{"id":146,"date":"2021-07-02T18:42:09","date_gmt":"2021-07-02T10:42:09","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/python\/?p=146"},"modified":"2021-07-02T19:56:58","modified_gmt":"2021-07-02T11:56:58","slug":"python%e7%9a%84udp%e5%8f%91%e9%80%81%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/python\/post-146.html","title":{"rendered":"python\u7684udp\u53d1\u9001\u6570\u636e"},"content":{"rendered":"\n<p>python\u7684udp\u4f7f\u7528socket\u53d1\u9001\u6570\u636e<\/p>\n\n\n\n<h2>udp\u53d1\u9001\u6570\u636e\u5b9e\u4f8b<\/h2>\n\n\n\n<p>\u7f16\u5199\u4ee3\u7801\u5982\u4e0b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import socket\n\n#\u521b\u5efaudp\u7684\u5957\u63a5\u5b57\nudp_socket = socket.socket(socket.AF_INET, SOCK_DGRAM)\n\n#\u5957\u63a5\u5b57\u529f\u80fd\n# sendto\u51fd\u6570\u53c2\u6570:  \u6570\u636e, (ip, \u7aef\u53e3)\nudp_socket.sendto(b\"hello, udp\", (\"192.168.7.2\", 8080))\n\n\n#\u5173\u95ed\u5957\u63a5\u5b57\ns.close() <\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u6b64\u4ee3\u7801, \u5373\u53ef\u53d1\u9001\u6570\u636e<\/p>\n\n\n\n<p><strong>\u91cd\u8981\u8bf4\u660e<\/strong><\/p>\n\n\n\n<ul><li>\u53d1\u9001\u7684\u6570\u636e, \u5e94\u8be5\u662f\u5b57\u8282\u7c7b\u578b, \u800c\u4e0d\u80fd\u662f\u5b57\u7b26\u4e32<\/li><li>\u786e\u4fdd\u53d1\u9001\u5230\u7684ip\u662f\u53ef\u5230\u8fbe\u7684, \u53ef\u4ee5\u5148\u4f7f\u7528ping ip\u6d4b\u8bd5<\/li><li>\u76ee\u6807\u4e3b\u673a\u9700\u8981\u76d1\u542c\u8be5\u7aef\u53e3, \u624d\u53ef\u4ee5\u83b7\u53d6\u5f53\u524d\u53d1\u9001\u7684\u6570\u636e<\/li><\/ul>\n\n\n\n<p>\u5176\u4ed6\u63d0\u793a, <\/p>\n\n\n\n<ul><li>b&#8221;\u5b57\u7b26\u4e32&#8221;, \u8868\u793a\u628a\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u8282<\/li><li>&#8220;\u5b57\u7b26\u4e32&#8221;.encode(&#8220;utf-8&#8221;)\u53ef\u4ee5\u628a\u5b57\u7b26\u4e32\u7f16\u7801\u4e3autf-8\u53ef\u4ee5\u53d1\u9001\u4e2d\u6587<\/li><li>\u540c\u4e00\u4e2a\u7f51\u7edc\u53f7\u4e0b\u7684\u4e3b\u673a, \u9ed8\u8ba4\u5728\u4e00\u4e2a\u5c40\u57df\u7f51\u5185<\/li><\/ul>\n\n\n\n<p><strong>ps:<\/strong>  \u53d1\u9001\u6570\u636e\u65f6, \u53ef\u4ee5\u4f7f\u7528socked.bind()\u51fd\u6570\u6307\u5b9a\u7aef\u53e3, \u5982\u679c\u4e0d\u6307\u5b9a\u5219\u9ed8\u8ba4\u7531\u7cfb\u7edf\u968f\u673a\u5206\u914d, \u53ef\u53c2\u8003\u4e0b\u4e00\u5c0f\u8282\u6570\u636e\u63a5\u6536, \u6570\u636e\u63a5\u6536\u65f6\u5fc5\u987b\u5148\u7ed1\u5b9a\u63a5\u53e3<\/p>\n","protected":false},"excerpt":{"rendered":"<p>python\u7684udp\u4f7f\u7528socket\u53d1\u9001\u6570\u636e udp\u53d1\u9001\u6570\u636e\u5b9e\u4f8b \u7f16\u5199\u4ee3\u7801\u5982\u4e0b \u8fd0\u884c\u6b64\u4ee3\u7801, \u5373\u53ef\u53d1\u9001\u6570\u636e \u91cd&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/python\/post-146.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">python\u7684udp\u53d1\u9001\u6570\u636e<\/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\/146"}],"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=146"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts\/146\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/media?parent=146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/categories?post=146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/tags?post=146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}