{"id":18620,"date":"2025-04-19T01:03:14","date_gmt":"2025-04-18T17:03:14","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/18620.html"},"modified":"2025-04-19T01:03:14","modified_gmt":"2025-04-18T17:03:14","slug":"%e5%9f%ba%e4%ba%8ec%e8%af%ad%e8%a8%80%e5%ae%9e%e7%8e%b0%e7%9a%84udp%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/18620.html","title":{"rendered":"\u57fa\u4e8eC\u8bed\u8a00\u5b9e\u73b0\u7684UDP\u670d\u52a1\u5668"},"content":{"rendered":"<p>&nbsp;&nbsp;&nbsp;<\/p>\n<p id=\"main-toc\">\u76ee\u5f55<\/p>\n<p id=\"%E4%B8%80%E3%80%81UDP%E5%8D%8F%E8%AE%AE%E7%AE%80%E4%BB%8B-toc\" style=\"margin-left:40px\">\u4e00\u3001UDP\u534f\u8bae\u7b80\u4ecb<\/p>\n<p id=\"%E4%BA%8C%E3%80%81%E5%9F%BA%E4%BA%8EC%E8%AF%AD%E8%A8%80%E5%AE%9E%E7%8E%B0UDP%E6%9C%8D%E5%8A%A1%E5%99%A8-toc\" style=\"margin-left:40px\">\u4e8c\u3001\u57fa\u4e8eC\u8bed\u8a00\u5b9e\u73b0UDP\u670d\u52a1\u5668<\/p>\n<p 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id=\"hr-toc\">\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;UDP\uff08User Datagram Protocol\uff0c\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae\uff09\u662f\u4e00\u79cd\u65e0\u8fde\u63a5\u7684\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u9002\u7528\u4e8e\u5bf9\u5b9e\u65f6\u6027\u6709\u8f83\u9ad8\u8981\u6c42\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u89c6\u9891\u6d41\u4f20\u8f93\u3001\u8bed\u97f3\u901a\u4fe1\u3001\u5728\u7ebf\u6e38\u620f\u7b49\u3002\u4e0eTCP\u4e0d\u540c\uff0cUDP\u4e0d\u4fdd\u8bc1\u6570\u636e\u7684\u53ef\u9760\u6027\u548c\u987a\u5e8f\u6027\uff0c\u4f46\u5176\u4f20\u8f93\u901f\u5ea6\u8f83\u5feb\u3002<\/p>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684UDP\u670d\u52a1\u5668\u7a0b\u5e8f\uff0c\u4ee5\u53ca\u5982\u4f55\u63a5\u6536\u548c\u5904\u7406\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6570\u636e\u3002<\/p>\n<h3 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id=\"%E4%BA%8C%E3%80%81%E5%9F%BA%E4%BA%8EC%E8%AF%AD%E8%A8%80%E5%AE%9E%E7%8E%B0UDP%E6%9C%8D%E5%8A%A1%E5%99%A8\">\u4e8c\u3001\u57fa\u4e8eC\u8bed\u8a00\u5b9e\u73b0UDP\u670d\u52a1\u5668<\/h3>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u4e0b\u9762\u5c06\u6f14\u793a\u5982\u4f55\u4f7f\u7528C\u8bed\u8a00\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684UDP\u670d\u52a1\u5668\uff0c\u6b65\u9aa4\u5305\u62ec\u521b\u5efa\u5957\u63a5\u5b57\u3001\u7ed1\u5b9a\u5730\u5740\u3001\u63a5\u6536\u6570\u636e\u548c\u53d1\u9001\u54cd\u5e94\u3002<\/p>\n<h4 id=\"1.%20%E6%89%80%E9%9C%80%E7%9A%84%E5%A4%B4%E6%96%87%E4%BB%B6\">1. \u6240\u9700\u7684\u5934\u6587\u4ef6<\/h4>\n<p>\u5728C\u8bed\u8a00\u4e2d\u5b9e\u73b0\u7f51\u7edc\u7f16\u7a0b\uff0c\u901a\u5e38\u9700\u8981\u5f15\u5165\u4ee5\u4e0b\u5934\u6587\u4ef6\uff1a<\/p>\n<p>#include &lt;stdio.h&gt;<br \/>\n#include &lt;stdlib.h&gt;<br \/>\n#include &lt;string.h&gt;<br \/>\n#include &lt;arpa\/inet.h&gt;<br \/>\n#include &lt;sys\/socket.h&gt;<br \/>\n#include 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