf-8\"), (dest_ip, dest_port))\n\n\ndef rec_msg(udp_socket):\n    \"\"\"\u63a5\u6536\u6570\u636e\"\"\"\n    rec_data = udp_socket.recvfrom(1024)\n    print(str(rec_data&#91;1]) + rec_data&#91;0].decode(\"utf-8\"))\n\n\ndef main():\n    # \u521b\u5efa\u5957\u63a5\u5b57\n    udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)\n\n    # \u7ed1\u5b9a\u4fe1\u606f\n    udp_socket.bind((\"\", 8888))\n\n    send_init = False  # \u53d1\u9001\u6570\u636e\u524d\u7ed1\u5b9aip, \u7aef\u53e3\n\n    # \u7a0b\u5e8f\u63a7\u5236\n    while True:\n\n        op = input(\"\u8bf7\u8f93\u5165\u64cd\u4f5c\u7801: 1:\u53d1\u9001\u6d88\u606f, 2:\u63a5\u6536\u6d88\u606f, 0\u9000\u51fa\\n\")\n        if op == \"1\":\n            if not send_init:\n                print(\"\u6b63\u5728\u521d\u59cb\u5316\u53d1\u9001\u4fe1\u606f...\")\n                dest_ip = input(\"\u8bf7\u8f93\u5165\u5bf9\u65b9ip: \")\n                dest_port = int(input(\"\u8bf7\u8f93\u5165\u5bf9\u65b9\u7aef\u53e3: \"))\n                send_init = True\n            send_msg(udp_socket, dest_ip, dest_port)\n        elif op == \"2\":\n            rec_msg(udp_socket)\n        elif op == \"0\":\n            break\n        else:\n            print(\"\u8f93\u5165\u9519\u8bef, \u8bf7\u91cd\u65b0\u8f93\u5165...\")\n\n\nif __name__ == '__main__':\n    main()\n\n    <\/code><\/pre>\n\n\n\n<p>\u590d\u52362\u4efd\u4e0a\u8ff0\u4ee3\u7801, \u4e24\u4efd\u4ee3\u7801\u7ed9\u4e88\u4e0d\u540c\u7684\u7aef\u53e3, \u59828888, 9999, \u8fd0\u884c\u8fd9\u4e24\u4e2a\u7a0b\u5e8f, \u5373\u53ef\u5b9e\u73b0\u7b80\u5355\u7684udp\u804a\u5929<\/p>\n\n\n\n<p>\u6ce8: \u516c\u7f51\u65e0\u6cd5\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef, \u56e0\u4e3a\u5ba2\u6237\u7aef\u901a\u4fe1\u662f\u9760\u8fd0\u8425\u5546\u4ee3\u7406\u670d\u52a1\u5668\u5206\u914d\u7684\u4e34\u65f6\u7aef\u53e3, \u53ef\u80fd10\u79d2\u65e0\u8fde\u63a5\u5c31\u5173\u95ed\u4e86, \u518d\u6b21\u53d1\u9001\u5c31\u4f1a\u66f4\u6362, \u5ba2\u6237\u7aef\u65e0\u6cd5\u7ed1\u5b9a\u7aef\u53e3( \u800c\u4e14\u4f3c\u4e4e\u6536\u4e0d\u5230\u6570\u636e, \u53ea\u80fd\u53d1),  \u5c31\u7406\u8bba\u4e0a\u6765\u8bf4, udp\u901a\u4fe1\u5fc5\u987b\u77e5\u9053\u5ba2\u6237\u7aefip\u548c\u7aef\u53e3, \u800c\u50cfqq\u8fd9\u6837\u7684\u7528\u7eafudp\u5f88\u96be\u5b9e\u73b0, \u9700\u8981tcp\u8f85\u52a9<\/p>\n\n\n\n<p>( \u5982\u679c\u4ee3\u7406\u7684\u4e34\u65f6ip, \u7aef\u53e3\u53ef\u4ee5\u63a5\u6536udp\u6570\u636e\u5e76\u9001\u56de\u5ba2\u6237\u7aef, \u662f\u53ef\u4ee5\u5b9e\u73b0\u7684,  \u6bcf\u969410\u79d2\u53d1\u4e00\u6761\u6570\u636e\u5230\u670d\u52a1\u5668, \u4ee5\u4e0d\u65ad\u66f4\u65b0\u4e34\u65f6\u7aef\u53e3, \u4f46\u8fd9\u6837\u4e5f\u592a\u8fc7\u9ebb\u70e6\u4e86, \u6709\u4e00\u79cd\u53ef\u884c\u4f46\u4e0d\u901a\u7528\u7684\u529e\u6cd5\u662f&#8221;\u7aef\u53e3\u6620\u5c04&#8221;, \u4ecd\u65e0\u6cd5\u4ece\u6839\u672c\u4e0a\u89e3\u51b3\u95ee\u9898)<\/p>\n\n\n\n<p><strong>udp\u7279\u70b9\u8bb2\u89e3<\/strong><\/p>\n\n\n\n<p>udp\u662f\u4e00\u79cd\u7ecf\u5178\u7684\u90ae\u4ef6\u6a21\u578b,  \u5177\u6709\u4ee5\u4e0b\u7279\u70b9<\/p>\n\n\n\n<ul><li>\u5982\u679c8888\u7aef\u53e3\u53d1\u9001\u7ed99999, \u5bf9\u65b9\u672a\u5f00\u542f\u6b64\u7aef\u53e3, \u5219\u6570\u636e\u88ab\u64cd\u4f5c\u7cfb\u7edf\u4e22\u5f03<\/li><li>\u5982\u679c8888\u7aef\u53e3\u53d1\u9001\u7ed99999, \u5bf9\u65b9\u5f00\u542f\u4e86\u6b64\u7aef\u53e3, \u5219\u6570\u636e\u88ab\u64cd\u4f5c\u7cfb\u7edf\u7f13\u5b58, \u5f539999\u7a0b\u5e8f\u63a5\u6536\u65f6, \u4ece\u64cd\u4f5c\u7cfb\u7edf\u7f13\u51b2\u533a\u53d6\u8d70<\/li><\/ul>\n\n\n\n<p>\u53ef\u4ee5\u53d1\u73b0, \u6570\u636e\u53ef\u80fd\u4f1a\u4e22\u5931, \u800c\u4e14\u53ef\u80fd\u906d\u53d7\u653b\u51fb<\/p>\n\n\n\n<p><strong>ps:<\/strong> \u5982\u679c\u4f60\u5f00\u542f\u4e86\u67d0\u4e2a\u7aef\u53e3( \u542f\u7528\u4e86udp\u534f\u8bae ), \u82e5\u6709\u4eba\u6076\u610f\u53d1\u9001\u5927\u91cf\u6570\u636e\u7ed9\u6b64\u7aef\u53e3, \u800c\u7a0b\u5e8f\u6ca1\u6709\u53ca\u65f6\u63a5\u6536\u5b8c(\u9700\u5faa\u73af\u63a5\u6536)\uff0c\u4ee5\u64cd\u4f5c\u7cfb\u7edf\u6765\u4e4b\u4e0d\u62d2\u7684\u7279\u70b9, \u5f88\u5feb\u7cfb\u7edf\u7f13\u51b2\u533a\u5c31\u4f1a\u7206\u6ee1(\u5185\u5b58), \u7136\u540e\u673a\u5668\u4f1a\u5f88\u5361, \u6b63\u5e38\u7684\u6d88\u606f\u4e5f\u65e0\u6cd5\u63a5\u6536\u5230\u4e86\u3002\u5728\u670d\u52a1\u5668\u7ef4\u62a4\u4e2d, \u5bf9\u4e8e\u4e0d\u4f7f\u7528\u7684\u7aef\u53e3, \u6700\u597d\u662f\u5173\u95ed<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u4e8epython\u7684udp\u804a\u5929\u5668\u6848\u4f8b \u4ee3\u7801\u5b9e\u73b0 \u529f\u80fd\u5206\u6790, \u53d1\u9001\u6d88\u606f, \u63a5\u6536\u6d88\u606f, \u9000\u51fa \u590d\u52362\u4efd\u4e0a\u8ff0\u4ee3\u7801, \u4e24&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/python\/post-149.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">python\u7684udp\u804a\u5929\u5668<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[15],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts\/149"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/comments?post=149"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts\/149\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/media?parent=149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/categories?post=149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/tags?post=149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}